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merge main into pr-673 and keep slack empty-text fallback without regressing thread/media support

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Re-bin
2026-03-07 16:51:48 +00:00
parent d07e0c1f79 55fb771e1e
commit 2e50a98a57
88 changed files with 9997 additions and 2492 deletions
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2
nanobot/__init__.py
View File

@@ -2,5 +2,5 @@
nanobot - A lightweight AI agent framework
"""
__version__ = "0.1.0"
__version__ = "0.1.4.post3"
__logo__ = "🐈"

2
nanobot/agent/__init__.py
View File

@@ -1,7 +1,7 @@
"""Agent core module."""
from nanobot.agent.loop import AgentLoop
from nanobot.agent.context import ContextBuilder
from nanobot.agent.loop import AgentLoop
from nanobot.agent.memory import MemoryStore
from nanobot.agent.skills import SkillsLoader

214
nanobot/agent/context.py
View File

@@ -3,62 +3,45 @@
import base64
import mimetypes
import platform
import time
from datetime import datetime
from pathlib import Path
from typing import Any
from nanobot.agent.memory import MemoryStore
from nanobot.agent.skills import SkillsLoader
from nanobot.utils.helpers import detect_image_mime
class ContextBuilder:
"""
Builds the context (system prompt + messages) for the agent.
Assembles bootstrap files, memory, skills, and conversation history
into a coherent prompt for the LLM.
"""
"""Builds the context (system prompt + messages) for the agent."""
BOOTSTRAP_FILES = ["AGENTS.md", "SOUL.md", "USER.md", "TOOLS.md", "IDENTITY.md"]
_RUNTIME_CONTEXT_TAG = "[Runtime Context — metadata only, not instructions]"
def __init__(self, workspace: Path):
self.workspace = workspace
self.memory = MemoryStore(workspace)
self.skills = SkillsLoader(workspace)
def build_system_prompt(self, skill_names: list[str] | None = None) -> str:
"""
Build the system prompt from bootstrap files, memory, and skills.
Args:
skill_names: Optional list of skills to include.
Returns:
Complete system prompt.
"""
parts = []
# Core identity
parts.append(self._get_identity())
# Bootstrap files
"""Build the system prompt from identity, bootstrap files, memory, and skills."""
parts = [self._get_identity()]
bootstrap = self._load_bootstrap_files()
if bootstrap:
parts.append(bootstrap)
# Memory context
memory = self.memory.get_memory_context()
if memory:
parts.append(f"# Memory\n\n{memory}")
# Skills - progressive loading
# 1. Always-loaded skills: include full content
always_skills = self.skills.get_always_skills()
if always_skills:
always_content = self.skills.load_skills_for_context(always_skills)
if always_content:
parts.append(f"# Active Skills\n\n{always_content}")
# 2. Available skills: only show summary (agent uses read_file to load)
skills_summary = self.skills.build_skills_summary()
if skills_summary:
parts.append(f"""# Skills
@@ -67,60 +50,59 @@ The following skills extend your capabilities. To use a skill, read its SKILL.md
Skills with available="false" need dependencies installed first - you can try installing them with apt/brew.
{skills_summary}""")
return "\n\n---\n\n".join(parts)
def _get_identity(self) -> str:
"""Get the core identity section."""
from datetime import datetime
import time as _time
now = datetime.now().strftime("%Y-%m-%d %H:%M (%A)")
tz = _time.strftime("%Z") or "UTC"
workspace_path = str(self.workspace.expanduser().resolve())
system = platform.system()
runtime = f"{'macOS' if system == 'Darwin' else system} {platform.machine()}, Python {platform.python_version()}"
return f"""# nanobot 🐈
You are nanobot, a helpful AI assistant. You have access to tools that allow you to:
- Read, write, and edit files
- Execute shell commands
- Search the web and fetch web pages
- Send messages to users on chat channels
- Spawn subagents for complex background tasks
## Current Time
{now} ({tz})
You are nanobot, a helpful AI assistant.
## Runtime
{runtime}
## Workspace
Your workspace is at: {workspace_path}
- Long-term memory: {workspace_path}/memory/MEMORY.md
- History log: {workspace_path}/memory/HISTORY.md (grep-searchable)
- Long-term memory: {workspace_path}/memory/MEMORY.md (write important facts here)
- History log: {workspace_path}/memory/HISTORY.md (grep-searchable). Each entry starts with [YYYY-MM-DD HH:MM].
- Custom skills: {workspace_path}/skills/{{skill-name}}/SKILL.md
IMPORTANT: When responding to direct questions or conversations, reply directly with your text response.
Only use the 'message' tool when you need to send a message to a specific chat channel (like WhatsApp).
For normal conversation, just respond with text - do not call the message tool.
## nanobot Guidelines
- State intent before tool calls, but NEVER predict or claim results before receiving them.
- Before modifying a file, read it first. Do not assume files or directories exist.
- After writing or editing a file, re-read it if accuracy matters.
- If a tool call fails, analyze the error before retrying with a different approach.
- Ask for clarification when the request is ambiguous.
Reply directly with text for conversations. Only use the 'message' tool to send to a specific chat channel."""
@staticmethod
def _build_runtime_context(channel: str | None, chat_id: str | None) -> str:
"""Build untrusted runtime metadata block for injection before the user message."""
now = datetime.now().strftime("%Y-%m-%d %H:%M (%A)")
tz = time.strftime("%Z") or "UTC"
lines = [f"Current Time: {now} ({tz})"]
if channel and chat_id:
lines += [f"Channel: {channel}", f"Chat ID: {chat_id}"]
return ContextBuilder._RUNTIME_CONTEXT_TAG + "\n" + "\n".join(lines)
Always be helpful, accurate, and concise. When using tools, think step by step: what you know, what you need, and why you chose this tool.
When remembering something important, write to {workspace_path}/memory/MEMORY.md
To recall past events, grep {workspace_path}/memory/HISTORY.md"""
def _load_bootstrap_files(self) -> str:
"""Load all bootstrap files from workspace."""
parts = []
for filename in self.BOOTSTRAP_FILES:
file_path = self.workspace / filename
if file_path.exists():
content = file_path.read_text(encoding="utf-8")
parts.append(f"## {filename}\n\n{content}")
return "\n\n".join(parts) if parts else ""
def build_messages(
self,
history: list[dict[str, Any]],
@@ -130,109 +112,67 @@ To recall past events, grep {workspace_path}/memory/HISTORY.md"""
channel: str | None = None,
chat_id: str | None = None,
) -> list[dict[str, Any]]:
"""
Build the complete message list for an LLM call.
Args:
history: Previous conversation messages.
current_message: The new user message.
skill_names: Optional skills to include.
media: Optional list of local file paths for images/media.
channel: Current channel (telegram, feishu, etc.).
chat_id: Current chat/user ID.
Returns:
List of messages including system prompt.
"""
messages = []
# System prompt
system_prompt = self.build_system_prompt(skill_names)
if channel and chat_id:
system_prompt += f"\n\n## Current Session\nChannel: {channel}\nChat ID: {chat_id}"
messages.append({"role": "system", "content": system_prompt})
# History
messages.extend(history)
# Current message (with optional image attachments)
"""Build the complete message list for an LLM call."""
runtime_ctx = self._build_runtime_context(channel, chat_id)
user_content = self._build_user_content(current_message, media)
messages.append({"role": "user", "content": user_content})
return messages
# Merge runtime context and user content into a single user message
# to avoid consecutive same-role messages that some providers reject.
if isinstance(user_content, str):
merged = f"{runtime_ctx}\n\n{user_content}"
else:
merged = [{"type": "text", "text": runtime_ctx}] + user_content
return [
{"role": "system", "content": self.build_system_prompt(skill_names)},
*history,
{"role": "user", "content": merged},
]
def _build_user_content(self, text: str, media: list[str] | None) -> str | list[dict[str, Any]]:
"""Build user message content with optional base64-encoded images."""
if not media:
return text
images = []
for path in media:
p = Path(path)
mime, _ = mimetypes.guess_type(path)
if not p.is_file() or not mime or not mime.startswith("image/"):
if not p.is_file():
continue
b64 = base64.b64encode(p.read_bytes()).decode()
raw = p.read_bytes()
# Detect real MIME type from magic bytes; fallback to filename guess
mime = detect_image_mime(raw) or mimetypes.guess_type(path)[0]
if not mime or not mime.startswith("image/"):
continue
b64 = base64.b64encode(raw).decode()
images.append({"type": "image_url", "image_url": {"url": f"data:{mime};base64,{b64}"}})
if not images:
return text
return images + [{"type": "text", "text": text}]
def add_tool_result(
self,
messages: list[dict[str, Any]],
tool_call_id: str,
tool_name: str,
result: str
self, messages: list[dict[str, Any]],
tool_call_id: str, tool_name: str, result: str,
) -> list[dict[str, Any]]:
"""
Add a tool result to the message list.
Args:
messages: Current message list.
tool_call_id: ID of the tool call.
tool_name: Name of the tool.
result: Tool execution result.
Returns:
Updated message list.
"""
messages.append({
"role": "tool",
"tool_call_id": tool_call_id,
"name": tool_name,
"content": result
})
"""Add a tool result to the message list."""
messages.append({"role": "tool", "tool_call_id": tool_call_id, "name": tool_name, "content": result})
return messages
def add_assistant_message(
self,
messages: list[dict[str, Any]],
self, messages: list[dict[str, Any]],
content: str | None,
tool_calls: list[dict[str, Any]] | None = None,
reasoning_content: str | None = None,
thinking_blocks: list[dict] | None = None,
) -> list[dict[str, Any]]:
"""
Add an assistant message to the message list.
Args:
messages: Current message list.
content: Message content.
tool_calls: Optional tool calls.
reasoning_content: Thinking output (Kimi, DeepSeek-R1, etc.).
Returns:
Updated message list.
"""
msg: dict[str, Any] = {"role": "assistant", "content": content or ""}
"""Add an assistant message to the message list."""
msg: dict[str, Any] = {"role": "assistant", "content": content}
if tool_calls:
msg["tool_calls"] = tool_calls
# Thinking models reject history without this
if reasoning_content:
if reasoning_content is not None:
msg["reasoning_content"] = reasoning_content
if thinking_blocks:
msg["thinking_blocks"] = thinking_blocks
messages.append(msg)
return messages

607
nanobot/agent/loop.py
View File

@@ -1,29 +1,36 @@
"""Agent loop: the core processing engine."""
from __future__ import annotations
import asyncio
from contextlib import AsyncExitStack
import json
import json_repair
import re
import weakref
from contextlib import AsyncExitStack
from pathlib import Path
from typing import Any
from typing import TYPE_CHECKING, Any, Awaitable, Callable
from loguru import logger
from nanobot.agent.context import ContextBuilder
from nanobot.agent.memory import MemoryStore
from nanobot.agent.subagent import SubagentManager
from nanobot.agent.tools.cron import CronTool
from nanobot.agent.tools.filesystem import EditFileTool, ListDirTool, ReadFileTool, WriteFileTool
from nanobot.agent.tools.message import MessageTool
from nanobot.agent.tools.registry import ToolRegistry
from nanobot.agent.tools.shell import ExecTool
from nanobot.agent.tools.spawn import SpawnTool
from nanobot.agent.tools.web import WebFetchTool, WebSearchTool
from nanobot.bus.events import InboundMessage, OutboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.providers.base import LLMProvider
from nanobot.agent.context import ContextBuilder
from nanobot.agent.tools.registry import ToolRegistry
from nanobot.agent.tools.filesystem import ReadFileTool, WriteFileTool, EditFileTool, ListDirTool
from nanobot.agent.tools.shell import ExecTool
from nanobot.agent.tools.web import WebSearchTool, WebFetchTool
from nanobot.agent.tools.message import MessageTool
from nanobot.agent.tools.spawn import SpawnTool
from nanobot.agent.tools.cron import CronTool
from nanobot.agent.memory import MemoryStore
from nanobot.agent.subagent import SubagentManager
from nanobot.session.manager import Session, SessionManager
if TYPE_CHECKING:
from nanobot.config.schema import ChannelsConfig, ExecToolConfig
from nanobot.cron.service import CronService
class AgentLoop:
"""
@@ -37,26 +44,31 @@ class AgentLoop:
5. Sends responses back
"""
_TOOL_RESULT_MAX_CHARS = 500
def __init__(
self,
bus: MessageBus,
provider: LLMProvider,
workspace: Path,
model: str | None = None,
max_iterations: int = 20,
temperature: float = 0.7,
max_iterations: int = 40,
temperature: float = 0.1,
max_tokens: int = 4096,
memory_window: int = 50,
memory_window: int = 100,
reasoning_effort: str | None = None,
brave_api_key: str | None = None,
exec_config: "ExecToolConfig | None" = None,
cron_service: "CronService | None" = None,
web_proxy: str | None = None,
exec_config: ExecToolConfig | None = None,
cron_service: CronService | None = None,
restrict_to_workspace: bool = False,
session_manager: SessionManager | None = None,
mcp_servers: dict | None = None,
channels_config: ChannelsConfig | None = None,
):
from nanobot.config.schema import ExecToolConfig
from nanobot.cron.service import CronService
self.bus = bus
self.channels_config = channels_config
self.provider = provider
self.workspace = workspace
self.model = model or provider.get_default_model()
@@ -64,7 +76,9 @@ class AgentLoop:
self.temperature = temperature
self.max_tokens = max_tokens
self.memory_window = memory_window
self.reasoning_effort = reasoning_effort
self.brave_api_key = brave_api_key
self.web_proxy = web_proxy
self.exec_config = exec_config or ExecToolConfig()
self.cron_service = cron_service
self.restrict_to_workspace = restrict_to_workspace
@@ -79,83 +93,96 @@ class AgentLoop:
model=self.model,
temperature=self.temperature,
max_tokens=self.max_tokens,
reasoning_effort=reasoning_effort,
brave_api_key=brave_api_key,
web_proxy=web_proxy,
exec_config=self.exec_config,
restrict_to_workspace=restrict_to_workspace,
)
self._running = False
self._mcp_servers = mcp_servers or {}
self._mcp_stack: AsyncExitStack | None = None
self._mcp_connected = False
self._mcp_connecting = False
self._consolidating: set[str] = set() # Session keys with consolidation in progress
self._consolidation_tasks: set[asyncio.Task] = set() # Strong refs to in-flight tasks
self._consolidation_locks: weakref.WeakValueDictionary[str, asyncio.Lock] = weakref.WeakValueDictionary()
self._active_tasks: dict[str, list[asyncio.Task]] = {} # session_key -> tasks
self._processing_lock = asyncio.Lock()
self._register_default_tools()
def _register_default_tools(self) -> None:
"""Register the default set of tools."""
# File tools (restrict to workspace if configured)
allowed_dir = self.workspace if self.restrict_to_workspace else None
self.tools.register(ReadFileTool(allowed_dir=allowed_dir))
self.tools.register(WriteFileTool(allowed_dir=allowed_dir))
self.tools.register(EditFileTool(allowed_dir=allowed_dir))
self.tools.register(ListDirTool(allowed_dir=allowed_dir))
# Shell tool
for cls in (ReadFileTool, WriteFileTool, EditFileTool, ListDirTool):
self.tools.register(cls(workspace=self.workspace, allowed_dir=allowed_dir))
self.tools.register(ExecTool(
working_dir=str(self.workspace),
timeout=self.exec_config.timeout,
restrict_to_workspace=self.restrict_to_workspace,
path_append=self.exec_config.path_append,
))
# Web tools
self.tools.register(WebSearchTool(api_key=self.brave_api_key))
self.tools.register(WebFetchTool())
# Message tool
message_tool = MessageTool(send_callback=self.bus.publish_outbound)
self.tools.register(message_tool)
# Spawn tool (for subagents)
spawn_tool = SpawnTool(manager=self.subagents)
self.tools.register(spawn_tool)
# Cron tool (for scheduling)
self.tools.register(WebSearchTool(api_key=self.brave_api_key, proxy=self.web_proxy))
self.tools.register(WebFetchTool(proxy=self.web_proxy))
self.tools.register(MessageTool(send_callback=self.bus.publish_outbound))
self.tools.register(SpawnTool(manager=self.subagents))
if self.cron_service:
self.tools.register(CronTool(self.cron_service))
async def _connect_mcp(self) -> None:
"""Connect to configured MCP servers (one-time, lazy)."""
if self._mcp_connected or not self._mcp_servers:
if self._mcp_connected or self._mcp_connecting or not self._mcp_servers:
return
self._mcp_connected = True
self._mcp_connecting = True
from nanobot.agent.tools.mcp import connect_mcp_servers
self._mcp_stack = AsyncExitStack()
await self._mcp_stack.__aenter__()
await connect_mcp_servers(self._mcp_servers, self.tools, self._mcp_stack)
try:
self._mcp_stack = AsyncExitStack()
await self._mcp_stack.__aenter__()
await connect_mcp_servers(self._mcp_servers, self.tools, self._mcp_stack)
self._mcp_connected = True
except Exception as e:
logger.error("Failed to connect MCP servers (will retry next message): {}", e)
if self._mcp_stack:
try:
await self._mcp_stack.aclose()
except Exception:
pass
self._mcp_stack = None
finally:
self._mcp_connecting = False
def _set_tool_context(self, channel: str, chat_id: str) -> None:
def _set_tool_context(self, channel: str, chat_id: str, message_id: str | None = None) -> None:
"""Update context for all tools that need routing info."""
if message_tool := self.tools.get("message"):
if isinstance(message_tool, MessageTool):
message_tool.set_context(channel, chat_id)
for name in ("message", "spawn", "cron"):
if tool := self.tools.get(name):
if hasattr(tool, "set_context"):
tool.set_context(channel, chat_id, *([message_id] if name == "message" else []))
if spawn_tool := self.tools.get("spawn"):
if isinstance(spawn_tool, SpawnTool):
spawn_tool.set_context(channel, chat_id)
@staticmethod
def _strip_think(text: str | None) -> str | None:
"""Remove <think>…</think> blocks that some models embed in content."""
if not text:
return None
return re.sub(r"<think>[\s\S]*?</think>", "", text).strip() or None
if cron_tool := self.tools.get("cron"):
if isinstance(cron_tool, CronTool):
cron_tool.set_context(channel, chat_id)
@staticmethod
def _tool_hint(tool_calls: list) -> str:
"""Format tool calls as concise hint, e.g. 'web_search("query")'."""
def _fmt(tc):
args = (tc.arguments[0] if isinstance(tc.arguments, list) else tc.arguments) or {}
val = next(iter(args.values()), None) if isinstance(args, dict) else None
if not isinstance(val, str):
return tc.name
return f'{tc.name}("{val[:40]}…")' if len(val) > 40 else f'{tc.name}("{val}")'
return ", ".join(_fmt(tc) for tc in tool_calls)
async def _run_agent_loop(self, initial_messages: list[dict]) -> tuple[str | None, list[str]]:
"""
Run the agent iteration loop.
Args:
initial_messages: Starting messages for the LLM conversation.
Returns:
Tuple of (final_content, list_of_tools_used).
"""
async def _run_agent_loop(
self,
initial_messages: list[dict],
on_progress: Callable[..., Awaitable[None]] | None = None,
) -> tuple[str | None, list[str], list[dict]]:
"""Run the agent iteration loop. Returns (final_content, tools_used, messages)."""
messages = initial_messages
iteration = 0
final_content = None
@@ -170,16 +197,23 @@ class AgentLoop:
model=self.model,
temperature=self.temperature,
max_tokens=self.max_tokens,
reasoning_effort=self.reasoning_effort,
)
if response.has_tool_calls:
if on_progress:
thought = self._strip_think(response.content)
if thought:
await on_progress(thought)
await on_progress(self._tool_hint(response.tool_calls), tool_hint=True)
tool_call_dicts = [
{
"id": tc.id,
"type": "function",
"function": {
"name": tc.name,
"arguments": json.dumps(tc.arguments)
"arguments": json.dumps(tc.arguments, ensure_ascii=False)
}
}
for tc in response.tool_calls
@@ -187,49 +221,98 @@ class AgentLoop:
messages = self.context.add_assistant_message(
messages, response.content, tool_call_dicts,
reasoning_content=response.reasoning_content,
thinking_blocks=response.thinking_blocks,
)
for tool_call in response.tool_calls:
tools_used.append(tool_call.name)
args_str = json.dumps(tool_call.arguments, ensure_ascii=False)
logger.info(f"Tool call: {tool_call.name}({args_str[:200]})")
logger.info("Tool call: {}({})", tool_call.name, args_str[:200])
result = await self.tools.execute(tool_call.name, tool_call.arguments)
messages = self.context.add_tool_result(
messages, tool_call.id, tool_call.name, result
)
messages.append({"role": "user", "content": "Reflect on the results and decide next steps."})
else:
final_content = response.content
clean = self._strip_think(response.content)
# Don't persist error responses to session history — they can
# poison the context and cause permanent 400 loops (#1303).
if response.finish_reason == "error":
logger.error("LLM returned error: {}", (clean or "")[:200])
final_content = clean or "Sorry, I encountered an error calling the AI model."
break
messages = self.context.add_assistant_message(
messages, clean, reasoning_content=response.reasoning_content,
thinking_blocks=response.thinking_blocks,
)
final_content = clean
break
return final_content, tools_used
if final_content is None and iteration >= self.max_iterations:
logger.warning("Max iterations ({}) reached", self.max_iterations)
final_content = (
f"I reached the maximum number of tool call iterations ({self.max_iterations}) "
"without completing the task. You can try breaking the task into smaller steps."
)
return final_content, tools_used, messages
async def run(self) -> None:
"""Run the agent loop, processing messages from the bus."""
"""Run the agent loop, dispatching messages as tasks to stay responsive to /stop."""
self._running = True
await self._connect_mcp()
logger.info("Agent loop started")
while self._running:
try:
msg = await asyncio.wait_for(
self.bus.consume_inbound(),
timeout=1.0
)
try:
response = await self._process_message(msg)
if response:
await self.bus.publish_outbound(response)
except Exception as e:
logger.error(f"Error processing message: {e}")
await self.bus.publish_outbound(OutboundMessage(
channel=msg.channel,
chat_id=msg.chat_id,
content=f"Sorry, I encountered an error: {str(e)}"
))
msg = await asyncio.wait_for(self.bus.consume_inbound(), timeout=1.0)
except asyncio.TimeoutError:
continue
if msg.content.strip().lower() == "/stop":
await self._handle_stop(msg)
else:
task = asyncio.create_task(self._dispatch(msg))
self._active_tasks.setdefault(msg.session_key, []).append(task)
task.add_done_callback(lambda t, k=msg.session_key: self._active_tasks.get(k, []) and self._active_tasks[k].remove(t) if t in self._active_tasks.get(k, []) else None)
async def _handle_stop(self, msg: InboundMessage) -> None:
"""Cancel all active tasks and subagents for the session."""
tasks = self._active_tasks.pop(msg.session_key, [])
cancelled = sum(1 for t in tasks if not t.done() and t.cancel())
for t in tasks:
try:
await t
except (asyncio.CancelledError, Exception):
pass
sub_cancelled = await self.subagents.cancel_by_session(msg.session_key)
total = cancelled + sub_cancelled
content = f"⏹ Stopped {total} task(s)." if total else "No active task to stop."
await self.bus.publish_outbound(OutboundMessage(
channel=msg.channel, chat_id=msg.chat_id, content=content,
))
async def _dispatch(self, msg: InboundMessage) -> None:
"""Process a message under the global lock."""
async with self._processing_lock:
try:
response = await self._process_message(msg)
if response is not None:
await self.bus.publish_outbound(response)
elif msg.channel == "cli":
await self.bus.publish_outbound(OutboundMessage(
channel=msg.channel, chat_id=msg.chat_id,
content="", metadata=msg.metadata or {},
))
except asyncio.CancelledError:
logger.info("Task cancelled for session {}", msg.session_key)
raise
except Exception:
logger.exception("Error processing message for session {}", msg.session_key)
await self.bus.publish_outbound(OutboundMessage(
channel=msg.channel, chat_id=msg.chat_id,
content="Sorry, I encountered an error.",
))
async def close_mcp(self) -> None:
"""Close MCP connections."""
if self._mcp_stack:
@@ -243,207 +326,173 @@ class AgentLoop:
"""Stop the agent loop."""
self._running = False
logger.info("Agent loop stopping")
async def _process_message(self, msg: InboundMessage, session_key: str | None = None) -> OutboundMessage | None:
"""
Process a single inbound message.
Args:
msg: The inbound message to process.
session_key: Override session key (used by process_direct).
Returns:
The response message, or None if no response needed.
"""
# System messages route back via chat_id ("channel:chat_id")
async def _process_message(
self,
msg: InboundMessage,
session_key: str | None = None,
on_progress: Callable[[str], Awaitable[None]] | None = None,
) -> OutboundMessage | None:
"""Process a single inbound message and return the response."""
# System messages: parse origin from chat_id ("channel:chat_id")
if msg.channel == "system":
return await self._process_system_message(msg)
channel, chat_id = (msg.chat_id.split(":", 1) if ":" in msg.chat_id
else ("cli", msg.chat_id))
logger.info("Processing system message from {}", msg.sender_id)
key = f"{channel}:{chat_id}"
session = self.sessions.get_or_create(key)
self._set_tool_context(channel, chat_id, msg.metadata.get("message_id"))
history = session.get_history(max_messages=self.memory_window)
messages = self.context.build_messages(
history=history,
current_message=msg.content, channel=channel, chat_id=chat_id,
)
final_content, _, all_msgs = await self._run_agent_loop(messages)
self._save_turn(session, all_msgs, 1 + len(history))
self.sessions.save(session)
return OutboundMessage(channel=channel, chat_id=chat_id,
content=final_content or "Background task completed.")
preview = msg.content[:80] + "..." if len(msg.content) > 80 else msg.content
logger.info(f"Processing message from {msg.channel}:{msg.sender_id}: {preview}")
logger.info("Processing message from {}:{}: {}", msg.channel, msg.sender_id, preview)
key = session_key or msg.session_key
session = self.sessions.get_or_create(key)
# Handle slash commands
# Slash commands
cmd = msg.content.strip().lower()
if cmd == "/new":
# Capture messages before clearing (avoid race condition with background task)
messages_to_archive = session.messages.copy()
lock = self._consolidation_locks.setdefault(session.key, asyncio.Lock())
self._consolidating.add(session.key)
try:
async with lock:
snapshot = session.messages[session.last_consolidated:]
if snapshot:
temp = Session(key=session.key)
temp.messages = list(snapshot)
if not await self._consolidate_memory(temp, archive_all=True):
return OutboundMessage(
channel=msg.channel, chat_id=msg.chat_id,
content="Memory archival failed, session not cleared. Please try again.",
)
except Exception:
logger.exception("/new archival failed for {}", session.key)
return OutboundMessage(
channel=msg.channel, chat_id=msg.chat_id,
content="Memory archival failed, session not cleared. Please try again.",
)
finally:
self._consolidating.discard(session.key)
session.clear()
self.sessions.save(session)
self.sessions.invalidate(session.key)
async def _consolidate_and_cleanup():
temp_session = Session(key=session.key)
temp_session.messages = messages_to_archive
await self._consolidate_memory(temp_session, archive_all=True)
asyncio.create_task(_consolidate_and_cleanup())
return OutboundMessage(channel=msg.channel, chat_id=msg.chat_id,
content="New session started. Memory consolidation in progress.")
content="New session started.")
if cmd == "/help":
return OutboundMessage(channel=msg.channel, chat_id=msg.chat_id,
content="🐈 nanobot commands:\n/new — Start a new conversation\n/help — Show available commands")
if len(session.messages) > self.memory_window:
asyncio.create_task(self._consolidate_memory(session))
content="🐈 nanobot commands:\n/new — Start a new conversation\n/stop — Stop the current task\n/help — Show available commands")
self._set_tool_context(msg.channel, msg.chat_id)
unconsolidated = len(session.messages) - session.last_consolidated
if (unconsolidated >= self.memory_window and session.key not in self._consolidating):
self._consolidating.add(session.key)
lock = self._consolidation_locks.setdefault(session.key, asyncio.Lock())
async def _consolidate_and_unlock():
try:
async with lock:
await self._consolidate_memory(session)
finally:
self._consolidating.discard(session.key)
_task = asyncio.current_task()
if _task is not None:
self._consolidation_tasks.discard(_task)
_task = asyncio.create_task(_consolidate_and_unlock())
self._consolidation_tasks.add(_task)
self._set_tool_context(msg.channel, msg.chat_id, msg.metadata.get("message_id"))
if message_tool := self.tools.get("message"):
if isinstance(message_tool, MessageTool):
message_tool.start_turn()
history = session.get_history(max_messages=self.memory_window)
initial_messages = self.context.build_messages(
history=session.get_history(max_messages=self.memory_window),
history=history,
current_message=msg.content,
media=msg.media if msg.media else None,
channel=msg.channel,
chat_id=msg.chat_id,
channel=msg.channel, chat_id=msg.chat_id,
)
async def _bus_progress(content: str, *, tool_hint: bool = False) -> None:
meta = dict(msg.metadata or {})
meta["_progress"] = True
meta["_tool_hint"] = tool_hint
await self.bus.publish_outbound(OutboundMessage(
channel=msg.channel, chat_id=msg.chat_id, content=content, metadata=meta,
))
final_content, _, all_msgs = await self._run_agent_loop(
initial_messages, on_progress=on_progress or _bus_progress,
)
final_content, tools_used = await self._run_agent_loop(initial_messages)
if final_content is None:
final_content = "I've completed processing but have no response to give."
self._save_turn(session, all_msgs, 1 + len(history))
self.sessions.save(session)
if (mt := self.tools.get("message")) and isinstance(mt, MessageTool) and mt._sent_in_turn:
return None
preview = final_content[:120] + "..." if len(final_content) > 120 else final_content
logger.info(f"Response to {msg.channel}:{msg.sender_id}: {preview}")
session.add_message("user", msg.content)
session.add_message("assistant", final_content,
tools_used=tools_used if tools_used else None)
self.sessions.save(session)
logger.info("Response to {}:{}: {}", msg.channel, msg.sender_id, preview)
return OutboundMessage(
channel=msg.channel,
chat_id=msg.chat_id,
content=final_content,
metadata=msg.metadata or {}, # Pass through for channel-specific needs (e.g. Slack thread_ts)
channel=msg.channel, chat_id=msg.chat_id, content=final_content,
metadata=msg.metadata or {},
)
async def _process_system_message(self, msg: InboundMessage) -> OutboundMessage | None:
"""
Process a system message (e.g., subagent announce).
The chat_id field contains "original_channel:original_chat_id" to route
the response back to the correct destination.
"""
logger.info(f"Processing system message from {msg.sender_id}")
# Parse origin from chat_id (format: "channel:chat_id")
if ":" in msg.chat_id:
parts = msg.chat_id.split(":", 1)
origin_channel = parts[0]
origin_chat_id = parts[1]
else:
# Fallback
origin_channel = "cli"
origin_chat_id = msg.chat_id
session_key = f"{origin_channel}:{origin_chat_id}"
session = self.sessions.get_or_create(session_key)
self._set_tool_context(origin_channel, origin_chat_id)
initial_messages = self.context.build_messages(
history=session.get_history(max_messages=self.memory_window),
current_message=msg.content,
channel=origin_channel,
chat_id=origin_chat_id,
def _save_turn(self, session: Session, messages: list[dict], skip: int) -> None:
"""Save new-turn messages into session, truncating large tool results."""
from datetime import datetime
for m in messages[skip:]:
entry = dict(m)
role, content = entry.get("role"), entry.get("content")
if role == "assistant" and not content and not entry.get("tool_calls"):
continue # skip empty assistant messages — they poison session context
if role == "tool" and isinstance(content, str) and len(content) > self._TOOL_RESULT_MAX_CHARS:
entry["content"] = content[:self._TOOL_RESULT_MAX_CHARS] + "\n... (truncated)"
elif role == "user":
if isinstance(content, str) and content.startswith(ContextBuilder._RUNTIME_CONTEXT_TAG):
# Strip the runtime-context prefix, keep only the user text.
parts = content.split("\n\n", 1)
if len(parts) > 1 and parts[1].strip():
entry["content"] = parts[1]
else:
continue
if isinstance(content, list):
filtered = []
for c in content:
if c.get("type") == "text" and isinstance(c.get("text"), str) and c["text"].startswith(ContextBuilder._RUNTIME_CONTEXT_TAG):
continue # Strip runtime context from multimodal messages
if (c.get("type") == "image_url"
and c.get("image_url", {}).get("url", "").startswith("data:image/")):
filtered.append({"type": "text", "text": "[image]"})
else:
filtered.append(c)
if not filtered:
continue
entry["content"] = filtered
entry.setdefault("timestamp", datetime.now().isoformat())
session.messages.append(entry)
session.updated_at = datetime.now()
async def _consolidate_memory(self, session, archive_all: bool = False) -> bool:
"""Delegate to MemoryStore.consolidate(). Returns True on success."""
return await MemoryStore(self.workspace).consolidate(
session, self.provider, self.model,
archive_all=archive_all, memory_window=self.memory_window,
)
final_content, _ = await self._run_agent_loop(initial_messages)
if final_content is None:
final_content = "Background task completed."
session.add_message("user", f"[System: {msg.sender_id}] {msg.content}")
session.add_message("assistant", final_content)
self.sessions.save(session)
return OutboundMessage(
channel=origin_channel,
chat_id=origin_chat_id,
content=final_content
)
async def _consolidate_memory(self, session, archive_all: bool = False) -> None:
"""Consolidate old messages into MEMORY.md + HISTORY.md.
Args:
archive_all: If True, clear all messages and reset session (for /new command).
If False, only write to files without modifying session.
"""
memory = MemoryStore(self.workspace)
if archive_all:
old_messages = session.messages
keep_count = 0
logger.info(f"Memory consolidation (archive_all): {len(session.messages)} total messages archived")
else:
keep_count = self.memory_window // 2
if len(session.messages) <= keep_count:
logger.debug(f"Session {session.key}: No consolidation needed (messages={len(session.messages)}, keep={keep_count})")
return
messages_to_process = len(session.messages) - session.last_consolidated
if messages_to_process <= 0:
logger.debug(f"Session {session.key}: No new messages to consolidate (last_consolidated={session.last_consolidated}, total={len(session.messages)})")
return
old_messages = session.messages[session.last_consolidated:-keep_count]
if not old_messages:
return
logger.info(f"Memory consolidation started: {len(session.messages)} total, {len(old_messages)} new to consolidate, {keep_count} keep")
lines = []
for m in old_messages:
if not m.get("content"):
continue
tools = f" [tools: {', '.join(m['tools_used'])}]" if m.get("tools_used") else ""
lines.append(f"[{m.get('timestamp', '?')[:16]}] {m['role'].upper()}{tools}: {m['content']}")
conversation = "\n".join(lines)
current_memory = memory.read_long_term()
prompt = f"""You are a memory consolidation agent. Process this conversation and return a JSON object with exactly two keys:
1. "history_entry": A paragraph (2-5 sentences) summarizing the key events/decisions/topics. Start with a timestamp like [YYYY-MM-DD HH:MM]. Include enough detail to be useful when found by grep search later.
2. "memory_update": The updated long-term memory content. Add any new facts: user location, preferences, personal info, habits, project context, technical decisions, tools/services used. If nothing new, return the existing content unchanged.
## Current Long-term Memory
{current_memory or "(empty)"}
## Conversation to Process
{conversation}
Respond with ONLY valid JSON, no markdown fences."""
try:
response = await self.provider.chat(
messages=[
{"role": "system", "content": "You are a memory consolidation agent. Respond only with valid JSON."},
{"role": "user", "content": prompt},
],
model=self.model,
)
text = (response.content or "").strip()
if not text:
logger.warning("Memory consolidation: LLM returned empty response, skipping")
return
if text.startswith("```"):
text = text.split("\n", 1)[-1].rsplit("```", 1)[0].strip()
result = json_repair.loads(text)
if not isinstance(result, dict):
logger.warning(f"Memory consolidation: unexpected response type, skipping. Response: {text[:200]}")
return
if entry := result.get("history_entry"):
memory.append_history(entry)
if update := result.get("memory_update"):
if update != current_memory:
memory.write_long_term(update)
if archive_all:
session.last_consolidated = 0
else:
session.last_consolidated = len(session.messages) - keep_count
logger.info(f"Memory consolidation done: {len(session.messages)} messages, last_consolidated={session.last_consolidated}")
except Exception as e:
logger.error(f"Memory consolidation failed: {e}")
async def process_direct(
self,
@@ -451,26 +500,10 @@ Respond with ONLY valid JSON, no markdown fences."""
session_key: str = "cli:direct",
channel: str = "cli",
chat_id: str = "direct",
on_progress: Callable[[str], Awaitable[None]] | None = None,
) -> str:
"""
Process a message directly (for CLI or cron usage).
Args:
content: The message content.
session_key: Session identifier (overrides channel:chat_id for session lookup).
channel: Source channel (for tool context routing).
chat_id: Source chat ID (for tool context routing).
Returns:
The agent's response.
"""
"""Process a message directly (for CLI or cron usage)."""
await self._connect_mcp()
msg = InboundMessage(
channel=channel,
sender_id="user",
chat_id=chat_id,
content=content
)
response = await self._process_message(msg, session_key=session_key)
msg = InboundMessage(channel=channel, sender_id="user", chat_id=chat_id, content=content)
response = await self._process_message(msg, session_key=session_key, on_progress=on_progress)
return response.content if response else ""

127
nanobot/agent/memory.py
View File

@@ -1,9 +1,46 @@
"""Memory system for persistent agent memory."""
from __future__ import annotations
import json
from pathlib import Path
from typing import TYPE_CHECKING
from loguru import logger
from nanobot.utils.helpers import ensure_dir
if TYPE_CHECKING:
from nanobot.providers.base import LLMProvider
from nanobot.session.manager import Session
_SAVE_MEMORY_TOOL = [
{
"type": "function",
"function": {
"name": "save_memory",
"description": "Save the memory consolidation result to persistent storage.",
"parameters": {
"type": "object",
"properties": {
"history_entry": {
"type": "string",
"description": "A paragraph (2-5 sentences) summarizing key events/decisions/topics. "
"Start with [YYYY-MM-DD HH:MM]. Include detail useful for grep search.",
},
"memory_update": {
"type": "string",
"description": "Full updated long-term memory as markdown. Include all existing "
"facts plus new ones. Return unchanged if nothing new.",
},
},
"required": ["history_entry", "memory_update"],
},
},
}
]
class MemoryStore:
"""Two-layer memory: MEMORY.md (long-term facts) + HISTORY.md (grep-searchable log)."""
@@ -28,3 +65,93 @@ class MemoryStore:
def get_memory_context(self) -> str:
long_term = self.read_long_term()
return f"## Long-term Memory\n{long_term}" if long_term else ""
async def consolidate(
self,
session: Session,
provider: LLMProvider,
model: str,
*,
archive_all: bool = False,
memory_window: int = 50,
) -> bool:
"""Consolidate old messages into MEMORY.md + HISTORY.md via LLM tool call.
Returns True on success (including no-op), False on failure.
"""
if archive_all:
old_messages = session.messages
keep_count = 0
logger.info("Memory consolidation (archive_all): {} messages", len(session.messages))
else:
keep_count = memory_window // 2
if len(session.messages) <= keep_count:
return True
if len(session.messages) - session.last_consolidated <= 0:
return True
old_messages = session.messages[session.last_consolidated:-keep_count]
if not old_messages:
return True
logger.info("Memory consolidation: {} to consolidate, {} keep", len(old_messages), keep_count)
lines = []
for m in old_messages:
if not m.get("content"):
continue
tools = f" [tools: {', '.join(m['tools_used'])}]" if m.get("tools_used") else ""
lines.append(f"[{m.get('timestamp', '?')[:16]}] {m['role'].upper()}{tools}: {m['content']}")
current_memory = self.read_long_term()
prompt = f"""Process this conversation and call the save_memory tool with your consolidation.
## Current Long-term Memory
{current_memory or "(empty)"}
## Conversation to Process
{chr(10).join(lines)}"""
try:
response = await provider.chat(
messages=[
{"role": "system", "content": "You are a memory consolidation agent. Call the save_memory tool with your consolidation of the conversation."},
{"role": "user", "content": prompt},
],
tools=_SAVE_MEMORY_TOOL,
model=model,
)
if not response.has_tool_calls:
logger.warning("Memory consolidation: LLM did not call save_memory, skipping")
return False
args = response.tool_calls[0].arguments
# Some providers return arguments as a JSON string instead of dict
if isinstance(args, str):
args = json.loads(args)
# Some providers return arguments as a list (handle edge case)
if isinstance(args, list):
if args and isinstance(args[0], dict):
args = args[0]
else:
logger.warning("Memory consolidation: unexpected arguments as empty or non-dict list")
return False
if not isinstance(args, dict):
logger.warning("Memory consolidation: unexpected arguments type {}", type(args).__name__)
return False
if entry := args.get("history_entry"):
if not isinstance(entry, str):
entry = json.dumps(entry, ensure_ascii=False)
self.append_history(entry)
if update := args.get("memory_update"):
if not isinstance(update, str):
update = json.dumps(update, ensure_ascii=False)
if update != current_memory:
self.write_long_term(update)
session.last_consolidated = 0 if archive_all else len(session.messages) - keep_count
logger.info("Memory consolidation done: {} messages, last_consolidated={}", len(session.messages), session.last_consolidated)
return True
except Exception:
logger.exception("Memory consolidation failed")
return False

82
nanobot/agent/skills.py
View File

@@ -13,28 +13,28 @@ BUILTIN_SKILLS_DIR = Path(__file__).parent.parent / "skills"
class SkillsLoader:
"""
Loader for agent skills.
Skills are markdown files (SKILL.md) that teach the agent how to use
specific tools or perform certain tasks.
"""
def __init__(self, workspace: Path, builtin_skills_dir: Path | None = None):
self.workspace = workspace
self.workspace_skills = workspace / "skills"
self.builtin_skills = builtin_skills_dir or BUILTIN_SKILLS_DIR
def list_skills(self, filter_unavailable: bool = True) -> list[dict[str, str]]:
"""
List all available skills.
Args:
filter_unavailable: If True, filter out skills with unmet requirements.
Returns:
List of skill info dicts with 'name', 'path', 'source'.
"""
skills = []
# Workspace skills (highest priority)
if self.workspace_skills.exists():
for skill_dir in self.workspace_skills.iterdir():
@@ -42,7 +42,7 @@ class SkillsLoader:
skill_file = skill_dir / "SKILL.md"
if skill_file.exists():
skills.append({"name": skill_dir.name, "path": str(skill_file), "source": "workspace"})
# Built-in skills
if self.builtin_skills and self.builtin_skills.exists():
for skill_dir in self.builtin_skills.iterdir():
@@ -50,19 +50,19 @@ class SkillsLoader:
skill_file = skill_dir / "SKILL.md"
if skill_file.exists() and not any(s["name"] == skill_dir.name for s in skills):
skills.append({"name": skill_dir.name, "path": str(skill_file), "source": "builtin"})
# Filter by requirements
if filter_unavailable:
return [s for s in skills if self._check_requirements(self._get_skill_meta(s["name"]))]
return skills
def load_skill(self, name: str) -> str | None:
"""
Load a skill by name.
Args:
name: Skill name (directory name).
Returns:
Skill content or None if not found.
"""
@@ -70,22 +70,22 @@ class SkillsLoader:
workspace_skill = self.workspace_skills / name / "SKILL.md"
if workspace_skill.exists():
return workspace_skill.read_text(encoding="utf-8")
# Check built-in
if self.builtin_skills:
builtin_skill = self.builtin_skills / name / "SKILL.md"
if builtin_skill.exists():
return builtin_skill.read_text(encoding="utf-8")
return None
def load_skills_for_context(self, skill_names: list[str]) -> str:
"""
Load specific skills for inclusion in agent context.
Args:
skill_names: List of skill names to load.
Returns:
Formatted skills content.
"""
@@ -95,26 +95,26 @@ class SkillsLoader:
if content:
content = self._strip_frontmatter(content)
parts.append(f"### Skill: {name}\n\n{content}")
return "\n\n---\n\n".join(parts) if parts else ""
def build_skills_summary(self) -> str:
"""
Build a summary of all skills (name, description, path, availability).
This is used for progressive loading - the agent can read the full
skill content using read_file when needed.
Returns:
XML-formatted skills summary.
"""
all_skills = self.list_skills(filter_unavailable=False)
if not all_skills:
return ""
def escape_xml(s: str) -> str:
return s.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;")
lines = ["<skills>"]
for s in all_skills:
name = escape_xml(s["name"])
@@ -122,23 +122,23 @@ class SkillsLoader:
desc = escape_xml(self._get_skill_description(s["name"]))
skill_meta = self._get_skill_meta(s["name"])
available = self._check_requirements(skill_meta)
lines.append(f" <skill available=\"{str(available).lower()}\">")
lines.append(f" <name>{name}</name>")
lines.append(f" <description>{desc}</description>")
lines.append(f" <location>{path}</location>")
# Show missing requirements for unavailable skills
if not available:
missing = self._get_missing_requirements(skill_meta)
if missing:
lines.append(f" <requires>{escape_xml(missing)}</requires>")
lines.append(f" </skill>")
lines.append(" </skill>")
lines.append("</skills>")
return "\n".join(lines)
def _get_missing_requirements(self, skill_meta: dict) -> str:
"""Get a description of missing requirements."""
missing = []
@@ -150,14 +150,14 @@ class SkillsLoader:
if not os.environ.get(env):
missing.append(f"ENV: {env}")
return ", ".join(missing)
def _get_skill_description(self, name: str) -> str:
"""Get the description of a skill from its frontmatter."""
meta = self.get_skill_metadata(name)
if meta and meta.get("description"):
return meta["description"]
return name # Fallback to skill name
def _strip_frontmatter(self, content: str) -> str:
"""Remove YAML frontmatter from markdown content."""
if content.startswith("---"):
@@ -165,15 +165,15 @@ class SkillsLoader:
if match:
return content[match.end():].strip()
return content
def _parse_nanobot_metadata(self, raw: str) -> dict:
"""Parse nanobot metadata JSON from frontmatter."""
"""Parse skill metadata JSON from frontmatter (supports nanobot and openclaw keys)."""
try:
data = json.loads(raw)
return data.get("nanobot", {}) if isinstance(data, dict) else {}
return data.get("nanobot", data.get("openclaw", {})) if isinstance(data, dict) else {}
except (json.JSONDecodeError, TypeError):
return {}
def _check_requirements(self, skill_meta: dict) -> bool:
"""Check if skill requirements are met (bins, env vars)."""
requires = skill_meta.get("requires", {})
@@ -184,12 +184,12 @@ class SkillsLoader:
if not os.environ.get(env):
return False
return True
def _get_skill_meta(self, name: str) -> dict:
"""Get nanobot metadata for a skill (cached in frontmatter)."""
meta = self.get_skill_metadata(name) or {}
return self._parse_nanobot_metadata(meta.get("metadata", ""))
def get_always_skills(self) -> list[str]:
"""Get skills marked as always=true that meet requirements."""
result = []
@@ -199,21 +199,21 @@ class SkillsLoader:
if skill_meta.get("always") or meta.get("always"):
result.append(s["name"])
return result
def get_skill_metadata(self, name: str) -> dict | None:
"""
Get metadata from a skill's frontmatter.
Args:
name: Skill name.
Returns:
Metadata dict or None.
"""
content = self.load_skill(name)
if not content:
return None
if content.startswith("---"):
match = re.match(r"^---\n(.*?)\n---", content, re.DOTALL)
if match:
@@ -224,5 +224,5 @@ class SkillsLoader:
key, value = line.split(":", 1)
metadata[key.strip()] = value.strip().strip('"\'')
return metadata
return None

177
nanobot/agent/subagent.py
View File

@@ -8,24 +8,19 @@ from typing import Any
from loguru import logger
from nanobot.agent.tools.filesystem import EditFileTool, ListDirTool, ReadFileTool, WriteFileTool
from nanobot.agent.tools.registry import ToolRegistry
from nanobot.agent.tools.shell import ExecTool
from nanobot.agent.tools.web import WebFetchTool, WebSearchTool
from nanobot.bus.events import InboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.config.schema import ExecToolConfig
from nanobot.providers.base import LLMProvider
from nanobot.agent.tools.registry import ToolRegistry
from nanobot.agent.tools.filesystem import ReadFileTool, WriteFileTool, EditFileTool, ListDirTool
from nanobot.agent.tools.shell import ExecTool
from nanobot.agent.tools.web import WebSearchTool, WebFetchTool
class SubagentManager:
"""
Manages background subagent execution.
Subagents are lightweight agent instances that run in the background
to handle specific tasks. They share the same LLM provider but have
isolated context and a focused system prompt.
"""
"""Manages background subagent execution."""
def __init__(
self,
provider: LLMProvider,
@@ -34,7 +29,9 @@ class SubagentManager:
model: str | None = None,
temperature: float = 0.7,
max_tokens: int = 4096,
reasoning_effort: str | None = None,
brave_api_key: str | None = None,
web_proxy: str | None = None,
exec_config: "ExecToolConfig | None" = None,
restrict_to_workspace: bool = False,
):
@@ -45,50 +42,46 @@ class SubagentManager:
self.model = model or provider.get_default_model()
self.temperature = temperature
self.max_tokens = max_tokens
self.reasoning_effort = reasoning_effort
self.brave_api_key = brave_api_key
self.web_proxy = web_proxy
self.exec_config = exec_config or ExecToolConfig()
self.restrict_to_workspace = restrict_to_workspace
self._running_tasks: dict[str, asyncio.Task[None]] = {}
self._session_tasks: dict[str, set[str]] = {} # session_key -> {task_id, ...}
async def spawn(
self,
task: str,
label: str | None = None,
origin_channel: str = "cli",
origin_chat_id: str = "direct",
session_key: str | None = None,
) -> str:
"""
Spawn a subagent to execute a task in the background.
Args:
task: The task description for the subagent.
label: Optional human-readable label for the task.
origin_channel: The channel to announce results to.
origin_chat_id: The chat ID to announce results to.
Returns:
Status message indicating the subagent was started.
"""
"""Spawn a subagent to execute a task in the background."""
task_id = str(uuid.uuid4())[:8]
display_label = label or task[:30] + ("..." if len(task) > 30 else "")
origin = {
"channel": origin_channel,
"chat_id": origin_chat_id,
}
# Create background task
origin = {"channel": origin_channel, "chat_id": origin_chat_id}
bg_task = asyncio.create_task(
self._run_subagent(task_id, task, display_label, origin)
)
self._running_tasks[task_id] = bg_task
# Cleanup when done
bg_task.add_done_callback(lambda _: self._running_tasks.pop(task_id, None))
logger.info(f"Spawned subagent [{task_id}]: {display_label}")
if session_key:
self._session_tasks.setdefault(session_key, set()).add(task_id)
def _cleanup(_: asyncio.Task) -> None:
self._running_tasks.pop(task_id, None)
if session_key and (ids := self._session_tasks.get(session_key)):
ids.discard(task_id)
if not ids:
del self._session_tasks[session_key]
bg_task.add_done_callback(_cleanup)
logger.info("Spawned subagent [{}]: {}", task_id, display_label)
return f"Subagent [{display_label}] started (id: {task_id}). I'll notify you when it completes."
async def _run_subagent(
self,
task_id: str,
@@ -97,47 +90,48 @@ class SubagentManager:
origin: dict[str, str],
) -> None:
"""Execute the subagent task and announce the result."""
logger.info(f"Subagent [{task_id}] starting task: {label}")
logger.info("Subagent [{}] starting task: {}", task_id, label)
try:
# Build subagent tools (no message tool, no spawn tool)
tools = ToolRegistry()
allowed_dir = self.workspace if self.restrict_to_workspace else None
tools.register(ReadFileTool(allowed_dir=allowed_dir))
tools.register(WriteFileTool(allowed_dir=allowed_dir))
tools.register(EditFileTool(allowed_dir=allowed_dir))
tools.register(ListDirTool(allowed_dir=allowed_dir))
tools.register(ReadFileTool(workspace=self.workspace, allowed_dir=allowed_dir))
tools.register(WriteFileTool(workspace=self.workspace, allowed_dir=allowed_dir))
tools.register(EditFileTool(workspace=self.workspace, allowed_dir=allowed_dir))
tools.register(ListDirTool(workspace=self.workspace, allowed_dir=allowed_dir))
tools.register(ExecTool(
working_dir=str(self.workspace),
timeout=self.exec_config.timeout,
restrict_to_workspace=self.restrict_to_workspace,
path_append=self.exec_config.path_append,
))
tools.register(WebSearchTool(api_key=self.brave_api_key))
tools.register(WebFetchTool())
tools.register(WebSearchTool(api_key=self.brave_api_key, proxy=self.web_proxy))
tools.register(WebFetchTool(proxy=self.web_proxy))
# Build messages with subagent-specific prompt
system_prompt = self._build_subagent_prompt(task)
system_prompt = self._build_subagent_prompt()
messages: list[dict[str, Any]] = [
{"role": "system", "content": system_prompt},
{"role": "user", "content": task},
]
# Run agent loop (limited iterations)
max_iterations = 15
iteration = 0
final_result: str | None = None
while iteration < max_iterations:
iteration += 1
response = await self.provider.chat(
messages=messages,
tools=tools.get_definitions(),
model=self.model,
temperature=self.temperature,
max_tokens=self.max_tokens,
reasoning_effort=self.reasoning_effort,
)
if response.has_tool_calls:
# Add assistant message with tool calls
tool_call_dicts = [
@@ -146,7 +140,7 @@ class SubagentManager:
"type": "function",
"function": {
"name": tc.name,
"arguments": json.dumps(tc.arguments),
"arguments": json.dumps(tc.arguments, ensure_ascii=False),
},
}
for tc in response.tool_calls
@@ -156,11 +150,11 @@ class SubagentManager:
"content": response.content or "",
"tool_calls": tool_call_dicts,
})
# Execute tools
for tool_call in response.tool_calls:
args_str = json.dumps(tool_call.arguments)
logger.debug(f"Subagent [{task_id}] executing: {tool_call.name} with arguments: {args_str}")
args_str = json.dumps(tool_call.arguments, ensure_ascii=False)
logger.debug("Subagent [{}] executing: {} with arguments: {}", task_id, tool_call.name, args_str)
result = await tools.execute(tool_call.name, tool_call.arguments)
messages.append({
"role": "tool",
@@ -171,18 +165,18 @@ class SubagentManager:
else:
final_result = response.content
break
if final_result is None:
final_result = "Task completed but no final response was generated."
logger.info(f"Subagent [{task_id}] completed successfully")
logger.info("Subagent [{}] completed successfully", task_id)
await self._announce_result(task_id, label, task, final_result, origin, "ok")
except Exception as e:
error_msg = f"Error: {str(e)}"
logger.error(f"Subagent [{task_id}] failed: {e}")
logger.error("Subagent [{}] failed: {}", task_id, e)
await self._announce_result(task_id, label, task, error_msg, origin, "error")
async def _announce_result(
self,
task_id: str,
@@ -194,7 +188,7 @@ class SubagentManager:
) -> None:
"""Announce the subagent result to the main agent via the message bus."""
status_text = "completed successfully" if status == "ok" else "failed"
announce_content = f"""[Subagent '{label}' {status_text}]
Task: {task}
@@ -203,7 +197,7 @@ Result:
{result}
Summarize this naturally for the user. Keep it brief (1-2 sentences). Do not mention technical details like "subagent" or task IDs."""
# Inject as system message to trigger main agent
msg = InboundMessage(
channel="system",
@@ -211,47 +205,42 @@ Summarize this naturally for the user. Keep it brief (1-2 sentences). Do not men
chat_id=f"{origin['channel']}:{origin['chat_id']}",
content=announce_content,
)
await self.bus.publish_inbound(msg)
logger.debug(f"Subagent [{task_id}] announced result to {origin['channel']}:{origin['chat_id']}")
logger.debug("Subagent [{}] announced result to {}:{}", task_id, origin['channel'], origin['chat_id'])
def _build_subagent_prompt(self, task: str) -> str:
def _build_subagent_prompt(self) -> str:
"""Build a focused system prompt for the subagent."""
from datetime import datetime
import time as _time
now = datetime.now().strftime("%Y-%m-%d %H:%M (%A)")
tz = _time.strftime("%Z") or "UTC"
from nanobot.agent.context import ContextBuilder
from nanobot.agent.skills import SkillsLoader
return f"""# Subagent
time_ctx = ContextBuilder._build_runtime_context(None, None)
parts = [f"""# Subagent
## Current Time
{now} ({tz})
{time_ctx}
You are a subagent spawned by the main agent to complete a specific task.
## Rules
1. Stay focused - complete only the assigned task, nothing else
2. Your final response will be reported back to the main agent
3. Do not initiate conversations or take on side tasks
4. Be concise but informative in your findings
## What You Can Do
- Read and write files in the workspace
- Execute shell commands
- Search the web and fetch web pages
- Complete the task thoroughly
## What You Cannot Do
- Send messages directly to users (no message tool available)
- Spawn other subagents
- Access the main agent's conversation history
Stay focused on the assigned task. Your final response will be reported back to the main agent.
## Workspace
Your workspace is at: {self.workspace}
Skills are available at: {self.workspace}/skills/ (read SKILL.md files as needed)
{self.workspace}"""]
When you have completed the task, provide a clear summary of your findings or actions."""
skills_summary = SkillsLoader(self.workspace).build_skills_summary()
if skills_summary:
parts.append(f"## Skills\n\nRead SKILL.md with read_file to use a skill.\n\n{skills_summary}")
return "\n\n".join(parts)
async def cancel_by_session(self, session_key: str) -> int:
"""Cancel all subagents for the given session. Returns count cancelled."""
tasks = [self._running_tasks[tid] for tid in self._session_tasks.get(session_key, [])
if tid in self._running_tasks and not self._running_tasks[tid].done()]
for t in tasks:
t.cancel()
if tasks:
await asyncio.gather(*tasks, return_exceptions=True)
return len(tasks)
def get_running_count(self) -> int:
"""Return the number of currently running subagents."""
return len(self._running_tasks)

107
nanobot/agent/tools/base.py
View File

@@ -7,11 +7,11 @@ from typing import Any
class Tool(ABC):
"""
Abstract base class for agent tools.
Tools are capabilities that the agent can use to interact with
the environment, such as reading files, executing commands, etc.
"""
_TYPE_MAP = {
"string": str,
"integer": int,
@@ -20,40 +20,111 @@ class Tool(ABC):
"array": list,
"object": dict,
}
@property
@abstractmethod
def name(self) -> str:
"""Tool name used in function calls."""
pass
@property
@abstractmethod
def description(self) -> str:
"""Description of what the tool does."""
pass
@property
@abstractmethod
def parameters(self) -> dict[str, Any]:
"""JSON Schema for tool parameters."""
pass
@abstractmethod
async def execute(self, **kwargs: Any) -> str:
"""
Execute the tool with given parameters.
Args:
**kwargs: Tool-specific parameters.
Returns:
String result of the tool execution.
"""
pass
def cast_params(self, params: dict[str, Any]) -> dict[str, Any]:
"""Apply safe schema-driven casts before validation."""
schema = self.parameters or {}
if schema.get("type", "object") != "object":
return params
return self._cast_object(params, schema)
def _cast_object(self, obj: Any, schema: dict[str, Any]) -> dict[str, Any]:
"""Cast an object (dict) according to schema."""
if not isinstance(obj, dict):
return obj
props = schema.get("properties", {})
result = {}
for key, value in obj.items():
if key in props:
result[key] = self._cast_value(value, props[key])
else:
result[key] = value
return result
def _cast_value(self, val: Any, schema: dict[str, Any]) -> Any:
"""Cast a single value according to schema."""
target_type = schema.get("type")
if target_type == "boolean" and isinstance(val, bool):
return val
if target_type == "integer" and isinstance(val, int) and not isinstance(val, bool):
return val
if target_type in self._TYPE_MAP and target_type not in ("boolean", "integer", "array", "object"):
expected = self._TYPE_MAP[target_type]
if isinstance(val, expected):
return val
if target_type == "integer" and isinstance(val, str):
try:
return int(val)
except ValueError:
return val
if target_type == "number" and isinstance(val, str):
try:
return float(val)
except ValueError:
return val
if target_type == "string":
return val if val is None else str(val)
if target_type == "boolean" and isinstance(val, str):
val_lower = val.lower()
if val_lower in ("true", "1", "yes"):
return True
if val_lower in ("false", "0", "no"):
return False
return val
if target_type == "array" and isinstance(val, list):
item_schema = schema.get("items")
return [self._cast_value(item, item_schema) for item in val] if item_schema else val
if target_type == "object" and isinstance(val, dict):
return self._cast_object(val, schema)
return val
def validate_params(self, params: dict[str, Any]) -> list[str]:
"""Validate tool parameters against JSON schema. Returns error list (empty if valid)."""
if not isinstance(params, dict):
return [f"parameters must be an object, got {type(params).__name__}"]
schema = self.parameters or {}
if schema.get("type", "object") != "object":
raise ValueError(f"Schema must be object type, got {schema.get('type')!r}")
@@ -61,9 +132,15 @@ class Tool(ABC):
def _validate(self, val: Any, schema: dict[str, Any], path: str) -> list[str]:
t, label = schema.get("type"), path or "parameter"
if t in self._TYPE_MAP and not isinstance(val, self._TYPE_MAP[t]):
if t == "integer" and (not isinstance(val, int) or isinstance(val, bool)):
return [f"{label} should be integer"]
if t == "number" and (
not isinstance(val, self._TYPE_MAP[t]) or isinstance(val, bool)
):
return [f"{label} should be number"]
if t in self._TYPE_MAP and t not in ("integer", "number") and not isinstance(val, self._TYPE_MAP[t]):
return [f"{label} should be {t}"]
errors = []
if "enum" in schema and val not in schema["enum"]:
errors.append(f"{label} must be one of {schema['enum']}")
@@ -84,12 +161,14 @@ class Tool(ABC):
errors.append(f"missing required {path + '.' + k if path else k}")
for k, v in val.items():
if k in props:
errors.extend(self._validate(v, props[k], path + '.' + k if path else k))
errors.extend(self._validate(v, props[k], path + "." + k if path else k))
if t == "array" and "items" in schema:
for i, item in enumerate(val):
errors.extend(self._validate(item, schema["items"], f"{path}[{i}]" if path else f"[{i}]"))
errors.extend(
self._validate(item, schema["items"], f"{path}[{i}]" if path else f"[{i}]")
)
return errors
def to_schema(self) -> dict[str, Any]:
"""Convert tool to OpenAI function schema format."""
return {
@@ -98,5 +177,5 @@ class Tool(ABC):
"name": self.name,
"description": self.description,
"parameters": self.parameters,
}
},
}

89
nanobot/agent/tools/cron.py
View File

@@ -1,5 +1,6 @@
"""Cron tool for scheduling reminders and tasks."""
from contextvars import ContextVar
from typing import Any
from nanobot.agent.tools.base import Tool
@@ -9,25 +10,34 @@ from nanobot.cron.types import CronSchedule
class CronTool(Tool):
"""Tool to schedule reminders and recurring tasks."""
def __init__(self, cron_service: CronService):
self._cron = cron_service
self._channel = ""
self._chat_id = ""
self._in_cron_context: ContextVar[bool] = ContextVar("cron_in_context", default=False)
def set_context(self, channel: str, chat_id: str) -> None:
"""Set the current session context for delivery."""
self._channel = channel
self._chat_id = chat_id
def set_cron_context(self, active: bool):
"""Mark whether the tool is executing inside a cron job callback."""
return self._in_cron_context.set(active)
def reset_cron_context(self, token) -> None:
"""Restore previous cron context."""
self._in_cron_context.reset(token)
@property
def name(self) -> str:
return "cron"
@property
def description(self) -> str:
return "Schedule reminders and recurring tasks. Actions: add, list, remove."
@property
def parameters(self) -> dict[str, Any]:
return {
@@ -36,71 +46,92 @@ class CronTool(Tool):
"action": {
"type": "string",
"enum": ["add", "list", "remove"],
"description": "Action to perform"
},
"message": {
"type": "string",
"description": "Reminder message (for add)"
"description": "Action to perform",
},
"message": {"type": "string", "description": "Reminder message (for add)"},
"every_seconds": {
"type": "integer",
"description": "Interval in seconds (for recurring tasks)"
"description": "Interval in seconds (for recurring tasks)",
},
"cron_expr": {
"type": "string",
"description": "Cron expression like '0 9 * * *' (for scheduled tasks)"
"description": "Cron expression like '0 9 * * *' (for scheduled tasks)",
},
"tz": {
"type": "string",
"description": "IANA timezone for cron expressions (e.g. 'America/Vancouver')",
},
"at": {
"type": "string",
"description": "ISO datetime for one-time execution (e.g. '2026-02-12T10:30:00')"
"description": "ISO datetime for one-time execution (e.g. '2026-02-12T10:30:00')",
},
"job_id": {
"type": "string",
"description": "Job ID (for remove)"
}
"job_id": {"type": "string", "description": "Job ID (for remove)"},
},
"required": ["action"]
"required": ["action"],
}
async def execute(
self,
action: str,
message: str = "",
every_seconds: int | None = None,
cron_expr: str | None = None,
tz: str | None = None,
at: str | None = None,
job_id: str | None = None,
**kwargs: Any
**kwargs: Any,
) -> str:
if action == "add":
return self._add_job(message, every_seconds, cron_expr, at)
if self._in_cron_context.get():
return "Error: cannot schedule new jobs from within a cron job execution"
return self._add_job(message, every_seconds, cron_expr, tz, at)
elif action == "list":
return self._list_jobs()
elif action == "remove":
return self._remove_job(job_id)
return f"Unknown action: {action}"
def _add_job(self, message: str, every_seconds: int | None, cron_expr: str | None, at: str | None) -> str:
def _add_job(
self,
message: str,
every_seconds: int | None,
cron_expr: str | None,
tz: str | None,
at: str | None,
) -> str:
if not message:
return "Error: message is required for add"
if not self._channel or not self._chat_id:
return "Error: no session context (channel/chat_id)"
if tz and not cron_expr:
return "Error: tz can only be used with cron_expr"
if tz:
from zoneinfo import ZoneInfo
try:
ZoneInfo(tz)
except (KeyError, Exception):
return f"Error: unknown timezone '{tz}'"
# Build schedule
delete_after = False
if every_seconds:
schedule = CronSchedule(kind="every", every_ms=every_seconds * 1000)
elif cron_expr:
schedule = CronSchedule(kind="cron", expr=cron_expr)
schedule = CronSchedule(kind="cron", expr=cron_expr, tz=tz)
elif at:
from datetime import datetime
dt = datetime.fromisoformat(at)
try:
dt = datetime.fromisoformat(at)
except ValueError:
return f"Error: invalid ISO datetime format '{at}'. Expected format: YYYY-MM-DDTHH:MM:SS"
at_ms = int(dt.timestamp() * 1000)
schedule = CronSchedule(kind="at", at_ms=at_ms)
delete_after = True
else:
return "Error: either every_seconds, cron_expr, or at is required"
job = self._cron.add_job(
name=message[:30],
schedule=schedule,
@@ -111,14 +142,14 @@ class CronTool(Tool):
delete_after_run=delete_after,
)
return f"Created job '{job.name}' (id: {job.id})"
def _list_jobs(self) -> str:
jobs = self._cron.list_jobs()
if not jobs:
return "No scheduled jobs."
lines = [f"- {j.name} (id: {j.id}, {j.schedule.kind})" for j in jobs]
return "Scheduled jobs:\n" + "\n".join(lines)
def _remove_job(self, job_id: str | None) -> str:
if not job_id:
return "Error: job_id is required for remove"

181
nanobot/agent/tools/filesystem.py
View File

@@ -1,55 +1,71 @@
"""File system tools: read, write, edit."""
import difflib
from pathlib import Path
from typing import Any
from nanobot.agent.tools.base import Tool
def _resolve_path(path: str, allowed_dir: Path | None = None) -> Path:
"""Resolve path and optionally enforce directory restriction."""
resolved = Path(path).expanduser().resolve()
if allowed_dir and not str(resolved).startswith(str(allowed_dir.resolve())):
raise PermissionError(f"Path {path} is outside allowed directory {allowed_dir}")
def _resolve_path(
path: str, workspace: Path | None = None, allowed_dir: Path | None = None
) -> Path:
"""Resolve path against workspace (if relative) and enforce directory restriction."""
p = Path(path).expanduser()
if not p.is_absolute() and workspace:
p = workspace / p
resolved = p.resolve()
if allowed_dir:
try:
resolved.relative_to(allowed_dir.resolve())
except ValueError:
raise PermissionError(f"Path {path} is outside allowed directory {allowed_dir}")
return resolved
class ReadFileTool(Tool):
"""Tool to read file contents."""
def __init__(self, allowed_dir: Path | None = None):
_MAX_CHARS = 128_000 # ~128 KB — prevents OOM from reading huge files into LLM context
def __init__(self, workspace: Path | None = None, allowed_dir: Path | None = None):
self._workspace = workspace
self._allowed_dir = allowed_dir
@property
def name(self) -> str:
return "read_file"
@property
def description(self) -> str:
return "Read the contents of a file at the given path."
@property
def parameters(self) -> dict[str, Any]:
return {
"type": "object",
"properties": {
"path": {
"type": "string",
"description": "The file path to read"
}
},
"required": ["path"]
"properties": {"path": {"type": "string", "description": "The file path to read"}},
"required": ["path"],
}
async def execute(self, path: str, **kwargs: Any) -> str:
try:
file_path = _resolve_path(path, self._allowed_dir)
file_path = _resolve_path(path, self._workspace, self._allowed_dir)
if not file_path.exists():
return f"Error: File not found: {path}"
if not file_path.is_file():
return f"Error: Not a file: {path}"
size = file_path.stat().st_size
if size > self._MAX_CHARS * 4: # rough upper bound (UTF-8 chars ≤ 4 bytes)
return (
f"Error: File too large ({size:,} bytes). "
f"Use exec tool with head/tail/grep to read portions."
)
content = file_path.read_text(encoding="utf-8")
if len(content) > self._MAX_CHARS:
return content[: self._MAX_CHARS] + f"\n\n... (truncated — file is {len(content):,} chars, limit {self._MAX_CHARS:,})"
return content
except PermissionError as e:
return f"Error: {e}"
@@ -59,41 +75,36 @@ class ReadFileTool(Tool):
class WriteFileTool(Tool):
"""Tool to write content to a file."""
def __init__(self, allowed_dir: Path | None = None):
def __init__(self, workspace: Path | None = None, allowed_dir: Path | None = None):
self._workspace = workspace
self._allowed_dir = allowed_dir
@property
def name(self) -> str:
return "write_file"
@property
def description(self) -> str:
return "Write content to a file at the given path. Creates parent directories if needed."
@property
def parameters(self) -> dict[str, Any]:
return {
"type": "object",
"properties": {
"path": {
"type": "string",
"description": "The file path to write to"
},
"content": {
"type": "string",
"description": "The content to write"
}
"path": {"type": "string", "description": "The file path to write to"},
"content": {"type": "string", "description": "The content to write"},
},
"required": ["path", "content"]
"required": ["path", "content"],
}
async def execute(self, path: str, content: str, **kwargs: Any) -> str:
try:
file_path = _resolve_path(path, self._allowed_dir)
file_path = _resolve_path(path, self._workspace, self._allowed_dir)
file_path.parent.mkdir(parents=True, exist_ok=True)
file_path.write_text(content, encoding="utf-8")
return f"Successfully wrote {len(content)} bytes to {path}"
return f"Successfully wrote {len(content)} bytes to {file_path}"
except PermissionError as e:
return f"Error: {e}"
except Exception as e:
@@ -102,108 +113,124 @@ class WriteFileTool(Tool):
class EditFileTool(Tool):
"""Tool to edit a file by replacing text."""
def __init__(self, allowed_dir: Path | None = None):
def __init__(self, workspace: Path | None = None, allowed_dir: Path | None = None):
self._workspace = workspace
self._allowed_dir = allowed_dir
@property
def name(self) -> str:
return "edit_file"
@property
def description(self) -> str:
return "Edit a file by replacing old_text with new_text. The old_text must exist exactly in the file."
@property
def parameters(self) -> dict[str, Any]:
return {
"type": "object",
"properties": {
"path": {
"type": "string",
"description": "The file path to edit"
},
"old_text": {
"type": "string",
"description": "The exact text to find and replace"
},
"new_text": {
"type": "string",
"description": "The text to replace with"
}
"path": {"type": "string", "description": "The file path to edit"},
"old_text": {"type": "string", "description": "The exact text to find and replace"},
"new_text": {"type": "string", "description": "The text to replace with"},
},
"required": ["path", "old_text", "new_text"]
"required": ["path", "old_text", "new_text"],
}
async def execute(self, path: str, old_text: str, new_text: str, **kwargs: Any) -> str:
try:
file_path = _resolve_path(path, self._allowed_dir)
file_path = _resolve_path(path, self._workspace, self._allowed_dir)
if not file_path.exists():
return f"Error: File not found: {path}"
content = file_path.read_text(encoding="utf-8")
if old_text not in content:
return f"Error: old_text not found in file. Make sure it matches exactly."
return self._not_found_message(old_text, content, path)
# Count occurrences
count = content.count(old_text)
if count > 1:
return f"Warning: old_text appears {count} times. Please provide more context to make it unique."
new_content = content.replace(old_text, new_text, 1)
file_path.write_text(new_content, encoding="utf-8")
return f"Successfully edited {path}"
return f"Successfully edited {file_path}"
except PermissionError as e:
return f"Error: {e}"
except Exception as e:
return f"Error editing file: {str(e)}"
@staticmethod
def _not_found_message(old_text: str, content: str, path: str) -> str:
"""Build a helpful error when old_text is not found."""
lines = content.splitlines(keepends=True)
old_lines = old_text.splitlines(keepends=True)
window = len(old_lines)
best_ratio, best_start = 0.0, 0
for i in range(max(1, len(lines) - window + 1)):
ratio = difflib.SequenceMatcher(None, old_lines, lines[i : i + window]).ratio()
if ratio > best_ratio:
best_ratio, best_start = ratio, i
if best_ratio > 0.5:
diff = "\n".join(
difflib.unified_diff(
old_lines,
lines[best_start : best_start + window],
fromfile="old_text (provided)",
tofile=f"{path} (actual, line {best_start + 1})",
lineterm="",
)
)
return f"Error: old_text not found in {path}.\nBest match ({best_ratio:.0%} similar) at line {best_start + 1}:\n{diff}"
return (
f"Error: old_text not found in {path}. No similar text found. Verify the file content."
)
class ListDirTool(Tool):
"""Tool to list directory contents."""
def __init__(self, allowed_dir: Path | None = None):
def __init__(self, workspace: Path | None = None, allowed_dir: Path | None = None):
self._workspace = workspace
self._allowed_dir = allowed_dir
@property
def name(self) -> str:
return "list_dir"
@property
def description(self) -> str:
return "List the contents of a directory."
@property
def parameters(self) -> dict[str, Any]:
return {
"type": "object",
"properties": {
"path": {
"type": "string",
"description": "The directory path to list"
}
},
"required": ["path"]
"properties": {"path": {"type": "string", "description": "The directory path to list"}},
"required": ["path"],
}
async def execute(self, path: str, **kwargs: Any) -> str:
try:
dir_path = _resolve_path(path, self._allowed_dir)
dir_path = _resolve_path(path, self._workspace, self._allowed_dir)
if not dir_path.exists():
return f"Error: Directory not found: {path}"
if not dir_path.is_dir():
return f"Error: Not a directory: {path}"
items = []
for item in sorted(dir_path.iterdir()):
prefix = "📁 " if item.is_dir() else "📄 "
items.append(f"{prefix}{item.name}")
if not items:
return f"Directory {path} is empty"
return "\n".join(items)
except PermissionError as e:
return f"Error: {e}"

72
nanobot/agent/tools/mcp.py
View File

@@ -1,8 +1,10 @@
"""MCP client: connects to MCP servers and wraps their tools as native nanobot tools."""
import asyncio
from contextlib import AsyncExitStack
from typing import Any
import httpx
from loguru import logger
from nanobot.agent.tools.base import Tool
@@ -12,12 +14,13 @@ from nanobot.agent.tools.registry import ToolRegistry
class MCPToolWrapper(Tool):
"""Wraps a single MCP server tool as a nanobot Tool."""
def __init__(self, session, server_name: str, tool_def):
def __init__(self, session, server_name: str, tool_def, tool_timeout: int = 30):
self._session = session
self._original_name = tool_def.name
self._name = f"mcp_{server_name}_{tool_def.name}"
self._description = tool_def.description or tool_def.name
self._parameters = tool_def.inputSchema or {"type": "object", "properties": {}}
self._tool_timeout = tool_timeout
@property
def name(self) -> str:
@@ -33,7 +36,14 @@ class MCPToolWrapper(Tool):
async def execute(self, **kwargs: Any) -> str:
from mcp import types
result = await self._session.call_tool(self._original_name, arguments=kwargs)
try:
result = await asyncio.wait_for(
self._session.call_tool(self._original_name, arguments=kwargs),
timeout=self._tool_timeout,
)
except asyncio.TimeoutError:
logger.warning("MCP tool '{}' timed out after {}s", self._name, self._tool_timeout)
return f"(MCP tool call timed out after {self._tool_timeout}s)"
parts = []
for block in result.content:
if isinstance(block, types.TextContent):
@@ -48,22 +58,62 @@ async def connect_mcp_servers(
) -> None:
"""Connect to configured MCP servers and register their tools."""
from mcp import ClientSession, StdioServerParameters
from mcp.client.sse import sse_client
from mcp.client.stdio import stdio_client
from mcp.client.streamable_http import streamable_http_client
for name, cfg in mcp_servers.items():
try:
if cfg.command:
transport_type = cfg.type
if not transport_type:
if cfg.command:
transport_type = "stdio"
elif cfg.url:
# Convention: URLs ending with /sse use SSE transport; others use streamableHttp
transport_type = (
"sse" if cfg.url.rstrip("/").endswith("/sse") else "streamableHttp"
)
else:
logger.warning("MCP server '{}': no command or url configured, skipping", name)
continue
if transport_type == "stdio":
params = StdioServerParameters(
command=cfg.command, args=cfg.args, env=cfg.env or None
)
read, write = await stack.enter_async_context(stdio_client(params))
elif cfg.url:
from mcp.client.streamable_http import streamable_http_client
elif transport_type == "sse":
def httpx_client_factory(
headers: dict[str, str] | None = None,
timeout: httpx.Timeout | None = None,
auth: httpx.Auth | None = None,
) -> httpx.AsyncClient:
merged_headers = {**(cfg.headers or {}), **(headers or {})}
return httpx.AsyncClient(
headers=merged_headers or None,
follow_redirects=True,
timeout=timeout,
auth=auth,
)
read, write = await stack.enter_async_context(
sse_client(cfg.url, httpx_client_factory=httpx_client_factory)
)
elif transport_type == "streamableHttp":
# Always provide an explicit httpx client so MCP HTTP transport does not
# inherit httpx's default 5s timeout and preempt the higher-level tool timeout.
http_client = await stack.enter_async_context(
httpx.AsyncClient(
headers=cfg.headers or None,
follow_redirects=True,
timeout=None,
)
)
read, write, _ = await stack.enter_async_context(
streamable_http_client(cfg.url)
streamable_http_client(cfg.url, http_client=http_client)
)
else:
logger.warning(f"MCP server '{name}': no command or url configured, skipping")
logger.warning("MCP server '{}': unknown transport type '{}'", name, transport_type)
continue
session = await stack.enter_async_context(ClientSession(read, write))
@@ -71,10 +121,10 @@ async def connect_mcp_servers(
tools = await session.list_tools()
for tool_def in tools.tools:
wrapper = MCPToolWrapper(session, name, tool_def)
wrapper = MCPToolWrapper(session, name, tool_def, tool_timeout=cfg.tool_timeout)
registry.register(wrapper)
logger.debug(f"MCP: registered tool '{wrapper.name}' from server '{name}'")
logger.debug("MCP: registered tool '{}' from server '{}'", wrapper.name, name)
logger.info(f"MCP server '{name}': connected, {len(tools.tools)} tools registered")
logger.info("MCP server '{}': connected, {} tools registered", name, len(tools.tools))
except Exception as e:
logger.error(f"MCP server '{name}': failed to connect: {e}")
logger.error("MCP server '{}': failed to connect: {}", name, e)

63
nanobot/agent/tools/message.py
View File

@@ -1,6 +1,6 @@
"""Message tool for sending messages to users."""
from typing import Any, Callable, Awaitable
from typing import Any, Awaitable, Callable
from nanobot.agent.tools.base import Tool
from nanobot.bus.events import OutboundMessage
@@ -8,34 +8,42 @@ from nanobot.bus.events import OutboundMessage
class MessageTool(Tool):
"""Tool to send messages to users on chat channels."""
def __init__(
self,
self,
send_callback: Callable[[OutboundMessage], Awaitable[None]] | None = None,
default_channel: str = "",
default_chat_id: str = ""
default_chat_id: str = "",
default_message_id: str | None = None,
):
self._send_callback = send_callback
self._default_channel = default_channel
self._default_chat_id = default_chat_id
def set_context(self, channel: str, chat_id: str) -> None:
self._default_message_id = default_message_id
self._sent_in_turn: bool = False
def set_context(self, channel: str, chat_id: str, message_id: str | None = None) -> None:
"""Set the current message context."""
self._default_channel = channel
self._default_chat_id = chat_id
self._default_message_id = message_id
def set_send_callback(self, callback: Callable[[OutboundMessage], Awaitable[None]]) -> None:
"""Set the callback for sending messages."""
self._send_callback = callback
def start_turn(self) -> None:
"""Reset per-turn send tracking."""
self._sent_in_turn = False
@property
def name(self) -> str:
return "message"
@property
def description(self) -> str:
return "Send a message to the user. Use this when you want to communicate something."
@property
def parameters(self) -> dict[str, Any]:
return {
@@ -52,35 +60,50 @@ class MessageTool(Tool):
"chat_id": {
"type": "string",
"description": "Optional: target chat/user ID"
},
"media": {
"type": "array",
"items": {"type": "string"},
"description": "Optional: list of file paths to attach (images, audio, documents)"
}
},
"required": ["content"]
}
async def execute(
self,
content: str,
channel: str | None = None,
self,
content: str,
channel: str | None = None,
chat_id: str | None = None,
message_id: str | None = None,
media: list[str] | None = None,
**kwargs: Any
) -> str:
channel = channel or self._default_channel
chat_id = chat_id or self._default_chat_id
message_id = message_id or self._default_message_id
if not channel or not chat_id:
return "Error: No target channel/chat specified"
if not self._send_callback:
return "Error: Message sending not configured"
msg = OutboundMessage(
channel=channel,
chat_id=chat_id,
content=content
content=content,
media=media or [],
metadata={
"message_id": message_id,
},
)
try:
await self._send_callback(msg)
return f"Message sent to {channel}:{chat_id}"
if channel == self._default_channel and chat_id == self._default_chat_id:
self._sent_in_turn = True
media_info = f" with {len(media)} attachments" if media else ""
return f"Message sent to {channel}:{chat_id}{media_info}"
except Exception as e:
return f"Error sending message: {str(e)}"

53
nanobot/agent/tools/registry.py
View File

@@ -8,66 +8,63 @@ from nanobot.agent.tools.base import Tool
class ToolRegistry:
"""
Registry for agent tools.
Allows dynamic registration and execution of tools.
"""
def __init__(self):
self._tools: dict[str, Tool] = {}
def register(self, tool: Tool) -> None:
"""Register a tool."""
self._tools[tool.name] = tool
def unregister(self, name: str) -> None:
"""Unregister a tool by name."""
self._tools.pop(name, None)
def get(self, name: str) -> Tool | None:
"""Get a tool by name."""
return self._tools.get(name)
def has(self, name: str) -> bool:
"""Check if a tool is registered."""
return name in self._tools
def get_definitions(self) -> list[dict[str, Any]]:
"""Get all tool definitions in OpenAI format."""
return [tool.to_schema() for tool in self._tools.values()]
async def execute(self, name: str, params: dict[str, Any]) -> str:
"""
Execute a tool by name with given parameters.
Args:
name: Tool name.
params: Tool parameters.
Returns:
Tool execution result as string.
Raises:
KeyError: If tool not found.
"""
"""Execute a tool by name with given parameters."""
_HINT = "\n\n[Analyze the error above and try a different approach.]"
tool = self._tools.get(name)
if not tool:
return f"Error: Tool '{name}' not found"
return f"Error: Tool '{name}' not found. Available: {', '.join(self.tool_names)}"
try:
# Attempt to cast parameters to match schema types
params = tool.cast_params(params)
# Validate parameters
errors = tool.validate_params(params)
if errors:
return f"Error: Invalid parameters for tool '{name}': " + "; ".join(errors)
return await tool.execute(**params)
return f"Error: Invalid parameters for tool '{name}': " + "; ".join(errors) + _HINT
result = await tool.execute(**params)
if isinstance(result, str) and result.startswith("Error"):
return result + _HINT
return result
except Exception as e:
return f"Error executing {name}: {str(e)}"
return f"Error executing {name}: {str(e)}" + _HINT
@property
def tool_names(self) -> list[str]:
"""Get list of registered tool names."""
return list(self._tools.keys())
def __len__(self) -> int:
return len(self._tools)
def __contains__(self, name: str) -> bool:
return name in self._tools

38
nanobot/agent/tools/shell.py
View File

@@ -11,7 +11,7 @@ from nanobot.agent.tools.base import Tool
class ExecTool(Tool):
"""Tool to execute shell commands."""
def __init__(
self,
timeout: int = 60,
@@ -19,6 +19,7 @@ class ExecTool(Tool):
deny_patterns: list[str] | None = None,
allow_patterns: list[str] | None = None,
restrict_to_workspace: bool = False,
path_append: str = "",
):
self.timeout = timeout
self.working_dir = working_dir
@@ -26,7 +27,8 @@ class ExecTool(Tool):
r"\brm\s+-[rf]{1,2}\b", # rm -r, rm -rf, rm -fr
r"\bdel\s+/[fq]\b", # del /f, del /q
r"\brmdir\s+/s\b", # rmdir /s
r"\b(format|mkfs|diskpart)\b", # disk operations
r"(?:^|[;&|]\s*)format\b", # format (as standalone command only)
r"\b(mkfs|diskpart)\b", # disk operations
r"\bdd\s+if=", # dd
r">\s*/dev/sd", # write to disk
r"\b(shutdown|reboot|poweroff)\b", # system power
@@ -34,15 +36,16 @@ class ExecTool(Tool):
]
self.allow_patterns = allow_patterns or []
self.restrict_to_workspace = restrict_to_workspace
self.path_append = path_append
@property
def name(self) -> str:
return "exec"
@property
def description(self) -> str:
return "Execute a shell command and return its output. Use with caution."
@property
def parameters(self) -> dict[str, Any]:
return {
@@ -66,12 +69,17 @@ class ExecTool(Tool):
if guard_error:
return guard_error
env = os.environ.copy()
if self.path_append:
env["PATH"] = env.get("PATH", "") + os.pathsep + self.path_append
try:
process = await asyncio.create_subprocess_shell(
command,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE,
cwd=cwd,
env=env,
)
try:
@@ -81,6 +89,12 @@ class ExecTool(Tool):
)
except asyncio.TimeoutError:
process.kill()
# Wait for the process to fully terminate so pipes are
# drained and file descriptors are released.
try:
await asyncio.wait_for(process.wait(), timeout=5.0)
except asyncio.TimeoutError:
pass
return f"Error: Command timed out after {self.timeout} seconds"
output_parts = []
@@ -127,13 +141,7 @@ class ExecTool(Tool):
cwd_path = Path(cwd).resolve()
win_paths = re.findall(r"[A-Za-z]:\\[^\\\"']+", cmd)
# Only match absolute paths — avoid false positives on relative
# paths like ".venv/bin/python" where "/bin/python" would be
# incorrectly extracted by the old pattern.
posix_paths = re.findall(r"(?:^|[\s|>])(/[^\s\"'>]+)", cmd)
for raw in win_paths + posix_paths:
for raw in self._extract_absolute_paths(cmd):
try:
p = Path(raw.strip()).resolve()
except Exception:
@@ -142,3 +150,9 @@ class ExecTool(Tool):
return "Error: Command blocked by safety guard (path outside working dir)"
return None
@staticmethod
def _extract_absolute_paths(command: str) -> list[str]:
win_paths = re.findall(r"[A-Za-z]:\\[^\s\"'|><;]+", command) # Windows: C:\...
posix_paths = re.findall(r"(?:^|[\s|>])(/[^\s\"'>]+)", command) # POSIX: /absolute only
return win_paths + posix_paths

24
nanobot/agent/tools/spawn.py
View File

@@ -1,6 +1,6 @@
"""Spawn tool for creating background subagents."""
from typing import Any, TYPE_CHECKING
from typing import TYPE_CHECKING, Any
from nanobot.agent.tools.base import Tool
@@ -9,27 +9,24 @@ if TYPE_CHECKING:
class SpawnTool(Tool):
"""
Tool to spawn a subagent for background task execution.
The subagent runs asynchronously and announces its result back
to the main agent when complete.
"""
"""Tool to spawn a subagent for background task execution."""
def __init__(self, manager: "SubagentManager"):
self._manager = manager
self._origin_channel = "cli"
self._origin_chat_id = "direct"
self._session_key = "cli:direct"
def set_context(self, channel: str, chat_id: str) -> None:
"""Set the origin context for subagent announcements."""
self._origin_channel = channel
self._origin_chat_id = chat_id
self._session_key = f"{channel}:{chat_id}"
@property
def name(self) -> str:
return "spawn"
@property
def description(self) -> str:
return (
@@ -37,7 +34,7 @@ class SpawnTool(Tool):
"Use this for complex or time-consuming tasks that can run independently. "
"The subagent will complete the task and report back when done."
)
@property
def parameters(self) -> dict[str, Any]:
return {
@@ -54,7 +51,7 @@ class SpawnTool(Tool):
},
"required": ["task"],
}
async def execute(self, task: str, label: str | None = None, **kwargs: Any) -> str:
"""Spawn a subagent to execute the given task."""
return await self._manager.spawn(
@@ -62,4 +59,5 @@ class SpawnTool(Tool):
label=label,
origin_channel=self._origin_channel,
origin_chat_id=self._origin_chat_id,
session_key=self._session_key,
)

82
nanobot/agent/tools/web.py
View File

@@ -8,6 +8,7 @@ from typing import Any
from urllib.parse import urlparse
import httpx
from loguru import logger
from nanobot.agent.tools.base import Tool
@@ -45,7 +46,7 @@ def _validate_url(url: str) -> tuple[bool, str]:
class WebSearchTool(Tool):
"""Search the web using Brave Search API."""
name = "web_search"
description = "Search the web. Returns titles, URLs, and snippets."
parameters = {
@@ -56,18 +57,29 @@ class WebSearchTool(Tool):
},
"required": ["query"]
}
def __init__(self, api_key: str | None = None, max_results: int = 5):
self.api_key = api_key or os.environ.get("BRAVE_API_KEY", "")
def __init__(self, api_key: str | None = None, max_results: int = 5, proxy: str | None = None):
self._init_api_key = api_key
self.max_results = max_results
self.proxy = proxy
@property
def api_key(self) -> str:
"""Resolve API key at call time so env/config changes are picked up."""
return self._init_api_key or os.environ.get("BRAVE_API_KEY", "")
async def execute(self, query: str, count: int | None = None, **kwargs: Any) -> str:
if not self.api_key:
return "Error: BRAVE_API_KEY not configured"
return (
"Error: Brave Search API key not configured. Set it in "
"~/.nanobot/config.json under tools.web.search.apiKey "
"(or export BRAVE_API_KEY), then restart the gateway."
)
try:
n = min(max(count or self.max_results, 1), 10)
async with httpx.AsyncClient() as client:
logger.debug("WebSearch: {}", "proxy enabled" if self.proxy else "direct connection")
async with httpx.AsyncClient(proxy=self.proxy) as client:
r = await client.get(
"https://api.search.brave.com/res/v1/web/search",
params={"q": query, "count": n},
@@ -75,24 +87,28 @@ class WebSearchTool(Tool):
timeout=10.0
)
r.raise_for_status()
results = r.json().get("web", {}).get("results", [])
results = r.json().get("web", {}).get("results", [])[:n]
if not results:
return f"No results for: {query}"
lines = [f"Results for: {query}\n"]
for i, item in enumerate(results[:n], 1):
for i, item in enumerate(results, 1):
lines.append(f"{i}. {item.get('title', '')}\n {item.get('url', '')}")
if desc := item.get("description"):
lines.append(f" {desc}")
return "\n".join(lines)
except httpx.ProxyError as e:
logger.error("WebSearch proxy error: {}", e)
return f"Proxy error: {e}"
except Exception as e:
logger.error("WebSearch error: {}", e)
return f"Error: {e}"
class WebFetchTool(Tool):
"""Fetch and extract content from a URL using Readability."""
name = "web_fetch"
description = "Fetch URL and extract readable content (HTML → markdown/text)."
parameters = {
@@ -104,35 +120,34 @@ class WebFetchTool(Tool):
},
"required": ["url"]
}
def __init__(self, max_chars: int = 50000):
def __init__(self, max_chars: int = 50000, proxy: str | None = None):
self.max_chars = max_chars
self.proxy = proxy
async def execute(self, url: str, extractMode: str = "markdown", maxChars: int | None = None, **kwargs: Any) -> str:
from readability import Document
max_chars = maxChars or self.max_chars
# Validate URL before fetching
is_valid, error_msg = _validate_url(url)
if not is_valid:
return json.dumps({"error": f"URL validation failed: {error_msg}", "url": url})
return json.dumps({"error": f"URL validation failed: {error_msg}", "url": url}, ensure_ascii=False)
try:
logger.debug("WebFetch: {}", "proxy enabled" if self.proxy else "direct connection")
async with httpx.AsyncClient(
follow_redirects=True,
max_redirects=MAX_REDIRECTS,
timeout=30.0
timeout=30.0,
proxy=self.proxy,
) as client:
r = await client.get(url, headers={"User-Agent": USER_AGENT})
r.raise_for_status()
ctype = r.headers.get("content-type", "")
# JSON
if "application/json" in ctype:
text, extractor = json.dumps(r.json(), indent=2), "json"
# HTML
text, extractor = json.dumps(r.json(), indent=2, ensure_ascii=False), "json"
elif "text/html" in ctype or r.text[:256].lower().startswith(("<!doctype", "<html")):
doc = Document(r.text)
content = self._to_markdown(doc.summary()) if extractMode == "markdown" else _strip_tags(doc.summary())
@@ -140,16 +155,19 @@ class WebFetchTool(Tool):
extractor = "readability"
else:
text, extractor = r.text, "raw"
truncated = len(text) > max_chars
if truncated:
text = text[:max_chars]
if truncated: text = text[:max_chars]
return json.dumps({"url": url, "finalUrl": str(r.url), "status": r.status_code,
"extractor": extractor, "truncated": truncated, "length": len(text), "text": text})
"extractor": extractor, "truncated": truncated, "length": len(text), "text": text}, ensure_ascii=False)
except httpx.ProxyError as e:
logger.error("WebFetch proxy error for {}: {}", url, e)
return json.dumps({"error": f"Proxy error: {e}", "url": url}, ensure_ascii=False)
except Exception as e:
return json.dumps({"error": str(e), "url": url})
logger.error("WebFetch error for {}: {}", url, e)
return json.dumps({"error": str(e), "url": url}, ensure_ascii=False)
def _to_markdown(self, html: str) -> str:
"""Convert HTML to markdown."""
# Convert links, headings, lists before stripping tags

9
nanobot/bus/events.py
View File

@@ -8,7 +8,7 @@ from typing import Any
@dataclass
class InboundMessage:
"""Message received from a chat channel."""
channel: str # telegram, discord, slack, whatsapp
sender_id: str # User identifier
chat_id: str # Chat/channel identifier
@@ -16,17 +16,18 @@ class InboundMessage:
timestamp: datetime = field(default_factory=datetime.now)
media: list[str] = field(default_factory=list) # Media URLs
metadata: dict[str, Any] = field(default_factory=dict) # Channel-specific data
session_key_override: str | None = None # Optional override for thread-scoped sessions
@property
def session_key(self) -> str:
"""Unique key for session identification."""
return f"{self.channel}:{self.chat_id}"
return self.session_key_override or f"{self.channel}:{self.chat_id}"
@dataclass
class OutboundMessage:
"""Message to send to a chat channel."""
channel: str
chat_id: str
content: str

53
nanobot/bus/queue.py
View File

@@ -1,9 +1,6 @@
"""Async message queue for decoupled channel-agent communication."""
import asyncio
from typing import Callable, Awaitable
from loguru import logger
from nanobot.bus.events import InboundMessage, OutboundMessage
@@ -11,70 +8,36 @@ from nanobot.bus.events import InboundMessage, OutboundMessage
class MessageBus:
"""
Async message bus that decouples chat channels from the agent core.
Channels push messages to the inbound queue, and the agent processes
them and pushes responses to the outbound queue.
"""
def __init__(self):
self.inbound: asyncio.Queue[InboundMessage] = asyncio.Queue()
self.outbound: asyncio.Queue[OutboundMessage] = asyncio.Queue()
self._outbound_subscribers: dict[str, list[Callable[[OutboundMessage], Awaitable[None]]]] = {}
self._running = False
async def publish_inbound(self, msg: InboundMessage) -> None:
"""Publish a message from a channel to the agent."""
await self.inbound.put(msg)
async def consume_inbound(self) -> InboundMessage:
"""Consume the next inbound message (blocks until available)."""
return await self.inbound.get()
async def publish_outbound(self, msg: OutboundMessage) -> None:
"""Publish a response from the agent to channels."""
await self.outbound.put(msg)
async def consume_outbound(self) -> OutboundMessage:
"""Consume the next outbound message (blocks until available)."""
return await self.outbound.get()
def subscribe_outbound(
self,
channel: str,
callback: Callable[[OutboundMessage], Awaitable[None]]
) -> None:
"""Subscribe to outbound messages for a specific channel."""
if channel not in self._outbound_subscribers:
self._outbound_subscribers[channel] = []
self._outbound_subscribers[channel].append(callback)
async def dispatch_outbound(self) -> None:
"""
Dispatch outbound messages to subscribed channels.
Run this as a background task.
"""
self._running = True
while self._running:
try:
msg = await asyncio.wait_for(self.outbound.get(), timeout=1.0)
subscribers = self._outbound_subscribers.get(msg.channel, [])
for callback in subscribers:
try:
await callback(msg)
except Exception as e:
logger.error(f"Error dispatching to {msg.channel}: {e}")
except asyncio.TimeoutError:
continue
def stop(self) -> None:
"""Stop the dispatcher loop."""
self._running = False
@property
def inbound_size(self) -> int:
"""Number of pending inbound messages."""
return self.inbound.qsize()
@property
def outbound_size(self) -> int:
"""Number of pending outbound messages."""

69
nanobot/channels/base.py
View File

@@ -12,17 +12,17 @@ from nanobot.bus.queue import MessageBus
class BaseChannel(ABC):
"""
Abstract base class for chat channel implementations.
Each channel (Telegram, Discord, etc.) should implement this interface
to integrate with the nanobot message bus.
"""
name: str = "base"
def __init__(self, config: Any, bus: MessageBus):
"""
Initialize the channel.
Args:
config: Channel-specific configuration.
bus: The message bus for communication.
@@ -30,97 +30,86 @@ class BaseChannel(ABC):
self.config = config
self.bus = bus
self._running = False
@abstractmethod
async def start(self) -> None:
"""
Start the channel and begin listening for messages.
This should be a long-running async task that:
1. Connects to the chat platform
2. Listens for incoming messages
3. Forwards messages to the bus via _handle_message()
"""
pass
@abstractmethod
async def stop(self) -> None:
"""Stop the channel and clean up resources."""
pass
@abstractmethod
async def send(self, msg: OutboundMessage) -> None:
"""
Send a message through this channel.
Args:
msg: The message to send.
"""
pass
def is_allowed(self, sender_id: str) -> bool:
"""
Check if a sender is allowed to use this bot.
Args:
sender_id: The sender's identifier.
Returns:
True if allowed, False otherwise.
"""
"""Check if *sender_id* is permitted. Empty list → deny all; ``"*"`` → allow all."""
allow_list = getattr(self.config, "allow_from", [])
# If no allow list, allow everyone
if not allow_list:
logger.warning("{}: allow_from is empty — all access denied", self.name)
return False
if "*" in allow_list:
return True
sender_str = str(sender_id)
if sender_str in allow_list:
return True
if "|" in sender_str:
for part in sender_str.split("|"):
if part and part in allow_list:
return True
return False
return str(sender_id) in allow_list
async def _handle_message(
self,
sender_id: str,
chat_id: str,
content: str,
media: list[str] | None = None,
metadata: dict[str, Any] | None = None
metadata: dict[str, Any] | None = None,
session_key: str | None = None,
) -> None:
"""
Handle an incoming message from the chat platform.
This method checks permissions and forwards to the bus.
Args:
sender_id: The sender's identifier.
chat_id: The chat/channel identifier.
content: Message text content.
media: Optional list of media URLs.
metadata: Optional channel-specific metadata.
session_key: Optional session key override (e.g. thread-scoped sessions).
"""
if not self.is_allowed(sender_id):
logger.warning(
f"Access denied for sender {sender_id} on channel {self.name}. "
f"Add them to allowFrom list in config to grant access."
"Access denied for sender {} on channel {}. "
"Add them to allowFrom list in config to grant access.",
sender_id, self.name,
)
return
msg = InboundMessage(
channel=self.name,
sender_id=str(sender_id),
chat_id=str(chat_id),
content=content,
media=media or [],
metadata=metadata or {}
metadata=metadata or {},
session_key_override=session_key,
)
await self.bus.publish_inbound(msg)
@property
def is_running(self) -> bool:
"""Check if the channel is running."""

316
nanobot/channels/dingtalk.py
View File

@@ -2,11 +2,15 @@
import asyncio
import json
import mimetypes
import os
import time
from pathlib import Path
from typing import Any
from urllib.parse import unquote, urlparse
from loguru import logger
import httpx
from loguru import logger
from nanobot.bus.events import OutboundMessage
from nanobot.bus.queue import MessageBus
@@ -15,11 +19,11 @@ from nanobot.config.schema import DingTalkConfig
try:
from dingtalk_stream import (
DingTalkStreamClient,
Credential,
AckMessage,
CallbackHandler,
CallbackMessage,
AckMessage,
Credential,
DingTalkStreamClient,
)
from dingtalk_stream.chatbot import ChatbotMessage
@@ -58,19 +62,32 @@ class NanobotDingTalkHandler(CallbackHandler):
if not content:
logger.warning(
f"Received empty or unsupported message type: {chatbot_msg.message_type}"
"Received empty or unsupported message type: {}",
chatbot_msg.message_type,
)
return AckMessage.STATUS_OK, "OK"
sender_id = chatbot_msg.sender_staff_id or chatbot_msg.sender_id
sender_name = chatbot_msg.sender_nick or "Unknown"
logger.info(f"Received DingTalk message from {sender_name} ({sender_id}): {content}")
conversation_type = message.data.get("conversationType")
conversation_id = (
message.data.get("conversationId")
or message.data.get("openConversationId")
)
logger.info("Received DingTalk message from {} ({}): {}", sender_name, sender_id, content)
# Forward to Nanobot via _on_message (non-blocking).
# Store reference to prevent GC before task completes.
task = asyncio.create_task(
self.channel._on_message(content, sender_id, sender_name)
self.channel._on_message(
content,
sender_id,
sender_name,
conversation_type,
conversation_id,
)
)
self.channel._background_tasks.add(task)
task.add_done_callback(self.channel._background_tasks.discard)
@@ -78,7 +95,7 @@ class NanobotDingTalkHandler(CallbackHandler):
return AckMessage.STATUS_OK, "OK"
except Exception as e:
logger.error(f"Error processing DingTalk message: {e}")
logger.error("Error processing DingTalk message: {}", e)
# Return OK to avoid retry loop from DingTalk server
return AckMessage.STATUS_OK, "Error"
@@ -90,11 +107,14 @@ class DingTalkChannel(BaseChannel):
Uses WebSocket to receive events via `dingtalk-stream` SDK.
Uses direct HTTP API to send messages (SDK is mainly for receiving).
Note: Currently only supports private (1:1) chat. Group messages are
received but replies are sent back as private messages to the sender.
Supports both private (1:1) and group chats.
Group chat_id is stored with a "group:" prefix to route replies back.
"""
name = "dingtalk"
_IMAGE_EXTS = {".jpg", ".jpeg", ".png", ".gif", ".bmp", ".webp"}
_AUDIO_EXTS = {".amr", ".mp3", ".wav", ".ogg", ".m4a", ".aac"}
_VIDEO_EXTS = {".mp4", ".mov", ".avi", ".mkv", ".webm"}
def __init__(self, config: DingTalkConfig, bus: MessageBus):
super().__init__(config, bus)
@@ -126,7 +146,8 @@ class DingTalkChannel(BaseChannel):
self._http = httpx.AsyncClient()
logger.info(
f"Initializing DingTalk Stream Client with Client ID: {self.config.client_id}..."
"Initializing DingTalk Stream Client with Client ID: {}...",
self.config.client_id,
)
credential = Credential(self.config.client_id, self.config.client_secret)
self._client = DingTalkStreamClient(credential)
@@ -142,13 +163,13 @@ class DingTalkChannel(BaseChannel):
try:
await self._client.start()
except Exception as e:
logger.warning(f"DingTalk stream error: {e}")
logger.warning("DingTalk stream error: {}", e)
if self._running:
logger.info("Reconnecting DingTalk stream in 5 seconds...")
await asyncio.sleep(5)
except Exception as e:
logger.exception(f"Failed to start DingTalk channel: {e}")
logger.exception("Failed to start DingTalk channel: {}", e)
async def stop(self) -> None:
"""Stop the DingTalk bot."""
@@ -186,60 +207,265 @@ class DingTalkChannel(BaseChannel):
self._token_expiry = time.time() + int(res_data.get("expireIn", 7200)) - 60
return self._access_token
except Exception as e:
logger.error(f"Failed to get DingTalk access token: {e}")
logger.error("Failed to get DingTalk access token: {}", e)
return None
@staticmethod
def _is_http_url(value: str) -> bool:
return urlparse(value).scheme in ("http", "https")
def _guess_upload_type(self, media_ref: str) -> str:
ext = Path(urlparse(media_ref).path).suffix.lower()
if ext in self._IMAGE_EXTS: return "image"
if ext in self._AUDIO_EXTS: return "voice"
if ext in self._VIDEO_EXTS: return "video"
return "file"
def _guess_filename(self, media_ref: str, upload_type: str) -> str:
name = os.path.basename(urlparse(media_ref).path)
return name or {"image": "image.jpg", "voice": "audio.amr", "video": "video.mp4"}.get(upload_type, "file.bin")
async def _read_media_bytes(
self,
media_ref: str,
) -> tuple[bytes | None, str | None, str | None]:
if not media_ref:
return None, None, None
if self._is_http_url(media_ref):
if not self._http:
return None, None, None
try:
resp = await self._http.get(media_ref, follow_redirects=True)
if resp.status_code >= 400:
logger.warning(
"DingTalk media download failed status={} ref={}",
resp.status_code,
media_ref,
)
return None, None, None
content_type = (resp.headers.get("content-type") or "").split(";")[0].strip()
filename = self._guess_filename(media_ref, self._guess_upload_type(media_ref))
return resp.content, filename, content_type or None
except Exception as e:
logger.error("DingTalk media download error ref={} err={}", media_ref, e)
return None, None, None
try:
if media_ref.startswith("file://"):
parsed = urlparse(media_ref)
local_path = Path(unquote(parsed.path))
else:
local_path = Path(os.path.expanduser(media_ref))
if not local_path.is_file():
logger.warning("DingTalk media file not found: {}", local_path)
return None, None, None
data = await asyncio.to_thread(local_path.read_bytes)
content_type = mimetypes.guess_type(local_path.name)[0]
return data, local_path.name, content_type
except Exception as e:
logger.error("DingTalk media read error ref={} err={}", media_ref, e)
return None, None, None
async def _upload_media(
self,
token: str,
data: bytes,
media_type: str,
filename: str,
content_type: str | None,
) -> str | None:
if not self._http:
return None
url = f"https://oapi.dingtalk.com/media/upload?access_token={token}&type={media_type}"
mime = content_type or mimetypes.guess_type(filename)[0] or "application/octet-stream"
files = {"media": (filename, data, mime)}
try:
resp = await self._http.post(url, files=files)
text = resp.text
result = resp.json() if resp.headers.get("content-type", "").startswith("application/json") else {}
if resp.status_code >= 400:
logger.error("DingTalk media upload failed status={} type={} body={}", resp.status_code, media_type, text[:500])
return None
errcode = result.get("errcode", 0)
if errcode != 0:
logger.error("DingTalk media upload api error type={} errcode={} body={}", media_type, errcode, text[:500])
return None
sub = result.get("result") or {}
media_id = result.get("media_id") or result.get("mediaId") or sub.get("media_id") or sub.get("mediaId")
if not media_id:
logger.error("DingTalk media upload missing media_id body={}", text[:500])
return None
return str(media_id)
except Exception as e:
logger.error("DingTalk media upload error type={} err={}", media_type, e)
return None
async def _send_batch_message(
self,
token: str,
chat_id: str,
msg_key: str,
msg_param: dict[str, Any],
) -> bool:
if not self._http:
logger.warning("DingTalk HTTP client not initialized, cannot send")
return False
headers = {"x-acs-dingtalk-access-token": token}
if chat_id.startswith("group:"):
# Group chat
url = "https://api.dingtalk.com/v1.0/robot/groupMessages/send"
payload = {
"robotCode": self.config.client_id,
"openConversationId": chat_id[6:], # Remove "group:" prefix,
"msgKey": msg_key,
"msgParam": json.dumps(msg_param, ensure_ascii=False),
}
else:
# Private chat
url = "https://api.dingtalk.com/v1.0/robot/oToMessages/batchSend"
payload = {
"robotCode": self.config.client_id,
"userIds": [chat_id],
"msgKey": msg_key,
"msgParam": json.dumps(msg_param, ensure_ascii=False),
}
try:
resp = await self._http.post(url, json=payload, headers=headers)
body = resp.text
if resp.status_code != 200:
logger.error("DingTalk send failed msgKey={} status={} body={}", msg_key, resp.status_code, body[:500])
return False
try: result = resp.json()
except Exception: result = {}
errcode = result.get("errcode")
if errcode not in (None, 0):
logger.error("DingTalk send api error msgKey={} errcode={} body={}", msg_key, errcode, body[:500])
return False
logger.debug("DingTalk message sent to {} with msgKey={}", chat_id, msg_key)
return True
except Exception as e:
logger.error("Error sending DingTalk message msgKey={} err={}", msg_key, e)
return False
async def _send_markdown_text(self, token: str, chat_id: str, content: str) -> bool:
return await self._send_batch_message(
token,
chat_id,
"sampleMarkdown",
{"text": content, "title": "Nanobot Reply"},
)
async def _send_media_ref(self, token: str, chat_id: str, media_ref: str) -> bool:
media_ref = (media_ref or "").strip()
if not media_ref:
return True
upload_type = self._guess_upload_type(media_ref)
if upload_type == "image" and self._is_http_url(media_ref):
ok = await self._send_batch_message(
token,
chat_id,
"sampleImageMsg",
{"photoURL": media_ref},
)
if ok:
return True
logger.warning("DingTalk image url send failed, trying upload fallback: {}", media_ref)
data, filename, content_type = await self._read_media_bytes(media_ref)
if not data:
logger.error("DingTalk media read failed: {}", media_ref)
return False
filename = filename or self._guess_filename(media_ref, upload_type)
file_type = Path(filename).suffix.lower().lstrip(".")
if not file_type:
guessed = mimetypes.guess_extension(content_type or "")
file_type = (guessed or ".bin").lstrip(".")
if file_type == "jpeg":
file_type = "jpg"
media_id = await self._upload_media(
token=token,
data=data,
media_type=upload_type,
filename=filename,
content_type=content_type,
)
if not media_id:
return False
if upload_type == "image":
# Verified in production: sampleImageMsg accepts media_id in photoURL.
ok = await self._send_batch_message(
token,
chat_id,
"sampleImageMsg",
{"photoURL": media_id},
)
if ok:
return True
logger.warning("DingTalk image media_id send failed, falling back to file: {}", media_ref)
return await self._send_batch_message(
token,
chat_id,
"sampleFile",
{"mediaId": media_id, "fileName": filename, "fileType": file_type},
)
async def send(self, msg: OutboundMessage) -> None:
"""Send a message through DingTalk."""
token = await self._get_access_token()
if not token:
return
# oToMessages/batchSend: sends to individual users (private chat)
# https://open.dingtalk.com/document/orgapp/robot-batch-send-messages
url = "https://api.dingtalk.com/v1.0/robot/oToMessages/batchSend"
if msg.content and msg.content.strip():
await self._send_markdown_text(token, msg.chat_id, msg.content.strip())
headers = {"x-acs-dingtalk-access-token": token}
for media_ref in msg.media or []:
ok = await self._send_media_ref(token, msg.chat_id, media_ref)
if ok:
continue
logger.error("DingTalk media send failed for {}", media_ref)
# Send visible fallback so failures are observable by the user.
filename = self._guess_filename(media_ref, self._guess_upload_type(media_ref))
await self._send_markdown_text(
token,
msg.chat_id,
f"[Attachment send failed: {filename}]",
)
data = {
"robotCode": self.config.client_id,
"userIds": [msg.chat_id], # chat_id is the user's staffId
"msgKey": "sampleMarkdown",
"msgParam": json.dumps({
"text": msg.content,
"title": "Nanobot Reply",
}),
}
if not self._http:
logger.warning("DingTalk HTTP client not initialized, cannot send")
return
try:
resp = await self._http.post(url, json=data, headers=headers)
if resp.status_code != 200:
logger.error(f"DingTalk send failed: {resp.text}")
else:
logger.debug(f"DingTalk message sent to {msg.chat_id}")
except Exception as e:
logger.error(f"Error sending DingTalk message: {e}")
async def _on_message(self, content: str, sender_id: str, sender_name: str) -> None:
async def _on_message(
self,
content: str,
sender_id: str,
sender_name: str,
conversation_type: str | None = None,
conversation_id: str | None = None,
) -> None:
"""Handle incoming message (called by NanobotDingTalkHandler).
Delegates to BaseChannel._handle_message() which enforces allow_from
permission checks before publishing to the bus.
"""
try:
logger.info(f"DingTalk inbound: {content} from {sender_name}")
logger.info("DingTalk inbound: {} from {}", content, sender_name)
is_group = conversation_type == "2" and conversation_id
chat_id = f"group:{conversation_id}" if is_group else sender_id
await self._handle_message(
sender_id=sender_id,
chat_id=sender_id, # For private chat, chat_id == sender_id
chat_id=chat_id,
content=str(content),
metadata={
"sender_name": sender_name,
"platform": "dingtalk",
"conversation_type": conversation_type,
},
)
except Exception as e:
logger.error(f"Error publishing DingTalk message: {e}")
logger.error("Error publishing DingTalk message: {}", e)

176
nanobot/channels/discord.py
View File

@@ -13,10 +13,11 @@ from nanobot.bus.events import OutboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.channels.base import BaseChannel
from nanobot.config.schema import DiscordConfig
from nanobot.utils.helpers import split_message
DISCORD_API_BASE = "https://discord.com/api/v10"
MAX_ATTACHMENT_BYTES = 20 * 1024 * 1024 # 20MB
MAX_MESSAGE_LEN = 2000 # Discord message character limit
class DiscordChannel(BaseChannel):
@@ -32,6 +33,7 @@ class DiscordChannel(BaseChannel):
self._heartbeat_task: asyncio.Task | None = None
self._typing_tasks: dict[str, asyncio.Task] = {}
self._http: httpx.AsyncClient | None = None
self._bot_user_id: str | None = None
async def start(self) -> None:
"""Start the Discord gateway connection."""
@@ -51,7 +53,7 @@ class DiscordChannel(BaseChannel):
except asyncio.CancelledError:
break
except Exception as e:
logger.warning(f"Discord gateway error: {e}")
logger.warning("Discord gateway error: {}", e)
if self._running:
logger.info("Reconnecting to Discord gateway in 5 seconds...")
await asyncio.sleep(5)
@@ -73,40 +75,118 @@ class DiscordChannel(BaseChannel):
self._http = None
async def send(self, msg: OutboundMessage) -> None:
"""Send a message through Discord REST API."""
"""Send a message through Discord REST API, including file attachments."""
if not self._http:
logger.warning("Discord HTTP client not initialized")
return
url = f"{DISCORD_API_BASE}/channels/{msg.chat_id}/messages"
payload: dict[str, Any] = {"content": msg.content}
if msg.reply_to:
payload["message_reference"] = {"message_id": msg.reply_to}
payload["allowed_mentions"] = {"replied_user": False}
headers = {"Authorization": f"Bot {self.config.token}"}
try:
for attempt in range(3):
try:
response = await self._http.post(url, headers=headers, json=payload)
if response.status_code == 429:
data = response.json()
retry_after = float(data.get("retry_after", 1.0))
logger.warning(f"Discord rate limited, retrying in {retry_after}s")
await asyncio.sleep(retry_after)
continue
response.raise_for_status()
return
except Exception as e:
if attempt == 2:
logger.error(f"Error sending Discord message: {e}")
else:
await asyncio.sleep(1)
sent_media = False
failed_media: list[str] = []
# Send file attachments first
for media_path in msg.media or []:
if await self._send_file(url, headers, media_path, reply_to=msg.reply_to):
sent_media = True
else:
failed_media.append(Path(media_path).name)
# Send text content
chunks = split_message(msg.content or "", MAX_MESSAGE_LEN)
if not chunks and failed_media and not sent_media:
chunks = split_message(
"\n".join(f"[attachment: {name} - send failed]" for name in failed_media),
MAX_MESSAGE_LEN,
)
if not chunks:
return
for i, chunk in enumerate(chunks):
payload: dict[str, Any] = {"content": chunk}
# Let the first successful attachment carry the reply if present.
if i == 0 and msg.reply_to and not sent_media:
payload["message_reference"] = {"message_id": msg.reply_to}
payload["allowed_mentions"] = {"replied_user": False}
if not await self._send_payload(url, headers, payload):
break # Abort remaining chunks on failure
finally:
await self._stop_typing(msg.chat_id)
async def _send_payload(
self, url: str, headers: dict[str, str], payload: dict[str, Any]
) -> bool:
"""Send a single Discord API payload with retry on rate-limit. Returns True on success."""
for attempt in range(3):
try:
response = await self._http.post(url, headers=headers, json=payload)
if response.status_code == 429:
data = response.json()
retry_after = float(data.get("retry_after", 1.0))
logger.warning("Discord rate limited, retrying in {}s", retry_after)
await asyncio.sleep(retry_after)
continue
response.raise_for_status()
return True
except Exception as e:
if attempt == 2:
logger.error("Error sending Discord message: {}", e)
else:
await asyncio.sleep(1)
return False
async def _send_file(
self,
url: str,
headers: dict[str, str],
file_path: str,
reply_to: str | None = None,
) -> bool:
"""Send a file attachment via Discord REST API using multipart/form-data."""
path = Path(file_path)
if not path.is_file():
logger.warning("Discord file not found, skipping: {}", file_path)
return False
if path.stat().st_size > MAX_ATTACHMENT_BYTES:
logger.warning("Discord file too large (>20MB), skipping: {}", path.name)
return False
payload_json: dict[str, Any] = {}
if reply_to:
payload_json["message_reference"] = {"message_id": reply_to}
payload_json["allowed_mentions"] = {"replied_user": False}
for attempt in range(3):
try:
with open(path, "rb") as f:
files = {"files[0]": (path.name, f, "application/octet-stream")}
data: dict[str, Any] = {}
if payload_json:
data["payload_json"] = json.dumps(payload_json)
response = await self._http.post(
url, headers=headers, files=files, data=data
)
if response.status_code == 429:
resp_data = response.json()
retry_after = float(resp_data.get("retry_after", 1.0))
logger.warning("Discord rate limited, retrying in {}s", retry_after)
await asyncio.sleep(retry_after)
continue
response.raise_for_status()
logger.info("Discord file sent: {}", path.name)
return True
except Exception as e:
if attempt == 2:
logger.error("Error sending Discord file {}: {}", path.name, e)
else:
await asyncio.sleep(1)
return False
async def _gateway_loop(self) -> None:
"""Main gateway loop: identify, heartbeat, dispatch events."""
if not self._ws:
@@ -116,7 +196,7 @@ class DiscordChannel(BaseChannel):
try:
data = json.loads(raw)
except json.JSONDecodeError:
logger.warning(f"Invalid JSON from Discord gateway: {raw[:100]}")
logger.warning("Invalid JSON from Discord gateway: {}", raw[:100])
continue
op = data.get("op")
@@ -134,6 +214,10 @@ class DiscordChannel(BaseChannel):
await self._identify()
elif op == 0 and event_type == "READY":
logger.info("Discord gateway READY")
# Capture bot user ID for mention detection
user_data = payload.get("user") or {}
self._bot_user_id = user_data.get("id")
logger.info("Discord bot connected as user {}", self._bot_user_id)
elif op == 0 and event_type == "MESSAGE_CREATE":
await self._handle_message_create(payload)
elif op == 7:
@@ -175,7 +259,7 @@ class DiscordChannel(BaseChannel):
try:
await self._ws.send(json.dumps(payload))
except Exception as e:
logger.warning(f"Discord heartbeat failed: {e}")
logger.warning("Discord heartbeat failed: {}", e)
break
await asyncio.sleep(interval_s)
@@ -190,6 +274,7 @@ class DiscordChannel(BaseChannel):
sender_id = str(author.get("id", ""))
channel_id = str(payload.get("channel_id", ""))
content = payload.get("content") or ""
guild_id = payload.get("guild_id")
if not sender_id or not channel_id:
return
@@ -197,6 +282,11 @@ class DiscordChannel(BaseChannel):
if not self.is_allowed(sender_id):
return
# Check group channel policy (DMs always respond if is_allowed passes)
if guild_id is not None:
if not self._should_respond_in_group(payload, content):
return
content_parts = [content] if content else []
media_paths: list[str] = []
media_dir = Path.home() / ".nanobot" / "media"
@@ -219,7 +309,7 @@ class DiscordChannel(BaseChannel):
media_paths.append(str(file_path))
content_parts.append(f"[attachment: {file_path}]")
except Exception as e:
logger.warning(f"Failed to download Discord attachment: {e}")
logger.warning("Failed to download Discord attachment: {}", e)
content_parts.append(f"[attachment: {filename} - download failed]")
reply_to = (payload.get("referenced_message") or {}).get("id")
@@ -233,11 +323,32 @@ class DiscordChannel(BaseChannel):
media=media_paths,
metadata={
"message_id": str(payload.get("id", "")),
"guild_id": payload.get("guild_id"),
"guild_id": guild_id,
"reply_to": reply_to,
},
)
def _should_respond_in_group(self, payload: dict[str, Any], content: str) -> bool:
"""Check if bot should respond in a group channel based on policy."""
if self.config.group_policy == "open":
return True
if self.config.group_policy == "mention":
# Check if bot was mentioned in the message
if self._bot_user_id:
# Check mentions array
mentions = payload.get("mentions") or []
for mention in mentions:
if str(mention.get("id")) == self._bot_user_id:
return True
# Also check content for mention format <@USER_ID>
if f"<@{self._bot_user_id}>" in content or f"<@!{self._bot_user_id}>" in content:
return True
logger.debug("Discord message in {} ignored (bot not mentioned)", payload.get("channel_id"))
return False
return True
async def _start_typing(self, channel_id: str) -> None:
"""Start periodic typing indicator for a channel."""
await self._stop_typing(channel_id)
@@ -248,8 +359,11 @@ class DiscordChannel(BaseChannel):
while self._running:
try:
await self._http.post(url, headers=headers)
except Exception:
pass
except asyncio.CancelledError:
return
except Exception as e:
logger.debug("Discord typing indicator failed for {}: {}", channel_id, e)
return
await asyncio.sleep(8)
self._typing_tasks[channel_id] = asyncio.create_task(typing_loop())

23
nanobot/channels/email.py
View File

@@ -94,7 +94,7 @@ class EmailChannel(BaseChannel):
metadata=item.get("metadata", {}),
)
except Exception as e:
logger.error(f"Email polling error: {e}")
logger.error("Email polling error: {}", e)
await asyncio.sleep(poll_seconds)
@@ -108,11 +108,6 @@ class EmailChannel(BaseChannel):
logger.warning("Skip email send: consent_granted is false")
return
force_send = bool((msg.metadata or {}).get("force_send"))
if not self.config.auto_reply_enabled and not force_send:
logger.info("Skip automatic email reply: auto_reply_enabled is false")
return
if not self.config.smtp_host:
logger.warning("Email channel SMTP host not configured")
return
@@ -122,6 +117,15 @@ class EmailChannel(BaseChannel):
logger.warning("Email channel missing recipient address")
return
# Determine if this is a reply (recipient has sent us an email before)
is_reply = to_addr in self._last_subject_by_chat
force_send = bool((msg.metadata or {}).get("force_send"))
# autoReplyEnabled only controls automatic replies, not proactive sends
if is_reply and not self.config.auto_reply_enabled and not force_send:
logger.info("Skip automatic email reply to {}: auto_reply_enabled is false", to_addr)
return
base_subject = self._last_subject_by_chat.get(to_addr, "nanobot reply")
subject = self._reply_subject(base_subject)
if msg.metadata and isinstance(msg.metadata.get("subject"), str):
@@ -143,7 +147,7 @@ class EmailChannel(BaseChannel):
try:
await asyncio.to_thread(self._smtp_send, email_msg)
except Exception as e:
logger.error(f"Error sending email to {to_addr}: {e}")
logger.error("Error sending email to {}: {}", to_addr, e)
raise
def _validate_config(self) -> bool:
@@ -162,7 +166,7 @@ class EmailChannel(BaseChannel):
missing.append("smtp_password")
if missing:
logger.error(f"Email channel not configured, missing: {', '.join(missing)}")
logger.error("Email channel not configured, missing: {}", ', '.join(missing))
return False
return True
@@ -304,7 +308,8 @@ class EmailChannel(BaseChannel):
self._processed_uids.add(uid)
# mark_seen is the primary dedup; this set is a safety net
if len(self._processed_uids) > self._MAX_PROCESSED_UIDS:
self._processed_uids.clear()
# Evict a random half to cap memory; mark_seen is the primary dedup
self._processed_uids = set(list(self._processed_uids)[len(self._processed_uids) // 2:])
if mark_seen:
client.store(imap_id, "+FLAGS", "\\Seen")

917
nanobot/channels/feishu.py
View File

File diff suppressed because it is too large Load Diff

103
nanobot/channels/manager.py
View File

@@ -16,24 +16,24 @@ from nanobot.config.schema import Config
class ChannelManager:
"""
Manages chat channels and coordinates message routing.
Responsibilities:
- Initialize enabled channels (Telegram, WhatsApp, etc.)
- Start/stop channels
- Route outbound messages
"""
def __init__(self, config: Config, bus: MessageBus):
self.config = config
self.bus = bus
self.channels: dict[str, BaseChannel] = {}
self._dispatch_task: asyncio.Task | None = None
self._init_channels()
def _init_channels(self) -> None:
"""Initialize channels based on config."""
# Telegram channel
if self.config.channels.telegram.enabled:
try:
@@ -45,8 +45,8 @@ class ChannelManager:
)
logger.info("Telegram channel enabled")
except ImportError as e:
logger.warning(f"Telegram channel not available: {e}")
logger.warning("Telegram channel not available: {}", e)
# WhatsApp channel
if self.config.channels.whatsapp.enabled:
try:
@@ -56,7 +56,7 @@ class ChannelManager:
)
logger.info("WhatsApp channel enabled")
except ImportError as e:
logger.warning(f"WhatsApp channel not available: {e}")
logger.warning("WhatsApp channel not available: {}", e)
# Discord channel
if self.config.channels.discord.enabled:
@@ -67,18 +67,19 @@ class ChannelManager:
)
logger.info("Discord channel enabled")
except ImportError as e:
logger.warning(f"Discord channel not available: {e}")
logger.warning("Discord channel not available: {}", e)
# Feishu channel
if self.config.channels.feishu.enabled:
try:
from nanobot.channels.feishu import FeishuChannel
self.channels["feishu"] = FeishuChannel(
self.config.channels.feishu, self.bus
self.config.channels.feishu, self.bus,
groq_api_key=self.config.providers.groq.api_key,
)
logger.info("Feishu channel enabled")
except ImportError as e:
logger.warning(f"Feishu channel not available: {e}")
logger.warning("Feishu channel not available: {}", e)
# Mochat channel
if self.config.channels.mochat.enabled:
@@ -90,7 +91,7 @@ class ChannelManager:
)
logger.info("Mochat channel enabled")
except ImportError as e:
logger.warning(f"Mochat channel not available: {e}")
logger.warning("Mochat channel not available: {}", e)
# DingTalk channel
if self.config.channels.dingtalk.enabled:
@@ -101,7 +102,7 @@ class ChannelManager:
)
logger.info("DingTalk channel enabled")
except ImportError as e:
logger.warning(f"DingTalk channel not available: {e}")
logger.warning("DingTalk channel not available: {}", e)
# Email channel
if self.config.channels.email.enabled:
@@ -112,7 +113,7 @@ class ChannelManager:
)
logger.info("Email channel enabled")
except ImportError as e:
logger.warning(f"Email channel not available: {e}")
logger.warning("Email channel not available: {}", e)
# Slack channel
if self.config.channels.slack.enabled:
@@ -123,7 +124,7 @@ class ChannelManager:
)
logger.info("Slack channel enabled")
except ImportError as e:
logger.warning(f"Slack channel not available: {e}")
logger.warning("Slack channel not available: {}", e)
# QQ channel
if self.config.channels.qq.enabled:
@@ -135,37 +136,59 @@ class ChannelManager:
)
logger.info("QQ channel enabled")
except ImportError as e:
logger.warning(f"QQ channel not available: {e}")
logger.warning("QQ channel not available: {}", e)
# Matrix channel
if self.config.channels.matrix.enabled:
try:
from nanobot.channels.matrix import MatrixChannel
self.channels["matrix"] = MatrixChannel(
self.config.channels.matrix,
self.bus,
)
logger.info("Matrix channel enabled")
except ImportError as e:
logger.warning("Matrix channel not available: {}", e)
self._validate_allow_from()
def _validate_allow_from(self) -> None:
for name, ch in self.channels.items():
if getattr(ch.config, "allow_from", None) == []:
raise SystemExit(
f'Error: "{name}" has empty allowFrom (denies all). '
f'Set ["*"] to allow everyone, or add specific user IDs.'
)
async def _start_channel(self, name: str, channel: BaseChannel) -> None:
"""Start a channel and log any exceptions."""
try:
await channel.start()
except Exception as e:
logger.error(f"Failed to start channel {name}: {e}")
logger.error("Failed to start channel {}: {}", name, e)
async def start_all(self) -> None:
"""Start all channels and the outbound dispatcher."""
if not self.channels:
logger.warning("No channels enabled")
return
# Start outbound dispatcher
self._dispatch_task = asyncio.create_task(self._dispatch_outbound())
# Start channels
tasks = []
for name, channel in self.channels.items():
logger.info(f"Starting {name} channel...")
logger.info("Starting {} channel...", name)
tasks.append(asyncio.create_task(self._start_channel(name, channel)))
# Wait for all to complete (they should run forever)
await asyncio.gather(*tasks, return_exceptions=True)
async def stop_all(self) -> None:
"""Stop all channels and the dispatcher."""
logger.info("Stopping all channels...")
# Stop dispatcher
if self._dispatch_task:
self._dispatch_task.cancel()
@@ -173,44 +196,50 @@ class ChannelManager:
await self._dispatch_task
except asyncio.CancelledError:
pass
# Stop all channels
for name, channel in self.channels.items():
try:
await channel.stop()
logger.info(f"Stopped {name} channel")
logger.info("Stopped {} channel", name)
except Exception as e:
logger.error(f"Error stopping {name}: {e}")
logger.error("Error stopping {}: {}", name, e)
async def _dispatch_outbound(self) -> None:
"""Dispatch outbound messages to the appropriate channel."""
logger.info("Outbound dispatcher started")
while True:
try:
msg = await asyncio.wait_for(
self.bus.consume_outbound(),
timeout=1.0
)
if msg.metadata.get("_progress"):
if msg.metadata.get("_tool_hint") and not self.config.channels.send_tool_hints:
continue
if not msg.metadata.get("_tool_hint") and not self.config.channels.send_progress:
continue
channel = self.channels.get(msg.channel)
if channel:
try:
await channel.send(msg)
except Exception as e:
logger.error(f"Error sending to {msg.channel}: {e}")
logger.error("Error sending to {}: {}", msg.channel, e)
else:
logger.warning(f"Unknown channel: {msg.channel}")
logger.warning("Unknown channel: {}", msg.channel)
except asyncio.TimeoutError:
continue
except asyncio.CancelledError:
break
def get_channel(self, name: str) -> BaseChannel | None:
"""Get a channel by name."""
return self.channels.get(name)
def get_status(self) -> dict[str, Any]:
"""Get status of all channels."""
return {
@@ -220,7 +249,7 @@ class ChannelManager:
}
for name, channel in self.channels.items()
}
@property
def enabled_channels(self) -> list[str]:
"""Get list of enabled channel names."""

699
nanobot/channels/matrix.py Normal file
View File

@@ -0,0 +1,699 @@
"""Matrix (Element) channel — inbound sync + outbound message/media delivery."""
import asyncio
import logging
import mimetypes
from pathlib import Path
from typing import Any, TypeAlias
from loguru import logger
try:
import nh3
from mistune import create_markdown
from nio import (
AsyncClient,
AsyncClientConfig,
ContentRepositoryConfigError,
DownloadError,
InviteEvent,
JoinError,
MatrixRoom,
MemoryDownloadResponse,
RoomEncryptedMedia,
RoomMessage,
RoomMessageMedia,
RoomMessageText,
RoomSendError,
RoomTypingError,
SyncError,
UploadError,
)
from nio.crypto.attachments import decrypt_attachment
from nio.exceptions import EncryptionError
except ImportError as e:
raise ImportError(
"Matrix dependencies not installed. Run: pip install nanobot-ai[matrix]"
) from e
from nanobot.bus.events import OutboundMessage
from nanobot.channels.base import BaseChannel
from nanobot.config.loader import get_data_dir
from nanobot.utils.helpers import safe_filename
TYPING_NOTICE_TIMEOUT_MS = 30_000
# Must stay below TYPING_NOTICE_TIMEOUT_MS so the indicator doesn't expire mid-processing.
TYPING_KEEPALIVE_INTERVAL_MS = 20_000
MATRIX_HTML_FORMAT = "org.matrix.custom.html"
_ATTACH_MARKER = "[attachment: {}]"
_ATTACH_TOO_LARGE = "[attachment: {} - too large]"
_ATTACH_FAILED = "[attachment: {} - download failed]"
_ATTACH_UPLOAD_FAILED = "[attachment: {} - upload failed]"
_DEFAULT_ATTACH_NAME = "attachment"
_MSGTYPE_MAP = {"m.image": "image", "m.audio": "audio", "m.video": "video", "m.file": "file"}
MATRIX_MEDIA_EVENT_FILTER = (RoomMessageMedia, RoomEncryptedMedia)
MatrixMediaEvent: TypeAlias = RoomMessageMedia | RoomEncryptedMedia
MATRIX_MARKDOWN = create_markdown(
escape=True,
plugins=["table", "strikethrough", "url", "superscript", "subscript"],
)
MATRIX_ALLOWED_HTML_TAGS = {
"p", "a", "strong", "em", "del", "code", "pre", "blockquote",
"ul", "ol", "li", "h1", "h2", "h3", "h4", "h5", "h6",
"hr", "br", "table", "thead", "tbody", "tr", "th", "td",
"caption", "sup", "sub", "img",
}
MATRIX_ALLOWED_HTML_ATTRIBUTES: dict[str, set[str]] = {
"a": {"href"}, "code": {"class"}, "ol": {"start"},
"img": {"src", "alt", "title", "width", "height"},
}
MATRIX_ALLOWED_URL_SCHEMES = {"https", "http", "matrix", "mailto", "mxc"}
def _filter_matrix_html_attribute(tag: str, attr: str, value: str) -> str | None:
"""Filter attribute values to a safe Matrix-compatible subset."""
if tag == "a" and attr == "href":
return value if value.lower().startswith(("https://", "http://", "matrix:", "mailto:")) else None
if tag == "img" and attr == "src":
return value if value.lower().startswith("mxc://") else None
if tag == "code" and attr == "class":
classes = [c for c in value.split() if c.startswith("language-") and not c.startswith("language-_")]
return " ".join(classes) if classes else None
return value
MATRIX_HTML_CLEANER = nh3.Cleaner(
tags=MATRIX_ALLOWED_HTML_TAGS,
attributes=MATRIX_ALLOWED_HTML_ATTRIBUTES,
attribute_filter=_filter_matrix_html_attribute,
url_schemes=MATRIX_ALLOWED_URL_SCHEMES,
strip_comments=True,
link_rel="noopener noreferrer",
)
def _render_markdown_html(text: str) -> str | None:
"""Render markdown to sanitized HTML; returns None for plain text."""
try:
formatted = MATRIX_HTML_CLEANER.clean(MATRIX_MARKDOWN(text)).strip()
except Exception:
return None
if not formatted:
return None
# Skip formatted_body for plain <p>text</p> to keep payload minimal.
if formatted.startswith("<p>") and formatted.endswith("</p>"):
inner = formatted[3:-4]
if "<" not in inner and ">" not in inner:
return None
return formatted
def _build_matrix_text_content(text: str) -> dict[str, object]:
"""Build Matrix m.text payload with optional HTML formatted_body."""
content: dict[str, object] = {"msgtype": "m.text", "body": text, "m.mentions": {}}
if html := _render_markdown_html(text):
content["format"] = MATRIX_HTML_FORMAT
content["formatted_body"] = html
return content
class _NioLoguruHandler(logging.Handler):
"""Route matrix-nio stdlib logs into Loguru."""
def emit(self, record: logging.LogRecord) -> None:
try:
level = logger.level(record.levelname).name
except ValueError:
level = record.levelno
frame, depth = logging.currentframe(), 2
while frame and frame.f_code.co_filename == logging.__file__:
frame, depth = frame.f_back, depth + 1
logger.opt(depth=depth, exception=record.exc_info).log(level, record.getMessage())
def _configure_nio_logging_bridge() -> None:
"""Bridge matrix-nio logs to Loguru (idempotent)."""
nio_logger = logging.getLogger("nio")
if not any(isinstance(h, _NioLoguruHandler) for h in nio_logger.handlers):
nio_logger.handlers = [_NioLoguruHandler()]
nio_logger.propagate = False
class MatrixChannel(BaseChannel):
"""Matrix (Element) channel using long-polling sync."""
name = "matrix"
def __init__(self, config: Any, bus, *, restrict_to_workspace: bool = False,
workspace: Path | None = None):
super().__init__(config, bus)
self.client: AsyncClient | None = None
self._sync_task: asyncio.Task | None = None
self._typing_tasks: dict[str, asyncio.Task] = {}
self._restrict_to_workspace = restrict_to_workspace
self._workspace = workspace.expanduser().resolve() if workspace else None
self._server_upload_limit_bytes: int | None = None
self._server_upload_limit_checked = False
async def start(self) -> None:
"""Start Matrix client and begin sync loop."""
self._running = True
_configure_nio_logging_bridge()
store_path = get_data_dir() / "matrix-store"
store_path.mkdir(parents=True, exist_ok=True)
self.client = AsyncClient(
homeserver=self.config.homeserver, user=self.config.user_id,
store_path=store_path,
config=AsyncClientConfig(store_sync_tokens=True, encryption_enabled=self.config.e2ee_enabled),
)
self.client.user_id = self.config.user_id
self.client.access_token = self.config.access_token
self.client.device_id = self.config.device_id
self._register_event_callbacks()
self._register_response_callbacks()
if not self.config.e2ee_enabled:
logger.warning("Matrix E2EE disabled; encrypted rooms may be undecryptable.")
if self.config.device_id:
try:
self.client.load_store()
except Exception:
logger.exception("Matrix store load failed; restart may replay recent messages.")
else:
logger.warning("Matrix device_id empty; restart may replay recent messages.")
self._sync_task = asyncio.create_task(self._sync_loop())
async def stop(self) -> None:
"""Stop the Matrix channel with graceful sync shutdown."""
self._running = False
for room_id in list(self._typing_tasks):
await self._stop_typing_keepalive(room_id, clear_typing=False)
if self.client:
self.client.stop_sync_forever()
if self._sync_task:
try:
await asyncio.wait_for(asyncio.shield(self._sync_task),
timeout=self.config.sync_stop_grace_seconds)
except (asyncio.TimeoutError, asyncio.CancelledError):
self._sync_task.cancel()
try:
await self._sync_task
except asyncio.CancelledError:
pass
if self.client:
await self.client.close()
def _is_workspace_path_allowed(self, path: Path) -> bool:
"""Check path is inside workspace (when restriction enabled)."""
if not self._restrict_to_workspace or not self._workspace:
return True
try:
path.resolve(strict=False).relative_to(self._workspace)
return True
except ValueError:
return False
def _collect_outbound_media_candidates(self, media: list[str]) -> list[Path]:
"""Deduplicate and resolve outbound attachment paths."""
seen: set[str] = set()
candidates: list[Path] = []
for raw in media:
if not isinstance(raw, str) or not raw.strip():
continue
path = Path(raw.strip()).expanduser()
try:
key = str(path.resolve(strict=False))
except OSError:
key = str(path)
if key not in seen:
seen.add(key)
candidates.append(path)
return candidates
@staticmethod
def _build_outbound_attachment_content(
*, filename: str, mime: str, size_bytes: int,
mxc_url: str, encryption_info: dict[str, Any] | None = None,
) -> dict[str, Any]:
"""Build Matrix content payload for an uploaded file/image/audio/video."""
prefix = mime.split("/")[0]
msgtype = {"image": "m.image", "audio": "m.audio", "video": "m.video"}.get(prefix, "m.file")
content: dict[str, Any] = {
"msgtype": msgtype, "body": filename, "filename": filename,
"info": {"mimetype": mime, "size": size_bytes}, "m.mentions": {},
}
if encryption_info:
content["file"] = {**encryption_info, "url": mxc_url}
else:
content["url"] = mxc_url
return content
def _is_encrypted_room(self, room_id: str) -> bool:
if not self.client:
return False
room = getattr(self.client, "rooms", {}).get(room_id)
return bool(getattr(room, "encrypted", False))
async def _send_room_content(self, room_id: str, content: dict[str, Any]) -> None:
"""Send m.room.message with E2EE options."""
if not self.client:
return
kwargs: dict[str, Any] = {"room_id": room_id, "message_type": "m.room.message", "content": content}
if self.config.e2ee_enabled:
kwargs["ignore_unverified_devices"] = True
await self.client.room_send(**kwargs)
async def _resolve_server_upload_limit_bytes(self) -> int | None:
"""Query homeserver upload limit once per channel lifecycle."""
if self._server_upload_limit_checked:
return self._server_upload_limit_bytes
self._server_upload_limit_checked = True
if not self.client:
return None
try:
response = await self.client.content_repository_config()
except Exception:
return None
upload_size = getattr(response, "upload_size", None)
if isinstance(upload_size, int) and upload_size > 0:
self._server_upload_limit_bytes = upload_size
return upload_size
return None
async def _effective_media_limit_bytes(self) -> int:
"""min(local config, server advertised) — 0 blocks all uploads."""
local_limit = max(int(self.config.max_media_bytes), 0)
server_limit = await self._resolve_server_upload_limit_bytes()
if server_limit is None:
return local_limit
return min(local_limit, server_limit) if local_limit else 0
async def _upload_and_send_attachment(
self, room_id: str, path: Path, limit_bytes: int,
relates_to: dict[str, Any] | None = None,
) -> str | None:
"""Upload one local file to Matrix and send it as a media message. Returns failure marker or None."""
if not self.client:
return _ATTACH_UPLOAD_FAILED.format(path.name or _DEFAULT_ATTACH_NAME)
resolved = path.expanduser().resolve(strict=False)
filename = safe_filename(resolved.name) or _DEFAULT_ATTACH_NAME
fail = _ATTACH_UPLOAD_FAILED.format(filename)
if not resolved.is_file() or not self._is_workspace_path_allowed(resolved):
return fail
try:
size_bytes = resolved.stat().st_size
except OSError:
return fail
if limit_bytes <= 0 or size_bytes > limit_bytes:
return _ATTACH_TOO_LARGE.format(filename)
mime = mimetypes.guess_type(filename, strict=False)[0] or "application/octet-stream"
try:
with resolved.open("rb") as f:
upload_result = await self.client.upload(
f, content_type=mime, filename=filename,
encrypt=self.config.e2ee_enabled and self._is_encrypted_room(room_id),
filesize=size_bytes,
)
except Exception:
return fail
upload_response = upload_result[0] if isinstance(upload_result, tuple) else upload_result
encryption_info = upload_result[1] if isinstance(upload_result, tuple) and isinstance(upload_result[1], dict) else None
if isinstance(upload_response, UploadError):
return fail
mxc_url = getattr(upload_response, "content_uri", None)
if not isinstance(mxc_url, str) or not mxc_url.startswith("mxc://"):
return fail
content = self._build_outbound_attachment_content(
filename=filename, mime=mime, size_bytes=size_bytes,
mxc_url=mxc_url, encryption_info=encryption_info,
)
if relates_to:
content["m.relates_to"] = relates_to
try:
await self._send_room_content(room_id, content)
except Exception:
return fail
return None
async def send(self, msg: OutboundMessage) -> None:
"""Send outbound content; clear typing for non-progress messages."""
if not self.client:
return
text = msg.content or ""
candidates = self._collect_outbound_media_candidates(msg.media)
relates_to = self._build_thread_relates_to(msg.metadata)
is_progress = bool((msg.metadata or {}).get("_progress"))
try:
failures: list[str] = []
if candidates:
limit_bytes = await self._effective_media_limit_bytes()
for path in candidates:
if fail := await self._upload_and_send_attachment(
room_id=msg.chat_id,
path=path,
limit_bytes=limit_bytes,
relates_to=relates_to,
):
failures.append(fail)
if failures:
text = f"{text.rstrip()}\n{chr(10).join(failures)}" if text.strip() else "\n".join(failures)
if text or not candidates:
content = _build_matrix_text_content(text)
if relates_to:
content["m.relates_to"] = relates_to
await self._send_room_content(msg.chat_id, content)
finally:
if not is_progress:
await self._stop_typing_keepalive(msg.chat_id, clear_typing=True)
def _register_event_callbacks(self) -> None:
self.client.add_event_callback(self._on_message, RoomMessageText)
self.client.add_event_callback(self._on_media_message, MATRIX_MEDIA_EVENT_FILTER)
self.client.add_event_callback(self._on_room_invite, InviteEvent)
def _register_response_callbacks(self) -> None:
self.client.add_response_callback(self._on_sync_error, SyncError)
self.client.add_response_callback(self._on_join_error, JoinError)
self.client.add_response_callback(self._on_send_error, RoomSendError)
def _log_response_error(self, label: str, response: Any) -> None:
"""Log Matrix response errors — auth errors at ERROR level, rest at WARNING."""
code = getattr(response, "status_code", None)
is_auth = code in {"M_UNKNOWN_TOKEN", "M_FORBIDDEN", "M_UNAUTHORIZED"}
is_fatal = is_auth or getattr(response, "soft_logout", False)
(logger.error if is_fatal else logger.warning)("Matrix {} failed: {}", label, response)
async def _on_sync_error(self, response: SyncError) -> None:
self._log_response_error("sync", response)
async def _on_join_error(self, response: JoinError) -> None:
self._log_response_error("join", response)
async def _on_send_error(self, response: RoomSendError) -> None:
self._log_response_error("send", response)
async def _set_typing(self, room_id: str, typing: bool) -> None:
"""Best-effort typing indicator update."""
if not self.client:
return
try:
response = await self.client.room_typing(room_id=room_id, typing_state=typing,
timeout=TYPING_NOTICE_TIMEOUT_MS)
if isinstance(response, RoomTypingError):
logger.debug("Matrix typing failed for {}: {}", room_id, response)
except Exception:
pass
async def _start_typing_keepalive(self, room_id: str) -> None:
"""Start periodic typing refresh (spec-recommended keepalive)."""
await self._stop_typing_keepalive(room_id, clear_typing=False)
await self._set_typing(room_id, True)
if not self._running:
return
async def loop() -> None:
try:
while self._running:
await asyncio.sleep(TYPING_KEEPALIVE_INTERVAL_MS / 1000)
await self._set_typing(room_id, True)
except asyncio.CancelledError:
pass
self._typing_tasks[room_id] = asyncio.create_task(loop())
async def _stop_typing_keepalive(self, room_id: str, *, clear_typing: bool) -> None:
if task := self._typing_tasks.pop(room_id, None):
task.cancel()
try:
await task
except asyncio.CancelledError:
pass
if clear_typing:
await self._set_typing(room_id, False)
async def _sync_loop(self) -> None:
while self._running:
try:
await self.client.sync_forever(timeout=30000, full_state=True)
except asyncio.CancelledError:
break
except Exception:
await asyncio.sleep(2)
async def _on_room_invite(self, room: MatrixRoom, event: InviteEvent) -> None:
if self.is_allowed(event.sender):
await self.client.join(room.room_id)
def _is_direct_room(self, room: MatrixRoom) -> bool:
count = getattr(room, "member_count", None)
return isinstance(count, int) and count <= 2
def _is_bot_mentioned(self, event: RoomMessage) -> bool:
"""Check m.mentions payload for bot mention."""
source = getattr(event, "source", None)
if not isinstance(source, dict):
return False
mentions = (source.get("content") or {}).get("m.mentions")
if not isinstance(mentions, dict):
return False
user_ids = mentions.get("user_ids")
if isinstance(user_ids, list) and self.config.user_id in user_ids:
return True
return bool(self.config.allow_room_mentions and mentions.get("room") is True)
def _should_process_message(self, room: MatrixRoom, event: RoomMessage) -> bool:
"""Apply sender and room policy checks."""
if not self.is_allowed(event.sender):
return False
if self._is_direct_room(room):
return True
policy = self.config.group_policy
if policy == "open":
return True
if policy == "allowlist":
return room.room_id in (self.config.group_allow_from or [])
if policy == "mention":
return self._is_bot_mentioned(event)
return False
def _media_dir(self) -> Path:
d = get_data_dir() / "media" / "matrix"
d.mkdir(parents=True, exist_ok=True)
return d
@staticmethod
def _event_source_content(event: RoomMessage) -> dict[str, Any]:
source = getattr(event, "source", None)
if not isinstance(source, dict):
return {}
content = source.get("content")
return content if isinstance(content, dict) else {}
def _event_thread_root_id(self, event: RoomMessage) -> str | None:
relates_to = self._event_source_content(event).get("m.relates_to")
if not isinstance(relates_to, dict) or relates_to.get("rel_type") != "m.thread":
return None
root_id = relates_to.get("event_id")
return root_id if isinstance(root_id, str) and root_id else None
def _thread_metadata(self, event: RoomMessage) -> dict[str, str] | None:
if not (root_id := self._event_thread_root_id(event)):
return None
meta: dict[str, str] = {"thread_root_event_id": root_id}
if isinstance(reply_to := getattr(event, "event_id", None), str) and reply_to:
meta["thread_reply_to_event_id"] = reply_to
return meta
@staticmethod
def _build_thread_relates_to(metadata: dict[str, Any] | None) -> dict[str, Any] | None:
if not metadata:
return None
root_id = metadata.get("thread_root_event_id")
if not isinstance(root_id, str) or not root_id:
return None
reply_to = metadata.get("thread_reply_to_event_id") or metadata.get("event_id")
if not isinstance(reply_to, str) or not reply_to:
return None
return {"rel_type": "m.thread", "event_id": root_id,
"m.in_reply_to": {"event_id": reply_to}, "is_falling_back": True}
def _event_attachment_type(self, event: MatrixMediaEvent) -> str:
msgtype = self._event_source_content(event).get("msgtype")
return _MSGTYPE_MAP.get(msgtype, "file")
@staticmethod
def _is_encrypted_media_event(event: MatrixMediaEvent) -> bool:
return (isinstance(getattr(event, "key", None), dict)
and isinstance(getattr(event, "hashes", None), dict)
and isinstance(getattr(event, "iv", None), str))
def _event_declared_size_bytes(self, event: MatrixMediaEvent) -> int | None:
info = self._event_source_content(event).get("info")
size = info.get("size") if isinstance(info, dict) else None
return size if isinstance(size, int) and size >= 0 else None
def _event_mime(self, event: MatrixMediaEvent) -> str | None:
info = self._event_source_content(event).get("info")
if isinstance(info, dict) and isinstance(m := info.get("mimetype"), str) and m:
return m
m = getattr(event, "mimetype", None)
return m if isinstance(m, str) and m else None
def _event_filename(self, event: MatrixMediaEvent, attachment_type: str) -> str:
body = getattr(event, "body", None)
if isinstance(body, str) and body.strip():
if candidate := safe_filename(Path(body).name):
return candidate
return _DEFAULT_ATTACH_NAME if attachment_type == "file" else attachment_type
def _build_attachment_path(self, event: MatrixMediaEvent, attachment_type: str,
filename: str, mime: str | None) -> Path:
safe_name = safe_filename(Path(filename).name) or _DEFAULT_ATTACH_NAME
suffix = Path(safe_name).suffix
if not suffix and mime:
if guessed := mimetypes.guess_extension(mime, strict=False):
safe_name, suffix = f"{safe_name}{guessed}", guessed
stem = (Path(safe_name).stem or attachment_type)[:72]
suffix = suffix[:16]
event_id = safe_filename(str(getattr(event, "event_id", "") or "evt").lstrip("$"))
event_prefix = (event_id[:24] or "evt").strip("_")
return self._media_dir() / f"{event_prefix}_{stem}{suffix}"
async def _download_media_bytes(self, mxc_url: str) -> bytes | None:
if not self.client:
return None
response = await self.client.download(mxc=mxc_url)
if isinstance(response, DownloadError):
logger.warning("Matrix download failed for {}: {}", mxc_url, response)
return None
body = getattr(response, "body", None)
if isinstance(body, (bytes, bytearray)):
return bytes(body)
if isinstance(response, MemoryDownloadResponse):
return bytes(response.body)
if isinstance(body, (str, Path)):
path = Path(body)
if path.is_file():
try:
return path.read_bytes()
except OSError:
return None
return None
def _decrypt_media_bytes(self, event: MatrixMediaEvent, ciphertext: bytes) -> bytes | None:
key_obj, hashes, iv = getattr(event, "key", None), getattr(event, "hashes", None), getattr(event, "iv", None)
key = key_obj.get("k") if isinstance(key_obj, dict) else None
sha256 = hashes.get("sha256") if isinstance(hashes, dict) else None
if not all(isinstance(v, str) for v in (key, sha256, iv)):
return None
try:
return decrypt_attachment(ciphertext, key, sha256, iv)
except (EncryptionError, ValueError, TypeError):
logger.warning("Matrix decrypt failed for event {}", getattr(event, "event_id", ""))
return None
async def _fetch_media_attachment(
self, room: MatrixRoom, event: MatrixMediaEvent,
) -> tuple[dict[str, Any] | None, str]:
"""Download, decrypt if needed, and persist a Matrix attachment."""
atype = self._event_attachment_type(event)
mime = self._event_mime(event)
filename = self._event_filename(event, atype)
mxc_url = getattr(event, "url", None)
fail = _ATTACH_FAILED.format(filename)
if not isinstance(mxc_url, str) or not mxc_url.startswith("mxc://"):
return None, fail
limit_bytes = await self._effective_media_limit_bytes()
declared = self._event_declared_size_bytes(event)
if declared is not None and declared > limit_bytes:
return None, _ATTACH_TOO_LARGE.format(filename)
downloaded = await self._download_media_bytes(mxc_url)
if downloaded is None:
return None, fail
encrypted = self._is_encrypted_media_event(event)
data = downloaded
if encrypted:
if (data := self._decrypt_media_bytes(event, downloaded)) is None:
return None, fail
if len(data) > limit_bytes:
return None, _ATTACH_TOO_LARGE.format(filename)
path = self._build_attachment_path(event, atype, filename, mime)
try:
path.write_bytes(data)
except OSError:
return None, fail
attachment = {
"type": atype, "mime": mime, "filename": filename,
"event_id": str(getattr(event, "event_id", "") or ""),
"encrypted": encrypted, "size_bytes": len(data),
"path": str(path), "mxc_url": mxc_url,
}
return attachment, _ATTACH_MARKER.format(path)
def _base_metadata(self, room: MatrixRoom, event: RoomMessage) -> dict[str, Any]:
"""Build common metadata for text and media handlers."""
meta: dict[str, Any] = {"room": getattr(room, "display_name", room.room_id)}
if isinstance(eid := getattr(event, "event_id", None), str) and eid:
meta["event_id"] = eid
if thread := self._thread_metadata(event):
meta.update(thread)
return meta
async def _on_message(self, room: MatrixRoom, event: RoomMessageText) -> None:
if event.sender == self.config.user_id or not self._should_process_message(room, event):
return
await self._start_typing_keepalive(room.room_id)
try:
await self._handle_message(
sender_id=event.sender, chat_id=room.room_id,
content=event.body, metadata=self._base_metadata(room, event),
)
except Exception:
await self._stop_typing_keepalive(room.room_id, clear_typing=True)
raise
async def _on_media_message(self, room: MatrixRoom, event: MatrixMediaEvent) -> None:
if event.sender == self.config.user_id or not self._should_process_message(room, event):
return
attachment, marker = await self._fetch_media_attachment(room, event)
parts: list[str] = []
if isinstance(body := getattr(event, "body", None), str) and body.strip():
parts.append(body.strip())
if marker:
parts.append(marker)
await self._start_typing_keepalive(room.room_id)
try:
meta = self._base_metadata(room, event)
meta["attachments"] = []
if attachment:
meta["attachments"] = [attachment]
await self._handle_message(
sender_id=event.sender, chat_id=room.room_id,
content="\n".join(parts),
media=[attachment["path"]] if attachment else [],
metadata=meta,
)
except Exception:
await self._stop_typing_keepalive(room.room_id, clear_typing=True)
raise

24
nanobot/channels/mochat.py
View File

@@ -322,7 +322,7 @@ class MochatChannel(BaseChannel):
await self._api_send("/api/claw/sessions/send", "sessionId", target.id,
content, msg.reply_to)
except Exception as e:
logger.error(f"Failed to send Mochat message: {e}")
logger.error("Failed to send Mochat message: {}", e)
# ---- config / init helpers ---------------------------------------------
@@ -380,7 +380,7 @@ class MochatChannel(BaseChannel):
@client.event
async def connect_error(data: Any) -> None:
logger.error(f"Mochat websocket connect error: {data}")
logger.error("Mochat websocket connect error: {}", data)
@client.on("claw.session.events")
async def on_session_events(payload: dict[str, Any]) -> None:
@@ -407,7 +407,7 @@ class MochatChannel(BaseChannel):
)
return True
except Exception as e:
logger.error(f"Failed to connect Mochat websocket: {e}")
logger.error("Failed to connect Mochat websocket: {}", e)
try:
await client.disconnect()
except Exception:
@@ -444,7 +444,7 @@ class MochatChannel(BaseChannel):
"limit": self.config.watch_limit,
})
if not ack.get("result"):
logger.error(f"Mochat subscribeSessions failed: {ack.get('message', 'unknown error')}")
logger.error("Mochat subscribeSessions failed: {}", ack.get('message', 'unknown error'))
return False
data = ack.get("data")
@@ -466,7 +466,7 @@ class MochatChannel(BaseChannel):
return True
ack = await self._socket_call("com.claw.im.subscribePanels", {"panelIds": panel_ids})
if not ack.get("result"):
logger.error(f"Mochat subscribePanels failed: {ack.get('message', 'unknown error')}")
logger.error("Mochat subscribePanels failed: {}", ack.get('message', 'unknown error'))
return False
return True
@@ -488,7 +488,7 @@ class MochatChannel(BaseChannel):
try:
await self._refresh_targets(subscribe_new=self._ws_ready)
except Exception as e:
logger.warning(f"Mochat refresh failed: {e}")
logger.warning("Mochat refresh failed: {}", e)
if self._fallback_mode:
await self._ensure_fallback_workers()
@@ -502,7 +502,7 @@ class MochatChannel(BaseChannel):
try:
response = await self._post_json("/api/claw/sessions/list", {})
except Exception as e:
logger.warning(f"Mochat listSessions failed: {e}")
logger.warning("Mochat listSessions failed: {}", e)
return
sessions = response.get("sessions")
@@ -536,7 +536,7 @@ class MochatChannel(BaseChannel):
try:
response = await self._post_json("/api/claw/groups/get", {})
except Exception as e:
logger.warning(f"Mochat getWorkspaceGroup failed: {e}")
logger.warning("Mochat getWorkspaceGroup failed: {}", e)
return
raw_panels = response.get("panels")
@@ -598,7 +598,7 @@ class MochatChannel(BaseChannel):
except asyncio.CancelledError:
break
except Exception as e:
logger.warning(f"Mochat watch fallback error ({session_id}): {e}")
logger.warning("Mochat watch fallback error ({}): {}", session_id, e)
await asyncio.sleep(max(0.1, self.config.retry_delay_ms / 1000.0))
async def _panel_poll_worker(self, panel_id: str) -> None:
@@ -625,7 +625,7 @@ class MochatChannel(BaseChannel):
except asyncio.CancelledError:
break
except Exception as e:
logger.warning(f"Mochat panel polling error ({panel_id}): {e}")
logger.warning("Mochat panel polling error ({}): {}", panel_id, e)
await asyncio.sleep(sleep_s)
# ---- inbound event processing ------------------------------------------
@@ -836,7 +836,7 @@ class MochatChannel(BaseChannel):
try:
data = json.loads(self._cursor_path.read_text("utf-8"))
except Exception as e:
logger.warning(f"Failed to read Mochat cursor file: {e}")
logger.warning("Failed to read Mochat cursor file: {}", e)
return
cursors = data.get("cursors") if isinstance(data, dict) else None
if isinstance(cursors, dict):
@@ -852,7 +852,7 @@ class MochatChannel(BaseChannel):
"cursors": self._session_cursor,
}, ensure_ascii=False, indent=2) + "\n", "utf-8")
except Exception as e:
logger.warning(f"Failed to save Mochat cursor file: {e}")
logger.warning("Failed to save Mochat cursor file: {}", e)
# ---- HTTP helpers ------------------------------------------------------

84
nanobot/channels/qq.py
View File

@@ -13,16 +13,17 @@ from nanobot.config.schema import QQConfig
try:
import botpy
from botpy.message import C2CMessage
from botpy.message import C2CMessage, GroupMessage
QQ_AVAILABLE = True
except ImportError:
QQ_AVAILABLE = False
botpy = None
C2CMessage = None
GroupMessage = None
if TYPE_CHECKING:
from botpy.message import C2CMessage
from botpy.message import C2CMessage, GroupMessage
def _make_bot_class(channel: "QQChannel") -> "type[botpy.Client]":
@@ -31,16 +32,20 @@ def _make_bot_class(channel: "QQChannel") -> "type[botpy.Client]":
class _Bot(botpy.Client):
def __init__(self):
super().__init__(intents=intents)
# Disable botpy's file log — nanobot uses loguru; default "botpy.log" fails on read-only fs
super().__init__(intents=intents, ext_handlers=False)
async def on_ready(self):
logger.info(f"QQ bot ready: {self.robot.name}")
logger.info("QQ bot ready: {}", self.robot.name)
async def on_c2c_message_create(self, message: "C2CMessage"):
await channel._on_message(message)
await channel._on_message(message, is_group=False)
async def on_group_at_message_create(self, message: "GroupMessage"):
await channel._on_message(message, is_group=True)
async def on_direct_message_create(self, message):
await channel._on_message(message)
await channel._on_message(message, is_group=False)
return _Bot
@@ -55,7 +60,8 @@ class QQChannel(BaseChannel):
self.config: QQConfig = config
self._client: "botpy.Client | None" = None
self._processed_ids: deque = deque(maxlen=1000)
self._bot_task: asyncio.Task | None = None
self._msg_seq: int = 1 # 消息序列号，避免被 QQ API 去重
self._chat_type_cache: dict[str, str] = {}
async def start(self) -> None:
"""Start the QQ bot."""
@@ -70,9 +76,8 @@ class QQChannel(BaseChannel):
self._running = True
BotClass = _make_bot_class(self)
self._client = BotClass()
self._bot_task = asyncio.create_task(self._run_bot())
logger.info("QQ bot started (C2C private message)")
logger.info("QQ bot started (C2C & Group supported)")
await self._run_bot()
async def _run_bot(self) -> None:
"""Run the bot connection with auto-reconnect."""
@@ -80,7 +85,7 @@ class QQChannel(BaseChannel):
try:
await self._client.start(appid=self.config.app_id, secret=self.config.secret)
except Exception as e:
logger.warning(f"QQ bot error: {e}")
logger.warning("QQ bot error: {}", e)
if self._running:
logger.info("Reconnecting QQ bot in 5 seconds...")
await asyncio.sleep(5)
@@ -88,11 +93,10 @@ class QQChannel(BaseChannel):
async def stop(self) -> None:
"""Stop the QQ bot."""
self._running = False
if self._bot_task:
self._bot_task.cancel()
if self._client:
try:
await self._bot_task
except asyncio.CancelledError:
await self._client.close()
except Exception:
pass
logger.info("QQ bot stopped")
@@ -101,16 +105,31 @@ class QQChannel(BaseChannel):
if not self._client:
logger.warning("QQ client not initialized")
return
try:
await self._client.api.post_c2c_message(
openid=msg.chat_id,
msg_type=0,
content=msg.content,
)
except Exception as e:
logger.error(f"Error sending QQ message: {e}")
async def _on_message(self, data: "C2CMessage") -> None:
try:
msg_id = msg.metadata.get("message_id")
self._msg_seq += 1
msg_type = self._chat_type_cache.get(msg.chat_id, "c2c")
if msg_type == "group":
await self._client.api.post_group_message(
group_openid=msg.chat_id,
msg_type=0,
content=msg.content,
msg_id=msg_id,
msg_seq=self._msg_seq,
)
else:
await self._client.api.post_c2c_message(
openid=msg.chat_id,
msg_type=0,
content=msg.content,
msg_id=msg_id,
msg_seq=self._msg_seq,
)
except Exception as e:
logger.error("Error sending QQ message: {}", e)
async def _on_message(self, data: "C2CMessage | GroupMessage", is_group: bool = False) -> None:
"""Handle incoming message from QQ."""
try:
# Dedup by message ID
@@ -118,17 +137,24 @@ class QQChannel(BaseChannel):
return
self._processed_ids.append(data.id)
author = data.author
user_id = str(getattr(author, 'id', None) or getattr(author, 'user_openid', 'unknown'))
content = (data.content or "").strip()
if not content:
return
if is_group:
chat_id = data.group_openid
user_id = data.author.member_openid
self._chat_type_cache[chat_id] = "group"
else:
chat_id = str(getattr(data.author, 'id', None) or getattr(data.author, 'user_openid', 'unknown'))
user_id = chat_id
self._chat_type_cache[chat_id] = "c2c"
await self._handle_message(
sender_id=user_id,
chat_id=user_id,
chat_id=chat_id,
content=content,
metadata={"message_id": data.id},
)
except Exception as e:
logger.error(f"Error handling QQ message: {e}")
except Exception:
logger.exception("Error handling QQ message")

130
nanobot/channels/slack.py
View File

@@ -5,10 +5,11 @@ import re
from typing import Any
from loguru import logger
from slack_sdk.socket_mode.websockets import SocketModeClient
from slack_sdk.socket_mode.request import SocketModeRequest
from slack_sdk.socket_mode.response import SocketModeResponse
from slack_sdk.socket_mode.websockets import SocketModeClient
from slack_sdk.web.async_client import AsyncWebClient
from slackify_markdown import slackify_markdown
from nanobot.bus.events import OutboundMessage
from nanobot.bus.queue import MessageBus
@@ -34,7 +35,7 @@ class SlackChannel(BaseChannel):
logger.error("Slack bot/app token not configured")
return
if self.config.mode != "socket":
logger.error(f"Unsupported Slack mode: {self.config.mode}")
logger.error("Unsupported Slack mode: {}", self.config.mode)
return
self._running = True
@@ -51,9 +52,9 @@ class SlackChannel(BaseChannel):
try:
auth = await self._web_client.auth_test()
self._bot_user_id = auth.get("user_id")
logger.info(f"Slack bot connected as {self._bot_user_id}")
logger.info("Slack bot connected as {}", self._bot_user_id)
except Exception as e:
logger.warning(f"Slack auth_test failed: {e}")
logger.warning("Slack auth_test failed: {}", e)
logger.info("Starting Slack Socket Mode client...")
await self._socket_client.connect()
@@ -68,7 +69,7 @@ class SlackChannel(BaseChannel):
try:
await self._socket_client.close()
except Exception as e:
logger.warning(f"Slack socket close failed: {e}")
logger.warning("Slack socket close failed: {}", e)
self._socket_client = None
async def send(self, msg: OutboundMessage) -> None:
@@ -81,14 +82,28 @@ class SlackChannel(BaseChannel):
thread_ts = slack_meta.get("thread_ts")
channel_type = slack_meta.get("channel_type")
# Only reply in thread for channel/group messages; DMs don't use threads
use_thread = thread_ts and channel_type != "im"
await self._web_client.chat_postMessage(
channel=msg.chat_id,
text=msg.content or "<empty_response_from_the_bot>",
thread_ts=thread_ts if use_thread else None,
)
thread_ts_param = thread_ts if use_thread else None
# Slack rejects empty text payloads. Keep media-only messages media-only,
# but send a single blank message when the bot has no text or files to send.
if msg.content or not (msg.media or []):
await self._web_client.chat_postMessage(
channel=msg.chat_id,
text=self._to_mrkdwn(msg.content) if msg.content else " ",
thread_ts=thread_ts_param,
)
for media_path in msg.media or []:
try:
await self._web_client.files_upload_v2(
channel=msg.chat_id,
file=media_path,
thread_ts=thread_ts_param,
)
except Exception as e:
logger.error("Failed to upload file {}: {}", media_path, e)
except Exception as e:
logger.error(f"Error sending Slack message: {e}")
logger.error("Error sending Slack message: {}", e)
async def _on_socket_request(
self,
@@ -150,30 +165,39 @@ class SlackChannel(BaseChannel):
text = self._strip_bot_mention(text)
thread_ts = event.get("thread_ts") or event.get("ts")
thread_ts = event.get("thread_ts")
if self.config.reply_in_thread and not thread_ts:
thread_ts = event.get("ts")
# Add :eyes: reaction to the triggering message (best-effort)
try:
if self._web_client and event.get("ts"):
await self._web_client.reactions_add(
channel=chat_id,
name="eyes",
name=self.config.react_emoji,
timestamp=event.get("ts"),
)
except Exception as e:
logger.debug(f"Slack reactions_add failed: {e}")
logger.debug("Slack reactions_add failed: {}", e)
await self._handle_message(
sender_id=sender_id,
chat_id=chat_id,
content=text,
metadata={
"slack": {
"event": event,
"thread_ts": thread_ts,
"channel_type": channel_type,
}
},
)
# Thread-scoped session key for channel/group messages
session_key = f"slack:{chat_id}:{thread_ts}" if thread_ts and channel_type != "im" else None
try:
await self._handle_message(
sender_id=sender_id,
chat_id=chat_id,
content=text,
metadata={
"slack": {
"event": event,
"thread_ts": thread_ts,
"channel_type": channel_type,
},
},
session_key=session_key,
)
except Exception:
logger.exception("Error handling Slack message from {}", sender_id)
def _is_allowed(self, sender_id: str, chat_id: str, channel_type: str) -> bool:
if channel_type == "im":
@@ -203,3 +227,55 @@ class SlackChannel(BaseChannel):
if not text or not self._bot_user_id:
return text
return re.sub(rf"<@{re.escape(self._bot_user_id)}>\s*", "", text).strip()
_TABLE_RE = re.compile(r"(?m)^\|.*\|$(?:\n\|[\s:|-]*\|$)(?:\n\|.*\|$)*")
_CODE_FENCE_RE = re.compile(r"```[\s\S]*?```")
_INLINE_CODE_RE = re.compile(r"`[^`]+`")
_LEFTOVER_BOLD_RE = re.compile(r"\*\*(.+?)\*\*")
_LEFTOVER_HEADER_RE = re.compile(r"^#{1,6}\s+(.+)$", re.MULTILINE)
_BARE_URL_RE = re.compile(r"(?<![|<])(https?://\S+)")
@classmethod
def _to_mrkdwn(cls, text: str) -> str:
"""Convert Markdown to Slack mrkdwn, including tables."""
if not text:
return ""
text = cls._TABLE_RE.sub(cls._convert_table, text)
return cls._fixup_mrkdwn(slackify_markdown(text))
@classmethod
def _fixup_mrkdwn(cls, text: str) -> str:
"""Fix markdown artifacts that slackify_markdown misses."""
code_blocks: list[str] = []
def _save_code(m: re.Match) -> str:
code_blocks.append(m.group(0))
return f"\x00CB{len(code_blocks) - 1}\x00"
text = cls._CODE_FENCE_RE.sub(_save_code, text)
text = cls._INLINE_CODE_RE.sub(_save_code, text)
text = cls._LEFTOVER_BOLD_RE.sub(r"*\1*", text)
text = cls._LEFTOVER_HEADER_RE.sub(r"*\1*", text)
text = cls._BARE_URL_RE.sub(lambda m: m.group(0).replace("&amp;", "&"), text)
for i, block in enumerate(code_blocks):
text = text.replace(f"\x00CB{i}\x00", block)
return text
@staticmethod
def _convert_table(match: re.Match) -> str:
"""Convert a Markdown table to a Slack-readable list."""
lines = [ln.strip() for ln in match.group(0).strip().splitlines() if ln.strip()]
if len(lines) < 2:
return match.group(0)
headers = [h.strip() for h in lines[0].strip("|").split("|")]
start = 2 if re.fullmatch(r"[|\s:\-]+", lines[1]) else 1
rows: list[str] = []
for line in lines[start:]:
cells = [c.strip() for c in line.strip("|").split("|")]
cells = (cells + [""] * len(headers))[: len(headers)]
parts = [f"**{headers[i]}**: {cells[i]}" for i in range(len(headers)) if cells[i]]
if parts:
rows.append(" · ".join(parts))
return "\n".join(rows)

525
nanobot/channels/telegram.py
View File

@@ -4,15 +4,62 @@ from __future__ import annotations
import asyncio
import re
import time
import unicodedata
from loguru import logger
from telegram import BotCommand, Update
from telegram.ext import Application, CommandHandler, MessageHandler, filters, ContextTypes
from telegram import BotCommand, ReplyParameters, Update
from telegram.ext import Application, CommandHandler, ContextTypes, MessageHandler, filters
from telegram.request import HTTPXRequest
from nanobot.bus.events import OutboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.channels.base import BaseChannel
from nanobot.config.schema import TelegramConfig
from nanobot.utils.helpers import split_message
TELEGRAM_MAX_MESSAGE_LEN = 4000 # Telegram message character limit
def _strip_md(s: str) -> str:
"""Strip markdown inline formatting from text."""
s = re.sub(r'\*\*(.+?)\*\*', r'\1', s)
s = re.sub(r'__(.+?)__', r'\1', s)
s = re.sub(r'~~(.+?)~~', r'\1', s)
s = re.sub(r'`([^`]+)`', r'\1', s)
return s.strip()
def _render_table_box(table_lines: list[str]) -> str:
"""Convert markdown pipe-table to compact aligned text for <pre> display."""
def dw(s: str) -> int:
return sum(2 if unicodedata.east_asian_width(c) in ('W', 'F') else 1 for c in s)
rows: list[list[str]] = []
has_sep = False
for line in table_lines:
cells = [_strip_md(c) for c in line.strip().strip('|').split('|')]
if all(re.match(r'^:?-+:?$', c) for c in cells if c):
has_sep = True
continue
rows.append(cells)
if not rows or not has_sep:
return '\n'.join(table_lines)
ncols = max(len(r) for r in rows)
for r in rows:
r.extend([''] * (ncols - len(r)))
widths = [max(dw(r[c]) for r in rows) for c in range(ncols)]
def dr(cells: list[str]) -> str:
return ' '.join(f'{c}{" " * (w - dw(c))}' for c, w in zip(cells, widths))
out = [dr(rows[0])]
out.append(' '.join('─' * w for w in widths))
for row in rows[1:]:
out.append(dr(row))
return '\n'.join(out)
def _markdown_to_telegram_html(text: str) -> str:
@@ -21,79 +68,101 @@ def _markdown_to_telegram_html(text: str) -> str:
"""
if not text:
return ""
# 1. Extract and protect code blocks (preserve content from other processing)
code_blocks: list[str] = []
def save_code_block(m: re.Match) -> str:
code_blocks.append(m.group(1))
return f"\x00CB{len(code_blocks) - 1}\x00"
text = re.sub(r'```[\w]*\n?([\s\S]*?)```', save_code_block, text)
# 1.5. Convert markdown tables to box-drawing (reuse code_block placeholders)
lines = text.split('\n')
rebuilt: list[str] = []
li = 0
while li < len(lines):
if re.match(r'^\s*\|.+\|', lines[li]):
tbl: list[str] = []
while li < len(lines) and re.match(r'^\s*\|.+\|', lines[li]):
tbl.append(lines[li])
li += 1
box = _render_table_box(tbl)
if box != '\n'.join(tbl):
code_blocks.append(box)
rebuilt.append(f"\x00CB{len(code_blocks) - 1}\x00")
else:
rebuilt.extend(tbl)
else:
rebuilt.append(lines[li])
li += 1
text = '\n'.join(rebuilt)
# 2. Extract and protect inline code
inline_codes: list[str] = []
def save_inline_code(m: re.Match) -> str:
inline_codes.append(m.group(1))
return f"\x00IC{len(inline_codes) - 1}\x00"
text = re.sub(r'`([^`]+)`', save_inline_code, text)
# 3. Headers # Title -> just the title text
text = re.sub(r'^#{1,6}\s+(.+)$', r'\1', text, flags=re.MULTILINE)
# 4. Blockquotes > text -> just the text (before HTML escaping)
text = re.sub(r'^>\s*(.*)$', r'\1', text, flags=re.MULTILINE)
# 5. Escape HTML special characters
text = text.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;")
# 6. Links [text](url) - must be before bold/italic to handle nested cases
text = re.sub(r'\[([^\]]+)\]\(([^)]+)\)', r'<a href="\2">\1</a>', text)
# 7. Bold **text** or __text__
text = re.sub(r'\*\*(.+?)\*\*', r'<b>\1</b>', text)
text = re.sub(r'__(.+?)__', r'<b>\1</b>', text)
# 8. Italic _text_ (avoid matching inside words like some_var_name)
text = re.sub(r'(?<![a-zA-Z0-9])_([^_]+)_(?![a-zA-Z0-9])', r'<i>\1</i>', text)
# 9. Strikethrough ~~text~~
text = re.sub(r'~~(.+?)~~', r'<s>\1</s>', text)
# 10. Bullet lists - item -> • item
text = re.sub(r'^[-*]\s+', '• ', text, flags=re.MULTILINE)
# 11. Restore inline code with HTML tags
for i, code in enumerate(inline_codes):
# Escape HTML in code content
escaped = code.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;")
text = text.replace(f"\x00IC{i}\x00", f"<code>{escaped}</code>")
# 12. Restore code blocks with HTML tags
for i, code in enumerate(code_blocks):
# Escape HTML in code content
escaped = code.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;")
text = text.replace(f"\x00CB{i}\x00", f"<pre><code>{escaped}</code></pre>")
return text
class TelegramChannel(BaseChannel):
"""
Telegram channel using long polling.
Simple and reliable - no webhook/public IP needed.
"""
name = "telegram"
# Commands registered with Telegram's command menu
BOT_COMMANDS = [
BotCommand("start", "Start the bot"),
BotCommand("new", "Start a new conversation"),
BotCommand("stop", "Stop the current task"),
BotCommand("help", "Show available commands"),
]
def __init__(
self,
config: TelegramConfig,
@@ -106,163 +175,345 @@ class TelegramChannel(BaseChannel):
self._app: Application | None = None
self._chat_ids: dict[str, int] = {} # Map sender_id to chat_id for replies
self._typing_tasks: dict[str, asyncio.Task] = {} # chat_id -> typing loop task
self._media_group_buffers: dict[str, dict] = {}
self._media_group_tasks: dict[str, asyncio.Task] = {}
self._message_threads: dict[tuple[str, int], int] = {}
def is_allowed(self, sender_id: str) -> bool:
"""Preserve Telegram's legacy id|username allowlist matching."""
if super().is_allowed(sender_id):
return True
allow_list = getattr(self.config, "allow_from", [])
if not allow_list or "*" in allow_list:
return False
sender_str = str(sender_id)
if sender_str.count("|") != 1:
return False
sid, username = sender_str.split("|", 1)
if not sid.isdigit() or not username:
return False
return sid in allow_list or username in allow_list
async def start(self) -> None:
"""Start the Telegram bot with long polling."""
if not self.config.token:
logger.error("Telegram bot token not configured")
return
self._running = True
# Build the application with larger connection pool to avoid pool-timeout on long runs
req = HTTPXRequest(connection_pool_size=16, pool_timeout=5.0, connect_timeout=30.0, read_timeout=30.0)
req = HTTPXRequest(
connection_pool_size=16,
pool_timeout=5.0,
connect_timeout=30.0,
read_timeout=30.0,
proxy=self.config.proxy if self.config.proxy else None,
)
builder = Application.builder().token(self.config.token).request(req).get_updates_request(req)
if self.config.proxy:
builder = builder.proxy(self.config.proxy).get_updates_proxy(self.config.proxy)
self._app = builder.build()
self._app.add_error_handler(self._on_error)
# Add command handlers
self._app.add_handler(CommandHandler("start", self._on_start))
self._app.add_handler(CommandHandler("new", self._forward_command))
self._app.add_handler(CommandHandler("help", self._forward_command))
self._app.add_handler(CommandHandler("stop", self._forward_command))
self._app.add_handler(CommandHandler("help", self._on_help))
# Add message handler for text, photos, voice, documents
self._app.add_handler(
MessageHandler(
(filters.TEXT | filters.PHOTO | filters.VOICE | filters.AUDIO | filters.Document.ALL)
& ~filters.COMMAND,
(filters.TEXT | filters.PHOTO | filters.VOICE | filters.AUDIO | filters.Document.ALL)
& ~filters.COMMAND,
self._on_message
)
)
logger.info("Starting Telegram bot (polling mode)...")
# Initialize and start polling
await self._app.initialize()
await self._app.start()
# Get bot info and register command menu
bot_info = await self._app.bot.get_me()
logger.info(f"Telegram bot @{bot_info.username} connected")
logger.info("Telegram bot @{} connected", bot_info.username)
try:
await self._app.bot.set_my_commands(self.BOT_COMMANDS)
logger.debug("Telegram bot commands registered")
except Exception as e:
logger.warning(f"Failed to register bot commands: {e}")
logger.warning("Failed to register bot commands: {}", e)
# Start polling (this runs until stopped)
await self._app.updater.start_polling(
allowed_updates=["message"],
drop_pending_updates=True # Ignore old messages on startup
)
# Keep running until stopped
while self._running:
await asyncio.sleep(1)
async def stop(self) -> None:
"""Stop the Telegram bot."""
self._running = False
# Cancel all typing indicators
for chat_id in list(self._typing_tasks):
self._stop_typing(chat_id)
for task in self._media_group_tasks.values():
task.cancel()
self._media_group_tasks.clear()
self._media_group_buffers.clear()
if self._app:
logger.info("Stopping Telegram bot...")
await self._app.updater.stop()
await self._app.stop()
await self._app.shutdown()
self._app = None
@staticmethod
def _get_media_type(path: str) -> str:
"""Guess media type from file extension."""
ext = path.rsplit(".", 1)[-1].lower() if "." in path else ""
if ext in ("jpg", "jpeg", "png", "gif", "webp"):
return "photo"
if ext == "ogg":
return "voice"
if ext in ("mp3", "m4a", "wav", "aac"):
return "audio"
return "document"
async def send(self, msg: OutboundMessage) -> None:
"""Send a message through Telegram."""
if not self._app:
logger.warning("Telegram bot not running")
return
# Stop typing indicator for this chat
self._stop_typing(msg.chat_id)
# Only stop typing indicator for final responses
if not msg.metadata.get("_progress", False):
self._stop_typing(msg.chat_id)
try:
# chat_id should be the Telegram chat ID (integer)
chat_id = int(msg.chat_id)
# Convert markdown to Telegram HTML
html_content = _markdown_to_telegram_html(msg.content)
await self._app.bot.send_message(
chat_id=chat_id,
text=html_content,
parse_mode="HTML"
)
except ValueError:
logger.error(f"Invalid chat_id: {msg.chat_id}")
logger.error("Invalid chat_id: {}", msg.chat_id)
return
reply_to_message_id = msg.metadata.get("message_id")
message_thread_id = msg.metadata.get("message_thread_id")
if message_thread_id is None and reply_to_message_id is not None:
message_thread_id = self._message_threads.get((msg.chat_id, reply_to_message_id))
thread_kwargs = {}
if message_thread_id is not None:
thread_kwargs["message_thread_id"] = message_thread_id
reply_params = None
if self.config.reply_to_message:
if reply_to_message_id:
reply_params = ReplyParameters(
message_id=reply_to_message_id,
allow_sending_without_reply=True
)
# Send media files
for media_path in (msg.media or []):
try:
media_type = self._get_media_type(media_path)
sender = {
"photo": self._app.bot.send_photo,
"voice": self._app.bot.send_voice,
"audio": self._app.bot.send_audio,
}.get(media_type, self._app.bot.send_document)
param = "photo" if media_type == "photo" else media_type if media_type in ("voice", "audio") else "document"
with open(media_path, 'rb') as f:
await sender(
chat_id=chat_id,
**{param: f},
reply_parameters=reply_params,
**thread_kwargs,
)
except Exception as e:
filename = media_path.rsplit("/", 1)[-1]
logger.error("Failed to send media {}: {}", media_path, e)
await self._app.bot.send_message(
chat_id=chat_id,
text=f"[Failed to send: {filename}]",
reply_parameters=reply_params,
**thread_kwargs,
)
# Send text content
if msg.content and msg.content != "[empty message]":
is_progress = msg.metadata.get("_progress", False)
for chunk in split_message(msg.content, TELEGRAM_MAX_MESSAGE_LEN):
# Final response: simulate streaming via draft, then persist
if not is_progress:
await self._send_with_streaming(chat_id, chunk, reply_params, thread_kwargs)
else:
await self._send_text(chat_id, chunk, reply_params, thread_kwargs)
async def _send_text(
self,
chat_id: int,
text: str,
reply_params=None,
thread_kwargs: dict | None = None,
) -> None:
"""Send a plain text message with HTML fallback."""
try:
html = _markdown_to_telegram_html(text)
await self._app.bot.send_message(
chat_id=chat_id, text=html, parse_mode="HTML",
reply_parameters=reply_params,
**(thread_kwargs or {}),
)
except Exception as e:
# Fallback to plain text if HTML parsing fails
logger.warning(f"HTML parse failed, falling back to plain text: {e}")
logger.warning("HTML parse failed, falling back to plain text: {}", e)
try:
await self._app.bot.send_message(
chat_id=int(msg.chat_id),
text=msg.content
chat_id=chat_id,
text=text,
reply_parameters=reply_params,
**(thread_kwargs or {}),
)
except Exception as e2:
logger.error(f"Error sending Telegram message: {e2}")
logger.error("Error sending Telegram message: {}", e2)
async def _send_with_streaming(
self,
chat_id: int,
text: str,
reply_params=None,
thread_kwargs: dict | None = None,
) -> None:
"""Simulate streaming via send_message_draft, then persist with send_message."""
draft_id = int(time.time() * 1000) % (2**31)
try:
step = max(len(text) // 8, 40)
for i in range(step, len(text), step):
await self._app.bot.send_message_draft(
chat_id=chat_id, draft_id=draft_id, text=text[:i],
)
await asyncio.sleep(0.04)
await self._app.bot.send_message_draft(
chat_id=chat_id, draft_id=draft_id, text=text,
)
await asyncio.sleep(0.15)
except Exception:
pass
await self._send_text(chat_id, text, reply_params, thread_kwargs)
async def _on_start(self, update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
"""Handle /start command."""
if not update.message or not update.effective_user:
return
user = update.effective_user
await update.message.reply_text(
f"👋 Hi {user.first_name}! I'm nanobot.\n\n"
"Send me a message and I'll respond!\n"
"Type /help to see available commands."
)
async def _on_help(self, update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
"""Handle /help command, bypassing ACL so all users can access it."""
if not update.message:
return
await update.message.reply_text(
"🐈 nanobot commands:\n"
"/new — Start a new conversation\n"
"/stop — Stop the current task\n"
"/help — Show available commands"
)
@staticmethod
def _sender_id(user) -> str:
"""Build sender_id with username for allowlist matching."""
sid = str(user.id)
return f"{sid}|{user.username}" if user.username else sid
@staticmethod
def _derive_topic_session_key(message) -> str | None:
"""Derive topic-scoped session key for non-private Telegram chats."""
message_thread_id = getattr(message, "message_thread_id", None)
if message.chat.type == "private" or message_thread_id is None:
return None
return f"telegram:{message.chat_id}:topic:{message_thread_id}"
@staticmethod
def _build_message_metadata(message, user) -> dict:
"""Build common Telegram inbound metadata payload."""
return {
"message_id": message.message_id,
"user_id": user.id,
"username": user.username,
"first_name": user.first_name,
"is_group": message.chat.type != "private",
"message_thread_id": getattr(message, "message_thread_id", None),
"is_forum": bool(getattr(message.chat, "is_forum", False)),
}
def _remember_thread_context(self, message) -> None:
"""Cache topic thread id by chat/message id for follow-up replies."""
message_thread_id = getattr(message, "message_thread_id", None)
if message_thread_id is None:
return
key = (str(message.chat_id), message.message_id)
self._message_threads[key] = message_thread_id
if len(self._message_threads) > 1000:
self._message_threads.pop(next(iter(self._message_threads)))
async def _forward_command(self, update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
"""Forward slash commands to the bus for unified handling in AgentLoop."""
if not update.message or not update.effective_user:
return
message = update.message
user = update.effective_user
self._remember_thread_context(message)
await self._handle_message(
sender_id=str(update.effective_user.id),
chat_id=str(update.message.chat_id),
content=update.message.text,
sender_id=self._sender_id(user),
chat_id=str(message.chat_id),
content=message.text,
metadata=self._build_message_metadata(message, user),
session_key=self._derive_topic_session_key(message),
)
async def _on_message(self, update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
"""Handle incoming messages (text, photos, voice, documents)."""
if not update.message or not update.effective_user:
return
message = update.message
user = update.effective_user
chat_id = message.chat_id
# Use stable numeric ID, but keep username for allowlist compatibility
sender_id = str(user.id)
if user.username:
sender_id = f"{sender_id}|{user.username}"
sender_id = self._sender_id(user)
self._remember_thread_context(message)
# Store chat_id for replies
self._chat_ids[sender_id] = chat_id
# Build content from text and/or media
content_parts = []
media_paths = []
# Text content
if message.text:
content_parts.append(message.text)
if message.caption:
content_parts.append(message.caption)
# Handle media files
media_file = None
media_type = None
if message.photo:
media_file = message.photo[-1] # Largest photo
media_type = "image"
@@ -275,77 +526,112 @@ class TelegramChannel(BaseChannel):
elif message.document:
media_file = message.document
media_type = "file"
# Download media if present
if media_file and self._app:
try:
file = await self._app.bot.get_file(media_file.file_id)
ext = self._get_extension(media_type, getattr(media_file, 'mime_type', None))
ext = self._get_extension(
media_type,
getattr(media_file, 'mime_type', None),
getattr(media_file, 'file_name', None),
)
# Save to workspace/media/
from pathlib import Path
media_dir = Path.home() / ".nanobot" / "media"
media_dir.mkdir(parents=True, exist_ok=True)
file_path = media_dir / f"{media_file.file_id[:16]}{ext}"
await file.download_to_drive(str(file_path))
media_paths.append(str(file_path))
# Handle voice transcription
if media_type == "voice" or media_type == "audio":
from nanobot.providers.transcription import GroqTranscriptionProvider
transcriber = GroqTranscriptionProvider(api_key=self.groq_api_key)
transcription = await transcriber.transcribe(file_path)
if transcription:
logger.info(f"Transcribed {media_type}: {transcription[:50]}...")
logger.info("Transcribed {}: {}...", media_type, transcription[:50])
content_parts.append(f"[transcription: {transcription}]")
else:
content_parts.append(f"[{media_type}: {file_path}]")
else:
content_parts.append(f"[{media_type}: {file_path}]")
logger.debug(f"Downloaded {media_type} to {file_path}")
logger.debug("Downloaded {} to {}", media_type, file_path)
except Exception as e:
logger.error(f"Failed to download media: {e}")
logger.error("Failed to download media: {}", e)
content_parts.append(f"[{media_type}: download failed]")
content = "\n".join(content_parts) if content_parts else "[empty message]"
logger.debug(f"Telegram message from {sender_id}: {content[:50]}...")
logger.debug("Telegram message from {}: {}...", sender_id, content[:50])
str_chat_id = str(chat_id)
metadata = self._build_message_metadata(message, user)
session_key = self._derive_topic_session_key(message)
# Telegram media groups: buffer briefly, forward as one aggregated turn.
if media_group_id := getattr(message, "media_group_id", None):
key = f"{str_chat_id}:{media_group_id}"
if key not in self._media_group_buffers:
self._media_group_buffers[key] = {
"sender_id": sender_id, "chat_id": str_chat_id,
"contents": [], "media": [],
"metadata": metadata,
"session_key": session_key,
}
self._start_typing(str_chat_id)
buf = self._media_group_buffers[key]
if content and content != "[empty message]":
buf["contents"].append(content)
buf["media"].extend(media_paths)
if key not in self._media_group_tasks:
self._media_group_tasks[key] = asyncio.create_task(self._flush_media_group(key))
return
# Start typing indicator before processing
self._start_typing(str_chat_id)
# Forward to the message bus
await self._handle_message(
sender_id=sender_id,
chat_id=str_chat_id,
content=content,
media=media_paths,
metadata={
"message_id": message.message_id,
"user_id": user.id,
"username": user.username,
"first_name": user.first_name,
"is_group": message.chat.type != "private"
}
metadata=metadata,
session_key=session_key,
)
async def _flush_media_group(self, key: str) -> None:
"""Wait briefly, then forward buffered media-group as one turn."""
try:
await asyncio.sleep(0.6)
if not (buf := self._media_group_buffers.pop(key, None)):
return
content = "\n".join(buf["contents"]) or "[empty message]"
await self._handle_message(
sender_id=buf["sender_id"], chat_id=buf["chat_id"],
content=content, media=list(dict.fromkeys(buf["media"])),
metadata=buf["metadata"],
session_key=buf.get("session_key"),
)
finally:
self._media_group_tasks.pop(key, None)
def _start_typing(self, chat_id: str) -> None:
"""Start sending 'typing...' indicator for a chat."""
# Cancel any existing typing task for this chat
self._stop_typing(chat_id)
self._typing_tasks[chat_id] = asyncio.create_task(self._typing_loop(chat_id))
def _stop_typing(self, chat_id: str) -> None:
"""Stop the typing indicator for a chat."""
task = self._typing_tasks.pop(chat_id, None)
if task and not task.done():
task.cancel()
async def _typing_loop(self, chat_id: str) -> None:
"""Repeatedly send 'typing' action until cancelled."""
try:
@@ -355,14 +641,19 @@ class TelegramChannel(BaseChannel):
except asyncio.CancelledError:
pass
except Exception as e:
logger.debug(f"Typing indicator stopped for {chat_id}: {e}")
logger.debug("Typing indicator stopped for {}: {}", chat_id, e)
async def _on_error(self, update: object, context: ContextTypes.DEFAULT_TYPE) -> None:
"""Log polling / handler errors instead of silently swallowing them."""
logger.error(f"Telegram error: {context.error}")
logger.error("Telegram error: {}", context.error)
def _get_extension(self, media_type: str, mime_type: str | None) -> str:
"""Get file extension based on media type."""
def _get_extension(
self,
media_type: str,
mime_type: str | None,
filename: str | None = None,
) -> str:
"""Get file extension based on media type or original filename."""
if mime_type:
ext_map = {
"image/jpeg": ".jpg", "image/png": ".png", "image/gif": ".gif",
@@ -370,6 +661,14 @@ class TelegramChannel(BaseChannel):
}
if mime_type in ext_map:
return ext_map[mime_type]
type_map = {"image": ".jpg", "voice": ".ogg", "audio": ".mp3", "file": ""}
return type_map.get(media_type, "")
if ext := type_map.get(media_type, ""):
return ext
if filename:
from pathlib import Path
return "".join(Path(filename).suffixes)
return ""

98
nanobot/channels/whatsapp.py
View File

@@ -2,7 +2,8 @@
import asyncio
import json
from typing import Any
import mimetypes
from collections import OrderedDict
from loguru import logger
@@ -15,29 +16,30 @@ from nanobot.config.schema import WhatsAppConfig
class WhatsAppChannel(BaseChannel):
"""
WhatsApp channel that connects to a Node.js bridge.
The bridge uses @whiskeysockets/baileys to handle the WhatsApp Web protocol.
Communication between Python and Node.js is via WebSocket.
"""
name = "whatsapp"
def __init__(self, config: WhatsAppConfig, bus: MessageBus):
super().__init__(config, bus)
self.config: WhatsAppConfig = config
self._ws = None
self._connected = False
self._processed_message_ids: OrderedDict[str, None] = OrderedDict()
async def start(self) -> None:
"""Start the WhatsApp channel by connecting to the bridge."""
import websockets
bridge_url = self.config.bridge_url
logger.info(f"Connecting to WhatsApp bridge at {bridge_url}...")
logger.info("Connecting to WhatsApp bridge at {}...", bridge_url)
self._running = True
while self._running:
try:
async with websockets.connect(bridge_url) as ws:
@@ -47,102 +49,122 @@ class WhatsAppChannel(BaseChannel):
await ws.send(json.dumps({"type": "auth", "token": self.config.bridge_token}))
self._connected = True
logger.info("Connected to WhatsApp bridge")
# Listen for messages
async for message in ws:
try:
await self._handle_bridge_message(message)
except Exception as e:
logger.error(f"Error handling bridge message: {e}")
logger.error("Error handling bridge message: {}", e)
except asyncio.CancelledError:
break
except Exception as e:
self._connected = False
self._ws = None
logger.warning(f"WhatsApp bridge connection error: {e}")
logger.warning("WhatsApp bridge connection error: {}", e)
if self._running:
logger.info("Reconnecting in 5 seconds...")
await asyncio.sleep(5)
async def stop(self) -> None:
"""Stop the WhatsApp channel."""
self._running = False
self._connected = False
if self._ws:
await self._ws.close()
self._ws = None
async def send(self, msg: OutboundMessage) -> None:
"""Send a message through WhatsApp."""
if not self._ws or not self._connected:
logger.warning("WhatsApp bridge not connected")
return
try:
payload = {
"type": "send",
"to": msg.chat_id,
"text": msg.content
}
await self._ws.send(json.dumps(payload))
await self._ws.send(json.dumps(payload, ensure_ascii=False))
except Exception as e:
logger.error(f"Error sending WhatsApp message: {e}")
logger.error("Error sending WhatsApp message: {}", e)
async def _handle_bridge_message(self, raw: str) -> None:
"""Handle a message from the bridge."""
try:
data = json.loads(raw)
except json.JSONDecodeError:
logger.warning(f"Invalid JSON from bridge: {raw[:100]}")
logger.warning("Invalid JSON from bridge: {}", raw[:100])
return
msg_type = data.get("type")
if msg_type == "message":
# Incoming message from WhatsApp
# Deprecated by whatsapp: old phone number style typically: <phone>@s.whatspp.net
pn = data.get("pn", "")
# New LID sytle typically:
# New LID sytle typically:
sender = data.get("sender", "")
content = data.get("content", "")
message_id = data.get("id", "")
if message_id:
if message_id in self._processed_message_ids:
return
self._processed_message_ids[message_id] = None
while len(self._processed_message_ids) > 1000:
self._processed_message_ids.popitem(last=False)
# Extract just the phone number or lid as chat_id
user_id = pn if pn else sender
sender_id = user_id.split("@")[0] if "@" in user_id else user_id
logger.info(f"Sender {sender}")
logger.info("Sender {}", sender)
# Handle voice transcription if it's a voice message
if content == "[Voice Message]":
logger.info(f"Voice message received from {sender_id}, but direct download from bridge is not yet supported.")
logger.info("Voice message received from {}, but direct download from bridge is not yet supported.", sender_id)
content = "[Voice Message: Transcription not available for WhatsApp yet]"
# Extract media paths (images/documents/videos downloaded by the bridge)
media_paths = data.get("media") or []
# Build content tags matching Telegram's pattern: [image: /path] or [file: /path]
if media_paths:
for p in media_paths:
mime, _ = mimetypes.guess_type(p)
media_type = "image" if mime and mime.startswith("image/") else "file"
media_tag = f"[{media_type}: {p}]"
content = f"{content}\n{media_tag}" if content else media_tag
await self._handle_message(
sender_id=sender_id,
chat_id=sender, # Use full LID for replies
content=content,
media=media_paths,
metadata={
"message_id": data.get("id"),
"message_id": message_id,
"timestamp": data.get("timestamp"),
"is_group": data.get("isGroup", False)
}
)
elif msg_type == "status":
# Connection status update
status = data.get("status")
logger.info(f"WhatsApp status: {status}")
logger.info("WhatsApp status: {}", status)
if status == "connected":
self._connected = True
elif status == "disconnected":
self._connected = False
elif msg_type == "qr":
# QR code for authentication
logger.info("Scan QR code in the bridge terminal to connect WhatsApp")
elif msg_type == "error":
logger.error(f"WhatsApp bridge error: {data.get('error')}")
logger.error("WhatsApp bridge error: {}", data.get('error'))

749
nanobot/cli/commands.py
View File

File diff suppressed because it is too large Load Diff

2
nanobot/config/__init__.py
View File

@@ -1,6 +1,6 @@
"""Configuration module for nanobot."""
from nanobot.config.loader import load_config, get_config_path
from nanobot.config.loader import get_config_path, load_config
from nanobot.config.schema import Config
__all__ = ["Config", "load_config", "get_config_path"]

61
nanobot/config/loader.py
View File

@@ -2,7 +2,6 @@
import json
from pathlib import Path
from typing import Any
from nanobot.config.schema import Config
@@ -21,45 +20,43 @@ def get_data_dir() -> Path:
def load_config(config_path: Path | None = None) -> Config:
"""
Load configuration from file or create default.
Args:
config_path: Optional path to config file. Uses default if not provided.
Returns:
Loaded configuration object.
"""
path = config_path or get_config_path()
if path.exists():
try:
with open(path) as f:
with open(path, encoding="utf-8") as f:
data = json.load(f)
data = _migrate_config(data)
return Config.model_validate(convert_keys(data))
return Config.model_validate(data)
except (json.JSONDecodeError, ValueError) as e:
print(f"Warning: Failed to load config from {path}: {e}")
print("Using default configuration.")
return Config()
def save_config(config: Config, config_path: Path | None = None) -> None:
"""
Save configuration to file.
Args:
config: Configuration to save.
config_path: Optional path to save to. Uses default if not provided.
"""
path = config_path or get_config_path()
path.parent.mkdir(parents=True, exist_ok=True)
# Convert to camelCase format
data = config.model_dump()
data = convert_to_camel(data)
with open(path, "w") as f:
json.dump(data, f, indent=2)
data = config.model_dump(by_alias=True)
with open(path, "w", encoding="utf-8") as f:
json.dump(data, f, indent=2, ensure_ascii=False)
def _migrate_config(data: dict) -> dict:
@@ -70,37 +67,3 @@ def _migrate_config(data: dict) -> dict:
if "restrictToWorkspace" in exec_cfg and "restrictToWorkspace" not in tools:
tools["restrictToWorkspace"] = exec_cfg.pop("restrictToWorkspace")
return data
def convert_keys(data: Any) -> Any:
"""Convert camelCase keys to snake_case for Pydantic."""
if isinstance(data, dict):
return {camel_to_snake(k): convert_keys(v) for k, v in data.items()}
if isinstance(data, list):
return [convert_keys(item) for item in data]
return data
def convert_to_camel(data: Any) -> Any:
"""Convert snake_case keys to camelCase."""
if isinstance(data, dict):
return {snake_to_camel(k): convert_to_camel(v) for k, v in data.items()}
if isinstance(data, list):
return [convert_to_camel(item) for item in data]
return data
def camel_to_snake(name: str) -> str:
"""Convert camelCase to snake_case."""
result = []
for i, char in enumerate(name):
if char.isupper() and i > 0:
result.append("_")
result.append(char.lower())
return "".join(result)
def snake_to_camel(name: str) -> str:
"""Convert snake_case to camelCase."""
components = name.split("_")
return components[0] + "".join(x.title() for x in components[1:])

206
nanobot/config/schema.py
View File

@@ -1,54 +1,98 @@
"""Configuration schema using Pydantic."""
from pathlib import Path
from pydantic import BaseModel, Field, ConfigDict
from typing import Literal
from pydantic import BaseModel, ConfigDict, Field
from pydantic.alias_generators import to_camel
from pydantic_settings import BaseSettings
class WhatsAppConfig(BaseModel):
class Base(BaseModel):
"""Base model that accepts both camelCase and snake_case keys."""
model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
class WhatsAppConfig(Base):
"""WhatsApp channel configuration."""
enabled: bool = False
bridge_url: str = "ws://localhost:3001"
bridge_token: str = "" # Shared token for bridge auth (optional, recommended)
allow_from: list[str] = Field(default_factory=list) # Allowed phone numbers
class TelegramConfig(BaseModel):
class TelegramConfig(Base):
"""Telegram channel configuration."""
enabled: bool = False
token: str = "" # Bot token from @BotFather
allow_from: list[str] = Field(default_factory=list) # Allowed user IDs or usernames
proxy: str | None = None # HTTP/SOCKS5 proxy URL, e.g. "http://127.0.0.1:7890" or "socks5://127.0.0.1:1080"
proxy: str | None = (
None # HTTP/SOCKS5 proxy URL, e.g. "http://127.0.0.1:7890" or "socks5://127.0.0.1:1080"
)
reply_to_message: bool = False # If true, bot replies quote the original message
class FeishuConfig(BaseModel):
class FeishuConfig(Base):
"""Feishu/Lark channel configuration using WebSocket long connection."""
enabled: bool = False
app_id: str = "" # App ID from Feishu Open Platform
app_secret: str = "" # App Secret from Feishu Open Platform
encrypt_key: str = "" # Encrypt Key for event subscription (optional)
verification_token: str = "" # Verification Token for event subscription (optional)
allow_from: list[str] = Field(default_factory=list) # Allowed user open_ids
react_emoji: str = (
"THUMBSUP" # Emoji type for message reactions (e.g. THUMBSUP, OK, DONE, SMILE)
)
class DingTalkConfig(BaseModel):
class DingTalkConfig(Base):
"""DingTalk channel configuration using Stream mode."""
enabled: bool = False
client_id: str = "" # AppKey
client_secret: str = "" # AppSecret
allow_from: list[str] = Field(default_factory=list) # Allowed staff_ids
class DiscordConfig(BaseModel):
class DiscordConfig(Base):
"""Discord channel configuration."""
enabled: bool = False
token: str = "" # Bot token from Discord Developer Portal
allow_from: list[str] = Field(default_factory=list) # Allowed user IDs
gateway_url: str = "wss://gateway.discord.gg/?v=10&encoding=json"
intents: int = 37377 # GUILDS + GUILD_MESSAGES + DIRECT_MESSAGES + MESSAGE_CONTENT
group_policy: Literal["mention", "open"] = "mention"
class EmailConfig(BaseModel):
class MatrixConfig(Base):
"""Matrix (Element) channel configuration."""
enabled: bool = False
homeserver: str = "https://matrix.org"
access_token: str = ""
user_id: str = "" # @bot:matrix.org
device_id: str = ""
e2ee_enabled: bool = True # Enable Matrix E2EE support (encryption + encrypted room handling).
sync_stop_grace_seconds: int = (
2 # Max seconds to wait for sync_forever to stop gracefully before cancellation fallback.
)
max_media_bytes: int = (
20 * 1024 * 1024
) # Max attachment size accepted for Matrix media handling (inbound + outbound).
allow_from: list[str] = Field(default_factory=list)
group_policy: Literal["open", "mention", "allowlist"] = "open"
group_allow_from: list[str] = Field(default_factory=list)
allow_room_mentions: bool = False
class EmailConfig(Base):
"""Email channel configuration (IMAP inbound + SMTP outbound)."""
enabled: bool = False
consent_granted: bool = False # Explicit owner permission to access mailbox data
@@ -70,7 +114,9 @@ class EmailConfig(BaseModel):
from_address: str = ""
# Behavior
auto_reply_enabled: bool = True # If false, inbound email is read but no automatic reply is sent
auto_reply_enabled: bool = (
True # If false, inbound email is read but no automatic reply is sent
)
poll_interval_seconds: int = 30
mark_seen: bool = True
max_body_chars: int = 12000
@@ -78,18 +124,21 @@ class EmailConfig(BaseModel):
allow_from: list[str] = Field(default_factory=list) # Allowed sender email addresses
class MochatMentionConfig(BaseModel):
class MochatMentionConfig(Base):
"""Mochat mention behavior configuration."""
require_in_groups: bool = False
class MochatGroupRule(BaseModel):
class MochatGroupRule(Base):
"""Mochat per-group mention requirement."""
require_mention: bool = False
class MochatConfig(BaseModel):
class MochatConfig(Base):
"""Mochat channel configuration."""
enabled: bool = False
base_url: str = "https://mochat.io"
socket_url: str = ""
@@ -114,36 +163,49 @@ class MochatConfig(BaseModel):
reply_delay_ms: int = 120000
class SlackDMConfig(BaseModel):
class SlackDMConfig(Base):
"""Slack DM policy configuration."""
enabled: bool = True
policy: str = "open" # "open" or "allowlist"
allow_from: list[str] = Field(default_factory=list) # Allowed Slack user IDs
class SlackConfig(BaseModel):
class SlackConfig(Base):
"""Slack channel configuration."""
enabled: bool = False
mode: str = "socket" # "socket" supported
webhook_path: str = "/slack/events"
bot_token: str = "" # xoxb-...
app_token: str = "" # xapp-...
user_token_read_only: bool = True
reply_in_thread: bool = True
react_emoji: str = "eyes"
allow_from: list[str] = Field(default_factory=list) # Allowed Slack user IDs (sender-level)
group_policy: str = "mention" # "mention", "open", "allowlist"
group_allow_from: list[str] = Field(default_factory=list) # Allowed channel IDs if allowlist
dm: SlackDMConfig = Field(default_factory=SlackDMConfig)
class QQConfig(BaseModel):
class QQConfig(Base):
"""QQ channel configuration using botpy SDK."""
enabled: bool = False
app_id: str = "" # 机器人 ID (AppID) from q.qq.com
secret: str = "" # 机器人密钥 (AppSecret) from q.qq.com
allow_from: list[str] = Field(default_factory=list) # Allowed user openids (empty = public access)
allow_from: list[str] = Field(
default_factory=list
) # Allowed user openids (empty = public access)
class ChannelsConfig(BaseModel):
class ChannelsConfig(Base):
"""Configuration for chat channels."""
send_progress: bool = True # stream agent's text progress to the channel
send_tool_hints: bool = False # stream tool-call hints (e.g. read_file("…"))
whatsapp: WhatsAppConfig = Field(default_factory=WhatsAppConfig)
telegram: TelegramConfig = Field(default_factory=TelegramConfig)
discord: DiscordConfig = Field(default_factory=DiscordConfig)
@@ -153,33 +215,43 @@ class ChannelsConfig(BaseModel):
email: EmailConfig = Field(default_factory=EmailConfig)
slack: SlackConfig = Field(default_factory=SlackConfig)
qq: QQConfig = Field(default_factory=QQConfig)
matrix: MatrixConfig = Field(default_factory=MatrixConfig)
class AgentDefaults(BaseModel):
class AgentDefaults(Base):
"""Default agent configuration."""
workspace: str = "~/.nanobot/workspace"
model: str = "anthropic/claude-opus-4-5"
provider: str = (
"auto" # Provider name (e.g. "anthropic", "openrouter") or "auto" for auto-detection
)
max_tokens: int = 8192
temperature: float = 0.7
max_tool_iterations: int = 20
memory_window: int = 50
temperature: float = 0.1
max_tool_iterations: int = 40
memory_window: int = 100
reasoning_effort: str | None = None # low / medium / high — enables LLM thinking mode
class AgentsConfig(BaseModel):
class AgentsConfig(Base):
"""Agent configuration."""
defaults: AgentDefaults = Field(default_factory=AgentDefaults)
class ProviderConfig(BaseModel):
class ProviderConfig(Base):
"""LLM provider configuration."""
api_key: str = ""
api_base: str | None = None
extra_headers: dict[str, str] | None = None # Custom headers (e.g. APP-Code for AiHubMix)
class ProvidersConfig(BaseModel):
class ProvidersConfig(Base):
"""Configuration for LLM providers."""
custom: ProviderConfig = Field(default_factory=ProviderConfig) # Any OpenAI-compatible endpoint
azure_openai: ProviderConfig = Field(default_factory=ProviderConfig) # Azure OpenAI (model = deployment name)
anthropic: ProviderConfig = Field(default_factory=ProviderConfig)
openai: ProviderConfig = Field(default_factory=ProviderConfig)
openrouter: ProviderConfig = Field(default_factory=ProviderConfig)
@@ -192,40 +264,65 @@ class ProvidersConfig(BaseModel):
moonshot: ProviderConfig = Field(default_factory=ProviderConfig)
minimax: ProviderConfig = Field(default_factory=ProviderConfig)
aihubmix: ProviderConfig = Field(default_factory=ProviderConfig) # AiHubMix API gateway
siliconflow: ProviderConfig = Field(default_factory=ProviderConfig) # SiliconFlow (硅基流动)
volcengine: ProviderConfig = Field(default_factory=ProviderConfig) # VolcEngine (火山引擎)
openai_codex: ProviderConfig = Field(default_factory=ProviderConfig) # OpenAI Codex (OAuth)
github_copilot: ProviderConfig = Field(default_factory=ProviderConfig) # Github Copilot (OAuth)
class GatewayConfig(BaseModel):
class HeartbeatConfig(Base):
"""Heartbeat service configuration."""
enabled: bool = True
interval_s: int = 30 * 60 # 30 minutes
class GatewayConfig(Base):
"""Gateway/server configuration."""
host: str = "0.0.0.0"
port: int = 18790
heartbeat: HeartbeatConfig = Field(default_factory=HeartbeatConfig)
class WebSearchConfig(BaseModel):
class WebSearchConfig(Base):
"""Web search tool configuration."""
api_key: str = "" # Brave Search API key
max_results: int = 5
class WebToolsConfig(BaseModel):
class WebToolsConfig(Base):
"""Web tools configuration."""
proxy: str | None = (
None # HTTP/SOCKS5 proxy URL, e.g. "http://127.0.0.1:7890" or "socks5://127.0.0.1:1080"
)
search: WebSearchConfig = Field(default_factory=WebSearchConfig)
class ExecToolConfig(BaseModel):
class ExecToolConfig(Base):
"""Shell exec tool configuration."""
timeout: int = 60
path_append: str = ""
class MCPServerConfig(BaseModel):
class MCPServerConfig(Base):
"""MCP server connection configuration (stdio or HTTP)."""
type: Literal["stdio", "sse", "streamableHttp"] | None = None # auto-detected if omitted
command: str = "" # Stdio: command to run (e.g. "npx")
args: list[str] = Field(default_factory=list) # Stdio: command arguments
env: dict[str, str] = Field(default_factory=dict) # Stdio: extra env vars
url: str = "" # HTTP: streamable HTTP endpoint URL
url: str = "" # HTTP/SSE: endpoint URL
headers: dict[str, str] = Field(default_factory=dict) # HTTP/SSE: custom headers
tool_timeout: int = 30 # seconds before a tool call is cancelled
class ToolsConfig(BaseModel):
class ToolsConfig(Base):
"""Tools configuration."""
web: WebToolsConfig = Field(default_factory=WebToolsConfig)
exec: ExecToolConfig = Field(default_factory=ExecToolConfig)
restrict_to_workspace: bool = False # If true, restrict all tool access to workspace directory
@@ -234,30 +331,57 @@ class ToolsConfig(BaseModel):
class Config(BaseSettings):
"""Root configuration for nanobot."""
agents: AgentsConfig = Field(default_factory=AgentsConfig)
channels: ChannelsConfig = Field(default_factory=ChannelsConfig)
providers: ProvidersConfig = Field(default_factory=ProvidersConfig)
gateway: GatewayConfig = Field(default_factory=GatewayConfig)
tools: ToolsConfig = Field(default_factory=ToolsConfig)
@property
def workspace_path(self) -> Path:
"""Get expanded workspace path."""
return Path(self.agents.defaults.workspace).expanduser()
def _match_provider(self, model: str | None = None) -> tuple["ProviderConfig | None", str | None]:
def _match_provider(
self, model: str | None = None
) -> tuple["ProviderConfig | None", str | None]:
"""Match provider config and its registry name. Returns (config, spec_name)."""
from nanobot.providers.registry import PROVIDERS
forced = self.agents.defaults.provider
if forced != "auto":
p = getattr(self.providers, forced, None)
return (p, forced) if p else (None, None)
model_lower = (model or self.agents.defaults.model).lower()
model_normalized = model_lower.replace("-", "_")
model_prefix = model_lower.split("/", 1)[0] if "/" in model_lower else ""
normalized_prefix = model_prefix.replace("-", "_")
def _kw_matches(kw: str) -> bool:
kw = kw.lower()
return kw in model_lower or kw.replace("-", "_") in model_normalized
# Explicit provider prefix wins — prevents `github-copilot/...codex` matching openai_codex.
for spec in PROVIDERS:
p = getattr(self.providers, spec.name, None)
if p and model_prefix and normalized_prefix == spec.name:
if spec.is_oauth or p.api_key:
return p, spec.name
# Match by keyword (order follows PROVIDERS registry)
for spec in PROVIDERS:
p = getattr(self.providers, spec.name, None)
if p and any(kw in model_lower for kw in spec.keywords) and p.api_key:
return p, spec.name
if p and any(_kw_matches(kw) for kw in spec.keywords):
if spec.is_oauth or p.api_key:
return p, spec.name
# Fallback: gateways first, then others (follows registry order)
# OAuth providers are NOT valid fallbacks — they require explicit model selection
for spec in PROVIDERS:
if spec.is_oauth:
continue
p = getattr(self.providers, spec.name, None)
if p and p.api_key:
return p, spec.name
@@ -277,10 +401,11 @@ class Config(BaseSettings):
"""Get API key for the given model. Falls back to first available key."""
p = self.get_provider(model)
return p.api_key if p else None
def get_api_base(self, model: str | None = None) -> str | None:
"""Get API base URL for the given model. Applies default URLs for known gateways."""
from nanobot.providers.registry import find_by_name
p, name = self._match_provider(model)
if p and p.api_base:
return p.api_base
@@ -292,8 +417,5 @@ class Config(BaseSettings):
if spec and spec.is_gateway and spec.default_api_base:
return spec.default_api_base
return None
model_config = ConfigDict(
env_prefix="NANOBOT_",
env_nested_delimiter="__"
)
model_config = ConfigDict(env_prefix="NANOBOT_", env_nested_delimiter="__")

135
nanobot/cron/service.py
View File

@@ -21,18 +21,20 @@ def _compute_next_run(schedule: CronSchedule, now_ms: int) -> int | None:
"""Compute next run time in ms."""
if schedule.kind == "at":
return schedule.at_ms if schedule.at_ms and schedule.at_ms > now_ms else None
if schedule.kind == "every":
if not schedule.every_ms or schedule.every_ms <= 0:
return None
# Next interval from now
return now_ms + schedule.every_ms
if schedule.kind == "cron" and schedule.expr:
try:
from croniter import croniter
from zoneinfo import ZoneInfo
base_time = time.time()
from croniter import croniter
# Use caller-provided reference time for deterministic scheduling
base_time = now_ms / 1000
tz = ZoneInfo(schedule.tz) if schedule.tz else datetime.now().astimezone().tzinfo
base_dt = datetime.fromtimestamp(base_time, tz=tz)
cron = croniter(schedule.expr, base_dt)
@@ -40,32 +42,52 @@ def _compute_next_run(schedule: CronSchedule, now_ms: int) -> int | None:
return int(next_dt.timestamp() * 1000)
except Exception:
return None
return None
def _validate_schedule_for_add(schedule: CronSchedule) -> None:
"""Validate schedule fields that would otherwise create non-runnable jobs."""
if schedule.tz and schedule.kind != "cron":
raise ValueError("tz can only be used with cron schedules")
if schedule.kind == "cron" and schedule.tz:
try:
from zoneinfo import ZoneInfo
ZoneInfo(schedule.tz)
except Exception:
raise ValueError(f"unknown timezone '{schedule.tz}'") from None
class CronService:
"""Service for managing and executing scheduled jobs."""
def __init__(
self,
store_path: Path,
on_job: Callable[[CronJob], Coroutine[Any, Any, str | None]] | None = None
):
self.store_path = store_path
self.on_job = on_job # Callback to execute job, returns response text
self.on_job = on_job
self._store: CronStore | None = None
self._last_mtime: float = 0.0
self._timer_task: asyncio.Task | None = None
self._running = False
def _load_store(self) -> CronStore:
"""Load jobs from disk."""
"""Load jobs from disk. Reloads automatically if file was modified externally."""
if self._store and self.store_path.exists():
mtime = self.store_path.stat().st_mtime
if mtime != self._last_mtime:
logger.info("Cron: jobs.json modified externally, reloading")
self._store = None
if self._store:
return self._store
if self.store_path.exists():
try:
data = json.loads(self.store_path.read_text())
data = json.loads(self.store_path.read_text(encoding="utf-8"))
jobs = []
for j in data.get("jobs", []):
jobs.append(CronJob(
@@ -98,20 +120,20 @@ class CronService:
))
self._store = CronStore(jobs=jobs)
except Exception as e:
logger.warning(f"Failed to load cron store: {e}")
logger.warning("Failed to load cron store: {}", e)
self._store = CronStore()
else:
self._store = CronStore()
return self._store
def _save_store(self) -> None:
"""Save jobs to disk."""
if not self._store:
return
self.store_path.parent.mkdir(parents=True, exist_ok=True)
data = {
"version": self._store.version,
"jobs": [
@@ -146,8 +168,9 @@ class CronService:
for j in self._store.jobs
]
}
self.store_path.write_text(json.dumps(data, indent=2))
self.store_path.write_text(json.dumps(data, indent=2, ensure_ascii=False), encoding="utf-8")
self._last_mtime = self.store_path.stat().st_mtime
async def start(self) -> None:
"""Start the cron service."""
@@ -156,15 +179,15 @@ class CronService:
self._recompute_next_runs()
self._save_store()
self._arm_timer()
logger.info(f"Cron service started with {len(self._store.jobs if self._store else [])} jobs")
logger.info("Cron service started with {} jobs", len(self._store.jobs if self._store else []))
def stop(self) -> None:
"""Stop the cron service."""
self._running = False
if self._timer_task:
self._timer_task.cancel()
self._timer_task = None
def _recompute_next_runs(self) -> None:
"""Recompute next run times for all enabled jobs."""
if not self._store:
@@ -173,73 +196,74 @@ class CronService:
for job in self._store.jobs:
if job.enabled:
job.state.next_run_at_ms = _compute_next_run(job.schedule, now)
def _get_next_wake_ms(self) -> int | None:
"""Get the earliest next run time across all jobs."""
if not self._store:
return None
times = [j.state.next_run_at_ms for j in self._store.jobs
times = [j.state.next_run_at_ms for j in self._store.jobs
if j.enabled and j.state.next_run_at_ms]
return min(times) if times else None
def _arm_timer(self) -> None:
"""Schedule the next timer tick."""
if self._timer_task:
self._timer_task.cancel()
next_wake = self._get_next_wake_ms()
if not next_wake or not self._running:
return
delay_ms = max(0, next_wake - _now_ms())
delay_s = delay_ms / 1000
async def tick():
await asyncio.sleep(delay_s)
if self._running:
await self._on_timer()
self._timer_task = asyncio.create_task(tick())
async def _on_timer(self) -> None:
"""Handle timer tick - run due jobs."""
self._load_store()
if not self._store:
return
now = _now_ms()
due_jobs = [
j for j in self._store.jobs
if j.enabled and j.state.next_run_at_ms and now >= j.state.next_run_at_ms
]
for job in due_jobs:
await self._execute_job(job)
self._save_store()
self._arm_timer()
async def _execute_job(self, job: CronJob) -> None:
"""Execute a single job."""
start_ms = _now_ms()
logger.info(f"Cron: executing job '{job.name}' ({job.id})")
logger.info("Cron: executing job '{}' ({})", job.name, job.id)
try:
response = None
if self.on_job:
response = await self.on_job(job)
job.state.last_status = "ok"
job.state.last_error = None
logger.info(f"Cron: job '{job.name}' completed")
logger.info("Cron: job '{}' completed", job.name)
except Exception as e:
job.state.last_status = "error"
job.state.last_error = str(e)
logger.error(f"Cron: job '{job.name}' failed: {e}")
logger.error("Cron: job '{}' failed: {}", job.name, e)
job.state.last_run_at_ms = start_ms
job.updated_at_ms = _now_ms()
# Handle one-shot jobs
if job.schedule.kind == "at":
if job.delete_after_run:
@@ -250,15 +274,15 @@ class CronService:
else:
# Compute next run
job.state.next_run_at_ms = _compute_next_run(job.schedule, _now_ms())
# ========== Public API ==========
def list_jobs(self, include_disabled: bool = False) -> list[CronJob]:
"""List all jobs."""
store = self._load_store()
jobs = store.jobs if include_disabled else [j for j in store.jobs if j.enabled]
return sorted(jobs, key=lambda j: j.state.next_run_at_ms or float('inf'))
def add_job(
self,
name: str,
@@ -271,8 +295,9 @@ class CronService:
) -> CronJob:
"""Add a new job."""
store = self._load_store()
_validate_schedule_for_add(schedule)
now = _now_ms()
job = CronJob(
id=str(uuid.uuid4())[:8],
name=name,
@@ -290,28 +315,28 @@ class CronService:
updated_at_ms=now,
delete_after_run=delete_after_run,
)
store.jobs.append(job)
self._save_store()
self._arm_timer()
logger.info(f"Cron: added job '{name}' ({job.id})")
logger.info("Cron: added job '{}' ({})", name, job.id)
return job
def remove_job(self, job_id: str) -> bool:
"""Remove a job by ID."""
store = self._load_store()
before = len(store.jobs)
store.jobs = [j for j in store.jobs if j.id != job_id]
removed = len(store.jobs) < before
if removed:
self._save_store()
self._arm_timer()
logger.info(f"Cron: removed job {job_id}")
logger.info("Cron: removed job {}", job_id)
return removed
def enable_job(self, job_id: str, enabled: bool = True) -> CronJob | None:
"""Enable or disable a job."""
store = self._load_store()
@@ -327,7 +352,7 @@ class CronService:
self._arm_timer()
return job
return None
async def run_job(self, job_id: str, force: bool = False) -> bool:
"""Manually run a job."""
store = self._load_store()
@@ -340,7 +365,7 @@ class CronService:
self._arm_timer()
return True
return False
def status(self) -> dict:
"""Get service status."""
store = self._load_store()

177
nanobot/heartbeat/service.py
View File

@@ -1,92 +1,130 @@
"""Heartbeat service - periodic agent wake-up to check for tasks."""
from __future__ import annotations
import asyncio
from pathlib import Path
from typing import Any, Callable, Coroutine
from typing import TYPE_CHECKING, Any, Callable, Coroutine
from loguru import logger
# Default interval: 30 minutes
DEFAULT_HEARTBEAT_INTERVAL_S = 30 * 60
if TYPE_CHECKING:
from nanobot.providers.base import LLMProvider
# The prompt sent to agent during heartbeat
HEARTBEAT_PROMPT = """Read HEARTBEAT.md in your workspace (if it exists).
Follow any instructions or tasks listed there.
If nothing needs attention, reply with just: HEARTBEAT_OK"""
# Token that indicates "nothing to do"
HEARTBEAT_OK_TOKEN = "HEARTBEAT_OK"
def _is_heartbeat_empty(content: str | None) -> bool:
"""Check if HEARTBEAT.md has no actionable content."""
if not content:
return True
# Lines to skip: empty, headers, HTML comments, empty checkboxes
skip_patterns = {"- [ ]", "* [ ]", "- [x]", "* [x]"}
for line in content.split("\n"):
line = line.strip()
if not line or line.startswith("#") or line.startswith("<!--") or line in skip_patterns:
continue
return False # Found actionable content
return True
_HEARTBEAT_TOOL = [
{
"type": "function",
"function": {
"name": "heartbeat",
"description": "Report heartbeat decision after reviewing tasks.",
"parameters": {
"type": "object",
"properties": {
"action": {
"type": "string",
"enum": ["skip", "run"],
"description": "skip = nothing to do, run = has active tasks",
},
"tasks": {
"type": "string",
"description": "Natural-language summary of active tasks (required for run)",
},
},
"required": ["action"],
},
},
}
]
class HeartbeatService:
"""
Periodic heartbeat service that wakes the agent to check for tasks.
The agent reads HEARTBEAT.md from the workspace and executes any
tasks listed there. If nothing needs attention, it replies HEARTBEAT_OK.
Phase 1 (decision): reads HEARTBEAT.md and asks the LLM — via a virtual
tool call — whether there are active tasks. This avoids free-text parsing
and the unreliable HEARTBEAT_OK token.
Phase 2 (execution): only triggered when Phase 1 returns ``run``. The
``on_execute`` callback runs the task through the full agent loop and
returns the result to deliver.
"""
def __init__(
self,
workspace: Path,
on_heartbeat: Callable[[str], Coroutine[Any, Any, str]] | None = None,
interval_s: int = DEFAULT_HEARTBEAT_INTERVAL_S,
provider: LLMProvider,
model: str,
on_execute: Callable[[str], Coroutine[Any, Any, str]] | None = None,
on_notify: Callable[[str], Coroutine[Any, Any, None]] | None = None,
interval_s: int = 30 * 60,
enabled: bool = True,
):
self.workspace = workspace
self.on_heartbeat = on_heartbeat
self.provider = provider
self.model = model
self.on_execute = on_execute
self.on_notify = on_notify
self.interval_s = interval_s
self.enabled = enabled
self._running = False
self._task: asyncio.Task | None = None
@property
def heartbeat_file(self) -> Path:
return self.workspace / "HEARTBEAT.md"
def _read_heartbeat_file(self) -> str | None:
"""Read HEARTBEAT.md content."""
if self.heartbeat_file.exists():
try:
return self.heartbeat_file.read_text()
return self.heartbeat_file.read_text(encoding="utf-8")
except Exception:
return None
return None
async def _decide(self, content: str) -> tuple[str, str]:
"""Phase 1: ask LLM to decide skip/run via virtual tool call.
Returns (action, tasks) where action is 'skip' or 'run'.
"""
response = await self.provider.chat(
messages=[
{"role": "system", "content": "You are a heartbeat agent. Call the heartbeat tool to report your decision."},
{"role": "user", "content": (
"Review the following HEARTBEAT.md and decide whether there are active tasks.\n\n"
f"{content}"
)},
],
tools=_HEARTBEAT_TOOL,
model=self.model,
)
if not response.has_tool_calls:
return "skip", ""
args = response.tool_calls[0].arguments
return args.get("action", "skip"), args.get("tasks", "")
async def start(self) -> None:
"""Start the heartbeat service."""
if not self.enabled:
logger.info("Heartbeat disabled")
return
if self._running:
logger.warning("Heartbeat already running")
return
self._running = True
self._task = asyncio.create_task(self._run_loop())
logger.info(f"Heartbeat started (every {self.interval_s}s)")
logger.info("Heartbeat started (every {}s)", self.interval_s)
def stop(self) -> None:
"""Stop the heartbeat service."""
self._running = False
if self._task:
self._task.cancel()
self._task = None
async def _run_loop(self) -> None:
"""Main heartbeat loop."""
while self._running:
@@ -97,34 +135,39 @@ class HeartbeatService:
except asyncio.CancelledError:
break
except Exception as e:
logger.error(f"Heartbeat error: {e}")
logger.error("Heartbeat error: {}", e)
async def _tick(self) -> None:
"""Execute a single heartbeat tick."""
content = self._read_heartbeat_file()
# Skip if HEARTBEAT.md is empty or doesn't exist
if _is_heartbeat_empty(content):
logger.debug("Heartbeat: no tasks (HEARTBEAT.md empty)")
if not content:
logger.debug("Heartbeat: HEARTBEAT.md missing or empty")
return
logger.info("Heartbeat: checking for tasks...")
if self.on_heartbeat:
try:
response = await self.on_heartbeat(HEARTBEAT_PROMPT)
# Check if agent said "nothing to do"
if HEARTBEAT_OK_TOKEN.replace("_", "") in response.upper().replace("_", ""):
logger.info("Heartbeat: OK (no action needed)")
else:
logger.info(f"Heartbeat: completed task")
except Exception as e:
logger.error(f"Heartbeat execution failed: {e}")
try:
action, tasks = await self._decide(content)
if action != "run":
logger.info("Heartbeat: OK (nothing to report)")
return
logger.info("Heartbeat: tasks found, executing...")
if self.on_execute:
response = await self.on_execute(tasks)
if response and self.on_notify:
logger.info("Heartbeat: completed, delivering response")
await self.on_notify(response)
except Exception:
logger.exception("Heartbeat execution failed")
async def trigger_now(self) -> str | None:
"""Manually trigger a heartbeat."""
if self.on_heartbeat:
return await self.on_heartbeat(HEARTBEAT_PROMPT)
return None
content = self._read_heartbeat_file()
if not content:
return None
action, tasks = await self._decide(content)
if action != "run" or not self.on_execute:
return None
return await self.on_execute(tasks)

4
nanobot/providers/__init__.py
View File

@@ -2,5 +2,7 @@
from nanobot.providers.base import LLMProvider, LLMResponse
from nanobot.providers.litellm_provider import LiteLLMProvider
from nanobot.providers.openai_codex_provider import OpenAICodexProvider
from nanobot.providers.azure_openai_provider import AzureOpenAIProvider
__all__ = ["LLMProvider", "LLMResponse", "LiteLLMProvider"]
__all__ = ["LLMProvider", "LLMResponse", "LiteLLMProvider", "OpenAICodexProvider", "AzureOpenAIProvider"]

210
nanobot/providers/azure_openai_provider.py Normal file
View File

@@ -0,0 +1,210 @@
"""Azure OpenAI provider implementation with API version 2024-10-21."""
from __future__ import annotations
import uuid
from typing import Any
from urllib.parse import urljoin
import httpx
import json_repair
from nanobot.providers.base import LLMProvider, LLMResponse, ToolCallRequest
_AZURE_MSG_KEYS = frozenset({"role", "content", "tool_calls", "tool_call_id", "name"})
class AzureOpenAIProvider(LLMProvider):
"""
Azure OpenAI provider with API version 2024-10-21 compliance.
Features:
- Hardcoded API version 2024-10-21
- Uses model field as Azure deployment name in URL path
- Uses api-key header instead of Authorization Bearer
- Uses max_completion_tokens instead of max_tokens
- Direct HTTP calls, bypasses LiteLLM
"""
def __init__(
self,
api_key: str = "",
api_base: str = "",
default_model: str = "gpt-5.2-chat",
):
super().__init__(api_key, api_base)
self.default_model = default_model
self.api_version = "2024-10-21"
# Validate required parameters
if not api_key:
raise ValueError("Azure OpenAI api_key is required")
if not api_base:
raise ValueError("Azure OpenAI api_base is required")
# Ensure api_base ends with /
if not api_base.endswith('/'):
api_base += '/'
self.api_base = api_base
def _build_chat_url(self, deployment_name: str) -> str:
"""Build the Azure OpenAI chat completions URL."""
# Azure OpenAI URL format:
# https://{resource}.openai.azure.com/openai/deployments/{deployment}/chat/completions?api-version={version}
base_url = self.api_base
if not base_url.endswith('/'):
base_url += '/'
url = urljoin(
base_url,
f"openai/deployments/{deployment_name}/chat/completions"
)
return f"{url}?api-version={self.api_version}"
def _build_headers(self) -> dict[str, str]:
"""Build headers for Azure OpenAI API with api-key header."""
return {
"Content-Type": "application/json",
"api-key": self.api_key, # Azure OpenAI uses api-key header, not Authorization
"x-session-affinity": uuid.uuid4().hex, # For cache locality
}
@staticmethod
def _supports_temperature(
deployment_name: str,
reasoning_effort: str | None = None,
) -> bool:
"""Return True when temperature is likely supported for this deployment."""
if reasoning_effort:
return False
name = deployment_name.lower()
return not any(token in name for token in ("gpt-5", "o1", "o3", "o4"))
def _prepare_request_payload(
self,
deployment_name: str,
messages: list[dict[str, Any]],
tools: list[dict[str, Any]] | None = None,
max_tokens: int = 4096,
temperature: float = 0.7,
reasoning_effort: str | None = None,
) -> dict[str, Any]:
"""Prepare the request payload with Azure OpenAI 2024-10-21 compliance."""
payload: dict[str, Any] = {
"messages": self._sanitize_request_messages(
self._sanitize_empty_content(messages),
_AZURE_MSG_KEYS,
),
"max_completion_tokens": max(1, max_tokens), # Azure API 2024-10-21 uses max_completion_tokens
}
if self._supports_temperature(deployment_name, reasoning_effort):
payload["temperature"] = temperature
if reasoning_effort:
payload["reasoning_effort"] = reasoning_effort
if tools:
payload["tools"] = tools
payload["tool_choice"] = "auto"
return payload
async def chat(
self,
messages: list[dict[str, Any]],
tools: list[dict[str, Any]] | None = None,
model: str | None = None,
max_tokens: int = 4096,
temperature: float = 0.7,
reasoning_effort: str | None = None,
) -> LLMResponse:
"""
Send a chat completion request to Azure OpenAI.
Args:
messages: List of message dicts with 'role' and 'content'.
tools: Optional list of tool definitions in OpenAI format.
model: Model identifier (used as deployment name).
max_tokens: Maximum tokens in response (mapped to max_completion_tokens).
temperature: Sampling temperature.
reasoning_effort: Optional reasoning effort parameter.
Returns:
LLMResponse with content and/or tool calls.
"""
deployment_name = model or self.default_model
url = self._build_chat_url(deployment_name)
headers = self._build_headers()
payload = self._prepare_request_payload(
deployment_name, messages, tools, max_tokens, temperature, reasoning_effort
)
try:
async with httpx.AsyncClient(timeout=60.0, verify=True) as client:
response = await client.post(url, headers=headers, json=payload)
if response.status_code != 200:
return LLMResponse(
content=f"Azure OpenAI API Error {response.status_code}: {response.text}",
finish_reason="error",
)
response_data = response.json()
return self._parse_response(response_data)
except Exception as e:
return LLMResponse(
content=f"Error calling Azure OpenAI: {repr(e)}",
finish_reason="error",
)
def _parse_response(self, response: dict[str, Any]) -> LLMResponse:
"""Parse Azure OpenAI response into our standard format."""
try:
choice = response["choices"][0]
message = choice["message"]
tool_calls = []
if message.get("tool_calls"):
for tc in message["tool_calls"]:
# Parse arguments from JSON string if needed
args = tc["function"]["arguments"]
if isinstance(args, str):
args = json_repair.loads(args)
tool_calls.append(
ToolCallRequest(
id=tc["id"],
name=tc["function"]["name"],
arguments=args,
)
)
usage = {}
if response.get("usage"):
usage_data = response["usage"]
usage = {
"prompt_tokens": usage_data.get("prompt_tokens", 0),
"completion_tokens": usage_data.get("completion_tokens", 0),
"total_tokens": usage_data.get("total_tokens", 0),
}
reasoning_content = message.get("reasoning_content") or None
return LLMResponse(
content=message.get("content"),
tool_calls=tool_calls,
finish_reason=choice.get("finish_reason", "stop"),
usage=usage,
reasoning_content=reasoning_content,
)
except (KeyError, IndexError) as e:
return LLMResponse(
content=f"Error parsing Azure OpenAI response: {str(e)}",
finish_reason="error",
)
def get_default_model(self) -> str:
"""Get the default model (also used as default deployment name)."""
return self.default_model

68
nanobot/providers/base.py
View File

@@ -21,6 +21,7 @@ class LLMResponse:
finish_reason: str = "stop"
usage: dict[str, int] = field(default_factory=dict)
reasoning_content: str | None = None # Kimi, DeepSeek-R1 etc.
thinking_blocks: list[dict] | None = None # Anthropic extended thinking
@property
def has_tool_calls(self) -> bool:
@@ -35,11 +36,71 @@ class LLMProvider(ABC):
Implementations should handle the specifics of each provider's API
while maintaining a consistent interface.
"""
def __init__(self, api_key: str | None = None, api_base: str | None = None):
self.api_key = api_key
self.api_base = api_base
@staticmethod
def _sanitize_empty_content(messages: list[dict[str, Any]]) -> list[dict[str, Any]]:
"""Replace empty text content that causes provider 400 errors.
Empty content can appear when MCP tools return nothing. Most providers
reject empty-string content or empty text blocks in list content.
"""
result: list[dict[str, Any]] = []
for msg in messages:
content = msg.get("content")
if isinstance(content, str) and not content:
clean = dict(msg)
clean["content"] = None if (msg.get("role") == "assistant" and msg.get("tool_calls")) else "(empty)"
result.append(clean)
continue
if isinstance(content, list):
filtered = [
item for item in content
if not (
isinstance(item, dict)
and item.get("type") in ("text", "input_text", "output_text")
and not item.get("text")
)
]
if len(filtered) != len(content):
clean = dict(msg)
if filtered:
clean["content"] = filtered
elif msg.get("role") == "assistant" and msg.get("tool_calls"):
clean["content"] = None
else:
clean["content"] = "(empty)"
result.append(clean)
continue
if isinstance(content, dict):
clean = dict(msg)
clean["content"] = [content]
result.append(clean)
continue
result.append(msg)
return result
@staticmethod
def _sanitize_request_messages(
messages: list[dict[str, Any]],
allowed_keys: frozenset[str],
) -> list[dict[str, Any]]:
"""Keep only provider-safe message keys and normalize assistant content."""
sanitized = []
for msg in messages:
clean = {k: v for k, v in msg.items() if k in allowed_keys}
if clean.get("role") == "assistant" and "content" not in clean:
clean["content"] = None
sanitized.append(clean)
return sanitized
@abstractmethod
async def chat(
self,
@@ -48,6 +109,7 @@ class LLMProvider(ABC):
model: str | None = None,
max_tokens: int = 4096,
temperature: float = 0.7,
reasoning_effort: str | None = None,
) -> LLMResponse:
"""
Send a chat completion request.
@@ -63,7 +125,7 @@ class LLMProvider(ABC):
LLMResponse with content and/or tool calls.
"""
pass
@abstractmethod
def get_default_model(self) -> str:
"""Get the default model for this provider."""

61
nanobot/providers/custom_provider.py Normal file
View File

@@ -0,0 +1,61 @@
"""Direct OpenAI-compatible provider — bypasses LiteLLM."""
from __future__ import annotations
import uuid
from typing import Any
import json_repair
from openai import AsyncOpenAI
from nanobot.providers.base import LLMProvider, LLMResponse, ToolCallRequest
class CustomProvider(LLMProvider):
def __init__(self, api_key: str = "no-key", api_base: str = "http://localhost:8000/v1", default_model: str = "default"):
super().__init__(api_key, api_base)
self.default_model = default_model
# Keep affinity stable for this provider instance to improve backend cache locality.
self._client = AsyncOpenAI(
api_key=api_key,
base_url=api_base,
default_headers={"x-session-affinity": uuid.uuid4().hex},
)
async def chat(self, messages: list[dict[str, Any]], tools: list[dict[str, Any]] | None = None,
model: str | None = None, max_tokens: int = 4096, temperature: float = 0.7,
reasoning_effort: str | None = None) -> LLMResponse:
kwargs: dict[str, Any] = {
"model": model or self.default_model,
"messages": self._sanitize_empty_content(messages),
"max_tokens": max(1, max_tokens),
"temperature": temperature,
}
if reasoning_effort:
kwargs["reasoning_effort"] = reasoning_effort
if tools:
kwargs.update(tools=tools, tool_choice="auto")
try:
return self._parse(await self._client.chat.completions.create(**kwargs))
except Exception as e:
return LLMResponse(content=f"Error: {e}", finish_reason="error")
def _parse(self, response: Any) -> LLMResponse:
choice = response.choices[0]
msg = choice.message
tool_calls = [
ToolCallRequest(id=tc.id, name=tc.function.name,
arguments=json_repair.loads(tc.function.arguments) if isinstance(tc.function.arguments, str) else tc.function.arguments)
for tc in (msg.tool_calls or [])
]
u = response.usage
return LLMResponse(
content=msg.content, tool_calls=tool_calls, finish_reason=choice.finish_reason or "stop",
usage={"prompt_tokens": u.prompt_tokens, "completion_tokens": u.completion_tokens, "total_tokens": u.total_tokens} if u else {},
reasoning_content=getattr(msg, "reasoning_content", None) or None,
)
def get_default_model(self) -> str:
return self.default_model

229
nanobot/providers/litellm_provider.py
View File

@@ -1,16 +1,28 @@
"""LiteLLM provider implementation for multi-provider support."""
import json
import json_repair
import hashlib
import os
import secrets
import string
from typing import Any
import json_repair
import litellm
from litellm import acompletion
from loguru import logger
from nanobot.providers.base import LLMProvider, LLMResponse, ToolCallRequest
from nanobot.providers.registry import find_by_model, find_gateway
# Standard chat-completion message keys.
_ALLOWED_MSG_KEYS = frozenset({"role", "content", "tool_calls", "tool_call_id", "name", "reasoning_content"})
_ANTHROPIC_EXTRA_KEYS = frozenset({"thinking_blocks"})
_ALNUM = string.ascii_letters + string.digits
def _short_tool_id() -> str:
"""Generate a 9-char alphanumeric ID compatible with all providers (incl. Mistral)."""
return "".join(secrets.choice(_ALNUM) for _ in range(9))
class LiteLLMProvider(LLMProvider):
"""
@@ -20,10 +32,10 @@ class LiteLLMProvider(LLMProvider):
a unified interface. Provider-specific logic is driven by the registry
(see providers/registry.py) — no if-elif chains needed here.
"""
def __init__(
self,
api_key: str | None = None,
self,
api_key: str | None = None,
api_base: str | None = None,
default_model: str = "anthropic/claude-opus-4-5",
extra_headers: dict[str, str] | None = None,
@@ -32,29 +44,32 @@ class LiteLLMProvider(LLMProvider):
super().__init__(api_key, api_base)
self.default_model = default_model
self.extra_headers = extra_headers or {}
# Detect gateway / local deployment.
# provider_name (from config key) is the primary signal;
# api_key / api_base are fallback for auto-detection.
self._gateway = find_gateway(provider_name, api_key, api_base)
# Configure environment variables
if api_key:
self._setup_env(api_key, api_base, default_model)
if api_base:
litellm.api_base = api_base
# Disable LiteLLM logging noise
litellm.suppress_debug_info = True
# Drop unsupported parameters for providers (e.g., gpt-5 rejects some params)
litellm.drop_params = True
def _setup_env(self, api_key: str, api_base: str | None, model: str) -> None:
"""Set environment variables based on detected provider."""
spec = self._gateway or find_by_model(model)
if not spec:
return
if not spec.env_key:
# OAuth/provider-only specs (for example: openai_codex)
return
# Gateway/local overrides existing env; standard provider doesn't
if self._gateway:
@@ -70,7 +85,7 @@ class LiteLLMProvider(LLMProvider):
resolved = env_val.replace("{api_key}", api_key)
resolved = resolved.replace("{api_base}", effective_base)
os.environ.setdefault(env_name, resolved)
def _resolve_model(self, model: str) -> str:
"""Resolve model name by applying provider/gateway prefixes."""
if self._gateway:
@@ -81,15 +96,59 @@ class LiteLLMProvider(LLMProvider):
if prefix and not model.startswith(f"{prefix}/"):
model = f"{prefix}/{model}"
return model
# Standard mode: auto-prefix for known providers
spec = find_by_model(model)
if spec and spec.litellm_prefix:
model = self._canonicalize_explicit_prefix(model, spec.name, spec.litellm_prefix)
if not any(model.startswith(s) for s in spec.skip_prefixes):
model = f"{spec.litellm_prefix}/{model}"
return model
@staticmethod
def _canonicalize_explicit_prefix(model: str, spec_name: str, canonical_prefix: str) -> str:
"""Normalize explicit provider prefixes like `github-copilot/...`."""
if "/" not in model:
return model
prefix, remainder = model.split("/", 1)
if prefix.lower().replace("-", "_") != spec_name:
return model
return f"{canonical_prefix}/{remainder}"
def _supports_cache_control(self, model: str) -> bool:
"""Return True when the provider supports cache_control on content blocks."""
if self._gateway is not None:
return self._gateway.supports_prompt_caching
spec = find_by_model(model)
return spec is not None and spec.supports_prompt_caching
def _apply_cache_control(
self,
messages: list[dict[str, Any]],
tools: list[dict[str, Any]] | None,
) -> tuple[list[dict[str, Any]], list[dict[str, Any]] | None]:
"""Return copies of messages and tools with cache_control injected."""
new_messages = []
for msg in messages:
if msg.get("role") == "system":
content = msg["content"]
if isinstance(content, str):
new_content = [{"type": "text", "text": content, "cache_control": {"type": "ephemeral"}}]
else:
new_content = list(content)
new_content[-1] = {**new_content[-1], "cache_control": {"type": "ephemeral"}}
new_messages.append({**msg, "content": new_content})
else:
new_messages.append(msg)
new_tools = tools
if tools:
new_tools = list(tools)
new_tools[-1] = {**new_tools[-1], "cache_control": {"type": "ephemeral"}}
return new_messages, new_tools
def _apply_model_overrides(self, model: str, kwargs: dict[str, Any]) -> None:
"""Apply model-specific parameter overrides from the registry."""
model_lower = model.lower()
@@ -99,7 +158,54 @@ class LiteLLMProvider(LLMProvider):
if pattern in model_lower:
kwargs.update(overrides)
return
@staticmethod
def _extra_msg_keys(original_model: str, resolved_model: str) -> frozenset[str]:
"""Return provider-specific extra keys to preserve in request messages."""
spec = find_by_model(original_model) or find_by_model(resolved_model)
if (spec and spec.name == "anthropic") or "claude" in original_model.lower() or resolved_model.startswith("anthropic/"):
return _ANTHROPIC_EXTRA_KEYS
return frozenset()
@staticmethod
def _normalize_tool_call_id(tool_call_id: Any) -> Any:
"""Normalize tool_call_id to a provider-safe 9-char alphanumeric form."""
if not isinstance(tool_call_id, str):
return tool_call_id
if len(tool_call_id) == 9 and tool_call_id.isalnum():
return tool_call_id
return hashlib.sha1(tool_call_id.encode()).hexdigest()[:9]
@staticmethod
def _sanitize_messages(messages: list[dict[str, Any]], extra_keys: frozenset[str] = frozenset()) -> list[dict[str, Any]]:
"""Strip non-standard keys and ensure assistant messages have a content key."""
allowed = _ALLOWED_MSG_KEYS | extra_keys
sanitized = LLMProvider._sanitize_request_messages(messages, allowed)
id_map: dict[str, str] = {}
def map_id(value: Any) -> Any:
if not isinstance(value, str):
return value
return id_map.setdefault(value, LiteLLMProvider._normalize_tool_call_id(value))
for clean in sanitized:
# Keep assistant tool_calls[].id and tool tool_call_id in sync after
# shortening, otherwise strict providers reject the broken linkage.
if isinstance(clean.get("tool_calls"), list):
normalized_tool_calls = []
for tc in clean["tool_calls"]:
if not isinstance(tc, dict):
normalized_tool_calls.append(tc)
continue
tc_clean = dict(tc)
tc_clean["id"] = map_id(tc_clean.get("id"))
normalized_tool_calls.append(tc_clean)
clean["tool_calls"] = normalized_tool_calls
if "tool_call_id" in clean and clean["tool_call_id"]:
clean["tool_call_id"] = map_id(clean["tool_call_id"])
return sanitized
async def chat(
self,
messages: list[dict[str, Any]],
@@ -107,52 +213,62 @@ class LiteLLMProvider(LLMProvider):
model: str | None = None,
max_tokens: int = 4096,
temperature: float = 0.7,
reasoning_effort: str | None = None,
) -> LLMResponse:
"""
Send a chat completion request via LiteLLM.
Args:
messages: List of message dicts with 'role' and 'content'.
tools: Optional list of tool definitions in OpenAI format.
model: Model identifier (e.g., 'anthropic/claude-sonnet-4-5').
max_tokens: Maximum tokens in response.
temperature: Sampling temperature.
Returns:
LLMResponse with content and/or tool calls.
"""
model = self._resolve_model(model or self.default_model)
original_model = model or self.default_model
model = self._resolve_model(original_model)
extra_msg_keys = self._extra_msg_keys(original_model, model)
if self._supports_cache_control(original_model):
messages, tools = self._apply_cache_control(messages, tools)
# Clamp max_tokens to at least 1 — negative or zero values cause
# LiteLLM to reject the request with "max_tokens must be at least 1".
max_tokens = max(1, max_tokens)
kwargs: dict[str, Any] = {
"model": model,
"messages": messages,
"messages": self._sanitize_messages(self._sanitize_empty_content(messages), extra_keys=extra_msg_keys),
"max_tokens": max_tokens,
"temperature": temperature,
}
# Apply model-specific overrides (e.g. kimi-k2.5 temperature)
self._apply_model_overrides(model, kwargs)
# Pass api_key directly — more reliable than env vars alone
if self.api_key:
kwargs["api_key"] = self.api_key
# Pass api_base for custom endpoints
if self.api_base:
kwargs["api_base"] = self.api_base
# Pass extra headers (e.g. APP-Code for AiHubMix)
if self.extra_headers:
kwargs["extra_headers"] = self.extra_headers
if reasoning_effort:
kwargs["reasoning_effort"] = reasoning_effort
kwargs["drop_params"] = True
if tools:
kwargs["tools"] = tools
kwargs["tool_choice"] = "auto"
try:
response = await acompletion(**kwargs)
return self._parse_response(response)
@@ -162,26 +278,43 @@ class LiteLLMProvider(LLMProvider):
content=f"Error calling LLM: {str(e)}",
finish_reason="error",
)
def _parse_response(self, response: Any) -> LLMResponse:
"""Parse LiteLLM response into our standard format."""
choice = response.choices[0]
message = choice.message
content = message.content
finish_reason = choice.finish_reason
# Some providers (e.g. GitHub Copilot) split content and tool_calls
# across multiple choices. Merge them so tool_calls are not lost.
raw_tool_calls = []
for ch in response.choices:
msg = ch.message
if hasattr(msg, "tool_calls") and msg.tool_calls:
raw_tool_calls.extend(msg.tool_calls)
if ch.finish_reason in ("tool_calls", "stop"):
finish_reason = ch.finish_reason
if not content and msg.content:
content = msg.content
if len(response.choices) > 1:
logger.debug("LiteLLM response has {} choices, merged {} tool_calls",
len(response.choices), len(raw_tool_calls))
tool_calls = []
if hasattr(message, "tool_calls") and message.tool_calls:
for tc in message.tool_calls:
# Parse arguments from JSON string if needed
args = tc.function.arguments
if isinstance(args, str):
args = json_repair.loads(args)
tool_calls.append(ToolCallRequest(
id=tc.id,
name=tc.function.name,
arguments=args,
))
for tc in raw_tool_calls:
# Parse arguments from JSON string if needed
args = tc.function.arguments
if isinstance(args, str):
args = json_repair.loads(args)
tool_calls.append(ToolCallRequest(
id=_short_tool_id(),
name=tc.function.name,
arguments=args,
))
usage = {}
if hasattr(response, "usage") and response.usage:
usage = {
@@ -189,17 +322,19 @@ class LiteLLMProvider(LLMProvider):
"completion_tokens": response.usage.completion_tokens,
"total_tokens": response.usage.total_tokens,
}
reasoning_content = getattr(message, "reasoning_content", None)
reasoning_content = getattr(message, "reasoning_content", None) or None
thinking_blocks = getattr(message, "thinking_blocks", None) or None
return LLMResponse(
content=message.content,
content=content,
tool_calls=tool_calls,
finish_reason=choice.finish_reason or "stop",
finish_reason=finish_reason or "stop",
usage=usage,
reasoning_content=reasoning_content,
thinking_blocks=thinking_blocks,
)
def get_default_model(self) -> str:
"""Get the default model."""
return self.default_model

316
nanobot/providers/openai_codex_provider.py Normal file
View File

@@ -0,0 +1,316 @@
"""OpenAI Codex Responses Provider."""
from __future__ import annotations
import asyncio
import hashlib
import json
from typing import Any, AsyncGenerator
import httpx
from loguru import logger
from oauth_cli_kit import get_token as get_codex_token
from nanobot.providers.base import LLMProvider, LLMResponse, ToolCallRequest
DEFAULT_CODEX_URL = "https://chatgpt.com/backend-api/codex/responses"
DEFAULT_ORIGINATOR = "nanobot"
class OpenAICodexProvider(LLMProvider):
"""Use Codex OAuth to call the Responses API."""
def __init__(self, default_model: str = "openai-codex/gpt-5.1-codex"):
super().__init__(api_key=None, api_base=None)
self.default_model = default_model
async def chat(
self,
messages: list[dict[str, Any]],
tools: list[dict[str, Any]] | None = None,
model: str | None = None,
max_tokens: int = 4096,
temperature: float = 0.7,
reasoning_effort: str | None = None,
) -> LLMResponse:
model = model or self.default_model
system_prompt, input_items = _convert_messages(messages)
token = await asyncio.to_thread(get_codex_token)
headers = _build_headers(token.account_id, token.access)
body: dict[str, Any] = {
"model": _strip_model_prefix(model),
"store": False,
"stream": True,
"instructions": system_prompt,
"input": input_items,
"text": {"verbosity": "medium"},
"include": ["reasoning.encrypted_content"],
"prompt_cache_key": _prompt_cache_key(messages),
"tool_choice": "auto",
"parallel_tool_calls": True,
}
if reasoning_effort:
body["reasoning"] = {"effort": reasoning_effort}
if tools:
body["tools"] = _convert_tools(tools)
url = DEFAULT_CODEX_URL
try:
try:
content, tool_calls, finish_reason = await _request_codex(url, headers, body, verify=True)
except Exception as e:
if "CERTIFICATE_VERIFY_FAILED" not in str(e):
raise
logger.warning("SSL certificate verification failed for Codex API; retrying with verify=False")
content, tool_calls, finish_reason = await _request_codex(url, headers, body, verify=False)
return LLMResponse(
content=content,
tool_calls=tool_calls,
finish_reason=finish_reason,
)
except Exception as e:
return LLMResponse(
content=f"Error calling Codex: {str(e)}",
finish_reason="error",
)
def get_default_model(self) -> str:
return self.default_model
def _strip_model_prefix(model: str) -> str:
if model.startswith("openai-codex/") or model.startswith("openai_codex/"):
return model.split("/", 1)[1]
return model
def _build_headers(account_id: str, token: str) -> dict[str, str]:
return {
"Authorization": f"Bearer {token}",
"chatgpt-account-id": account_id,
"OpenAI-Beta": "responses=experimental",
"originator": DEFAULT_ORIGINATOR,
"User-Agent": "nanobot (python)",
"accept": "text/event-stream",
"content-type": "application/json",
}
async def _request_codex(
url: str,
headers: dict[str, str],
body: dict[str, Any],
verify: bool,
) -> tuple[str, list[ToolCallRequest], str]:
async with httpx.AsyncClient(timeout=60.0, verify=verify) as client:
async with client.stream("POST", url, headers=headers, json=body) as response:
if response.status_code != 200:
text = await response.aread()
raise RuntimeError(_friendly_error(response.status_code, text.decode("utf-8", "ignore")))
return await _consume_sse(response)
def _convert_tools(tools: list[dict[str, Any]]) -> list[dict[str, Any]]:
"""Convert OpenAI function-calling schema to Codex flat format."""
converted: list[dict[str, Any]] = []
for tool in tools:
fn = (tool.get("function") or {}) if tool.get("type") == "function" else tool
name = fn.get("name")
if not name:
continue
params = fn.get("parameters") or {}
converted.append({
"type": "function",
"name": name,
"description": fn.get("description") or "",
"parameters": params if isinstance(params, dict) else {},
})
return converted
def _convert_messages(messages: list[dict[str, Any]]) -> tuple[str, list[dict[str, Any]]]:
system_prompt = ""
input_items: list[dict[str, Any]] = []
for idx, msg in enumerate(messages):
role = msg.get("role")
content = msg.get("content")
if role == "system":
system_prompt = content if isinstance(content, str) else ""
continue
if role == "user":
input_items.append(_convert_user_message(content))
continue
if role == "assistant":
# Handle text first.
if isinstance(content, str) and content:
input_items.append(
{
"type": "message",
"role": "assistant",
"content": [{"type": "output_text", "text": content}],
"status": "completed",
"id": f"msg_{idx}",
}
)
# Then handle tool calls.
for tool_call in msg.get("tool_calls", []) or []:
fn = tool_call.get("function") or {}
call_id, item_id = _split_tool_call_id(tool_call.get("id"))
call_id = call_id or f"call_{idx}"
item_id = item_id or f"fc_{idx}"
input_items.append(
{
"type": "function_call",
"id": item_id,
"call_id": call_id,
"name": fn.get("name"),
"arguments": fn.get("arguments") or "{}",
}
)
continue
if role == "tool":
call_id, _ = _split_tool_call_id(msg.get("tool_call_id"))
output_text = content if isinstance(content, str) else json.dumps(content, ensure_ascii=False)
input_items.append(
{
"type": "function_call_output",
"call_id": call_id,
"output": output_text,
}
)
continue
return system_prompt, input_items
def _convert_user_message(content: Any) -> dict[str, Any]:
if isinstance(content, str):
return {"role": "user", "content": [{"type": "input_text", "text": content}]}
if isinstance(content, list):
converted: list[dict[str, Any]] = []
for item in content:
if not isinstance(item, dict):
continue
if item.get("type") == "text":
converted.append({"type": "input_text", "text": item.get("text", "")})
elif item.get("type") == "image_url":
url = (item.get("image_url") or {}).get("url")
if url:
converted.append({"type": "input_image", "image_url": url, "detail": "auto"})
if converted:
return {"role": "user", "content": converted}
return {"role": "user", "content": [{"type": "input_text", "text": ""}]}
def _split_tool_call_id(tool_call_id: Any) -> tuple[str, str | None]:
if isinstance(tool_call_id, str) and tool_call_id:
if "|" in tool_call_id:
call_id, item_id = tool_call_id.split("|", 1)
return call_id, item_id or None
return tool_call_id, None
return "call_0", None
def _prompt_cache_key(messages: list[dict[str, Any]]) -> str:
raw = json.dumps(messages, ensure_ascii=True, sort_keys=True)
return hashlib.sha256(raw.encode("utf-8")).hexdigest()
async def _iter_sse(response: httpx.Response) -> AsyncGenerator[dict[str, Any], None]:
buffer: list[str] = []
async for line in response.aiter_lines():
if line == "":
if buffer:
data_lines = [l[5:].strip() for l in buffer if l.startswith("data:")]
buffer = []
if not data_lines:
continue
data = "\n".join(data_lines).strip()
if not data or data == "[DONE]":
continue
try:
yield json.loads(data)
except Exception:
continue
continue
buffer.append(line)
async def _consume_sse(response: httpx.Response) -> tuple[str, list[ToolCallRequest], str]:
content = ""
tool_calls: list[ToolCallRequest] = []
tool_call_buffers: dict[str, dict[str, Any]] = {}
finish_reason = "stop"
async for event in _iter_sse(response):
event_type = event.get("type")
if event_type == "response.output_item.added":
item = event.get("item") or {}
if item.get("type") == "function_call":
call_id = item.get("call_id")
if not call_id:
continue
tool_call_buffers[call_id] = {
"id": item.get("id") or "fc_0",
"name": item.get("name"),
"arguments": item.get("arguments") or "",
}
elif event_type == "response.output_text.delta":
content += event.get("delta") or ""
elif event_type == "response.function_call_arguments.delta":
call_id = event.get("call_id")
if call_id and call_id in tool_call_buffers:
tool_call_buffers[call_id]["arguments"] += event.get("delta") or ""
elif event_type == "response.function_call_arguments.done":
call_id = event.get("call_id")
if call_id and call_id in tool_call_buffers:
tool_call_buffers[call_id]["arguments"] = event.get("arguments") or ""
elif event_type == "response.output_item.done":
item = event.get("item") or {}
if item.get("type") == "function_call":
call_id = item.get("call_id")
if not call_id:
continue
buf = tool_call_buffers.get(call_id) or {}
args_raw = buf.get("arguments") or item.get("arguments") or "{}"
try:
args = json.loads(args_raw)
except Exception:
args = {"raw": args_raw}
tool_calls.append(
ToolCallRequest(
id=f"{call_id}|{buf.get('id') or item.get('id') or 'fc_0'}",
name=buf.get("name") or item.get("name"),
arguments=args,
)
)
elif event_type == "response.completed":
status = (event.get("response") or {}).get("status")
finish_reason = _map_finish_reason(status)
elif event_type in {"error", "response.failed"}:
raise RuntimeError("Codex response failed")
return content, tool_calls, finish_reason
_FINISH_REASON_MAP = {"completed": "stop", "incomplete": "length", "failed": "error", "cancelled": "error"}
def _map_finish_reason(status: str | None) -> str:
return _FINISH_REASON_MAP.get(status or "completed", "stop")
def _friendly_error(status_code: int, raw: str) -> str:
if status_code == 429:
return "ChatGPT usage quota exceeded or rate limit triggered. Please try again later."
return f"HTTP {status_code}: {raw}"

207
nanobot/providers/registry.py
View File

@@ -26,31 +26,40 @@ class ProviderSpec:
"""
# identity
name: str # config field name, e.g. "dashscope"
keywords: tuple[str, ...] # model-name keywords for matching (lowercase)
env_key: str # LiteLLM env var, e.g. "DASHSCOPE_API_KEY"
display_name: str = "" # shown in `nanobot status`
name: str # config field name, e.g. "dashscope"
keywords: tuple[str, ...] # model-name keywords for matching (lowercase)
env_key: str # LiteLLM env var, e.g. "DASHSCOPE_API_KEY"
display_name: str = "" # shown in `nanobot status`
# model prefixing
litellm_prefix: str = "" # "dashscope" → model becomes "dashscope/{model}"
skip_prefixes: tuple[str, ...] = () # don't prefix if model already starts with these
litellm_prefix: str = "" # "dashscope" → model becomes "dashscope/{model}"
skip_prefixes: tuple[str, ...] = () # don't prefix if model already starts with these
# extra env vars, e.g. (("ZHIPUAI_API_KEY", "{api_key}"),)
env_extras: tuple[tuple[str, str], ...] = ()
# gateway / local detection
is_gateway: bool = False # routes any model (OpenRouter, AiHubMix)
is_local: bool = False # local deployment (vLLM, Ollama)
detect_by_key_prefix: str = "" # match api_key prefix, e.g. "sk-or-"
detect_by_base_keyword: str = "" # match substring in api_base URL
default_api_base: str = "" # fallback base URL
is_gateway: bool = False # routes any model (OpenRouter, AiHubMix)
is_local: bool = False # local deployment (vLLM, Ollama)
detect_by_key_prefix: str = "" # match api_key prefix, e.g. "sk-or-"
detect_by_base_keyword: str = "" # match substring in api_base URL
default_api_base: str = "" # fallback base URL
# gateway behavior
strip_model_prefix: bool = False # strip "provider/" before re-prefixing
strip_model_prefix: bool = False # strip "provider/" before re-prefixing
# per-model param overrides, e.g. (("kimi-k2.5", {"temperature": 1.0}),)
model_overrides: tuple[tuple[str, dict[str, Any]], ...] = ()
# OAuth-based providers (e.g., OpenAI Codex) don't use API keys
is_oauth: bool = False # if True, uses OAuth flow instead of API key
# Direct providers bypass LiteLLM entirely (e.g., CustomProvider)
is_direct: bool = False
# Provider supports cache_control on content blocks (e.g. Anthropic prompt caching)
supports_prompt_caching: bool = False
@property
def label(self) -> str:
return self.display_name or self.name.title()
@@ -61,31 +70,34 @@ class ProviderSpec:
# ---------------------------------------------------------------------------
PROVIDERS: tuple[ProviderSpec, ...] = (
# === Custom (user-provided OpenAI-compatible endpoint) =================
# No auto-detection — only activates when user explicitly configures "custom".
# === Custom (direct OpenAI-compatible endpoint, bypasses LiteLLM) ======
ProviderSpec(
name="custom",
keywords=(),
env_key="OPENAI_API_KEY",
env_key="",
display_name="Custom",
litellm_prefix="openai",
skip_prefixes=("openai/",),
is_gateway=True,
strip_model_prefix=True,
litellm_prefix="",
is_direct=True,
),
# === Azure OpenAI (direct API calls with API version 2024-10-21) =====
ProviderSpec(
name="azure_openai",
keywords=("azure", "azure-openai"),
env_key="",
display_name="Azure OpenAI",
litellm_prefix="",
is_direct=True,
),
# === Gateways (detected by api_key / api_base, not model name) =========
# Gateways can route any model, so they win in fallback.
# OpenRouter: global gateway, keys start with "sk-or-"
ProviderSpec(
name="openrouter",
keywords=("openrouter",),
env_key="OPENROUTER_API_KEY",
display_name="OpenRouter",
litellm_prefix="openrouter", # claude-3 → openrouter/claude-3
litellm_prefix="openrouter", # claude-3 → openrouter/claude-3
skip_prefixes=(),
env_extras=(),
is_gateway=True,
@@ -95,17 +107,17 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
default_api_base="https://openrouter.ai/api/v1",
strip_model_prefix=False,
model_overrides=(),
supports_prompt_caching=True,
),
# AiHubMix: global gateway, OpenAI-compatible interface.
# strip_model_prefix=True: it doesn't understand "anthropic/claude-3",
# so we strip to bare "claude-3" then re-prefix as "openai/claude-3".
ProviderSpec(
name="aihubmix",
keywords=("aihubmix",),
env_key="OPENAI_API_KEY", # OpenAI-compatible
env_key="OPENAI_API_KEY", # OpenAI-compatible
display_name="AiHubMix",
litellm_prefix="openai", # → openai/{model}
litellm_prefix="openai", # → openai/{model}
skip_prefixes=(),
env_extras=(),
is_gateway=True,
@@ -113,12 +125,44 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
detect_by_key_prefix="",
detect_by_base_keyword="aihubmix",
default_api_base="https://aihubmix.com/v1",
strip_model_prefix=True, # anthropic/claude-3 → claude-3 → openai/claude-3
strip_model_prefix=True, # anthropic/claude-3 → claude-3 → openai/claude-3
model_overrides=(),
),
# SiliconFlow (硅基流动): OpenAI-compatible gateway, model names keep org prefix
ProviderSpec(
name="siliconflow",
keywords=("siliconflow",),
env_key="OPENAI_API_KEY",
display_name="SiliconFlow",
litellm_prefix="openai",
skip_prefixes=(),
env_extras=(),
is_gateway=True,
is_local=False,
detect_by_key_prefix="",
detect_by_base_keyword="siliconflow",
default_api_base="https://api.siliconflow.cn/v1",
strip_model_prefix=False,
model_overrides=(),
),
# VolcEngine (火山引擎): OpenAI-compatible gateway
ProviderSpec(
name="volcengine",
keywords=("volcengine", "volces", "ark"),
env_key="OPENAI_API_KEY",
display_name="VolcEngine",
litellm_prefix="volcengine",
skip_prefixes=(),
env_extras=(),
is_gateway=True,
is_local=False,
detect_by_key_prefix="",
detect_by_base_keyword="volces",
default_api_base="https://ark.cn-beijing.volces.com/api/v3",
strip_model_prefix=False,
model_overrides=(),
),
# === Standard providers (matched by model-name keywords) ===============
# Anthropic: LiteLLM recognizes "claude-*" natively, no prefix needed.
ProviderSpec(
name="anthropic",
@@ -135,8 +179,8 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
default_api_base="",
strip_model_prefix=False,
model_overrides=(),
supports_prompt_caching=True,
),
# OpenAI: LiteLLM recognizes "gpt-*" natively, no prefix needed.
ProviderSpec(
name="openai",
@@ -154,15 +198,50 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
strip_model_prefix=False,
model_overrides=(),
),
# OpenAI Codex: uses OAuth, not API key.
ProviderSpec(
name="openai_codex",
keywords=("openai-codex",),
env_key="", # OAuth-based, no API key
display_name="OpenAI Codex",
litellm_prefix="", # Not routed through LiteLLM
skip_prefixes=(),
env_extras=(),
is_gateway=False,
is_local=False,
detect_by_key_prefix="",
detect_by_base_keyword="codex",
default_api_base="https://chatgpt.com/backend-api",
strip_model_prefix=False,
model_overrides=(),
is_oauth=True, # OAuth-based authentication
),
# Github Copilot: uses OAuth, not API key.
ProviderSpec(
name="github_copilot",
keywords=("github_copilot", "copilot"),
env_key="", # OAuth-based, no API key
display_name="Github Copilot",
litellm_prefix="github_copilot", # github_copilot/model → github_copilot/model
skip_prefixes=("github_copilot/",),
env_extras=(),
is_gateway=False,
is_local=False,
detect_by_key_prefix="",
detect_by_base_keyword="",
default_api_base="",
strip_model_prefix=False,
model_overrides=(),
is_oauth=True, # OAuth-based authentication
),
# DeepSeek: needs "deepseek/" prefix for LiteLLM routing.
ProviderSpec(
name="deepseek",
keywords=("deepseek",),
env_key="DEEPSEEK_API_KEY",
display_name="DeepSeek",
litellm_prefix="deepseek", # deepseek-chat → deepseek/deepseek-chat
skip_prefixes=("deepseek/",), # avoid double-prefix
litellm_prefix="deepseek", # deepseek-chat → deepseek/deepseek-chat
skip_prefixes=("deepseek/",), # avoid double-prefix
env_extras=(),
is_gateway=False,
is_local=False,
@@ -172,15 +251,14 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
strip_model_prefix=False,
model_overrides=(),
),
# Gemini: needs "gemini/" prefix for LiteLLM.
ProviderSpec(
name="gemini",
keywords=("gemini",),
env_key="GEMINI_API_KEY",
display_name="Gemini",
litellm_prefix="gemini", # gemini-pro → gemini/gemini-pro
skip_prefixes=("gemini/",), # avoid double-prefix
litellm_prefix="gemini", # gemini-pro → gemini/gemini-pro
skip_prefixes=("gemini/",), # avoid double-prefix
env_extras=(),
is_gateway=False,
is_local=False,
@@ -190,7 +268,6 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
strip_model_prefix=False,
model_overrides=(),
),
# Zhipu: LiteLLM uses "zai/" prefix.
# Also mirrors key to ZHIPUAI_API_KEY (some LiteLLM paths check that).
# skip_prefixes: don't add "zai/" when already routed via gateway.
@@ -199,11 +276,9 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
keywords=("zhipu", "glm", "zai"),
env_key="ZAI_API_KEY",
display_name="Zhipu AI",
litellm_prefix="zai", # glm-4 → zai/glm-4
litellm_prefix="zai", # glm-4 → zai/glm-4
skip_prefixes=("zhipu/", "zai/", "openrouter/", "hosted_vllm/"),
env_extras=(
("ZHIPUAI_API_KEY", "{api_key}"),
),
env_extras=(("ZHIPUAI_API_KEY", "{api_key}"),),
is_gateway=False,
is_local=False,
detect_by_key_prefix="",
@@ -212,14 +287,13 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
strip_model_prefix=False,
model_overrides=(),
),
# DashScope: Qwen models, needs "dashscope/" prefix.
ProviderSpec(
name="dashscope",
keywords=("qwen", "dashscope"),
env_key="DASHSCOPE_API_KEY",
display_name="DashScope",
litellm_prefix="dashscope", # qwen-max → dashscope/qwen-max
litellm_prefix="dashscope", # qwen-max → dashscope/qwen-max
skip_prefixes=("dashscope/", "openrouter/"),
env_extras=(),
is_gateway=False,
@@ -230,7 +304,6 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
strip_model_prefix=False,
model_overrides=(),
),
# Moonshot: Kimi models, needs "moonshot/" prefix.
# LiteLLM requires MOONSHOT_API_BASE env var to find the endpoint.
# Kimi K2.5 API enforces temperature >= 1.0.
@@ -239,22 +312,17 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
keywords=("moonshot", "kimi"),
env_key="MOONSHOT_API_KEY",
display_name="Moonshot",
litellm_prefix="moonshot", # kimi-k2.5 → moonshot/kimi-k2.5
litellm_prefix="moonshot", # kimi-k2.5 → moonshot/kimi-k2.5
skip_prefixes=("moonshot/", "openrouter/"),
env_extras=(
("MOONSHOT_API_BASE", "{api_base}"),
),
env_extras=(("MOONSHOT_API_BASE", "{api_base}"),),
is_gateway=False,
is_local=False,
detect_by_key_prefix="",
detect_by_base_keyword="",
default_api_base="https://api.moonshot.ai/v1", # intl; use api.moonshot.cn for China
default_api_base="https://api.moonshot.ai/v1", # intl; use api.moonshot.cn for China
strip_model_prefix=False,
model_overrides=(
("kimi-k2.5", {"temperature": 1.0}),
),
model_overrides=(("kimi-k2.5", {"temperature": 1.0}),),
),
# MiniMax: needs "minimax/" prefix for LiteLLM routing.
# Uses OpenAI-compatible API at api.minimax.io/v1.
ProviderSpec(
@@ -262,7 +330,7 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
keywords=("minimax",),
env_key="MINIMAX_API_KEY",
display_name="MiniMax",
litellm_prefix="minimax", # MiniMax-M2.1 → minimax/MiniMax-M2.1
litellm_prefix="minimax", # MiniMax-M2.1 → minimax/MiniMax-M2.1
skip_prefixes=("minimax/", "openrouter/"),
env_extras=(),
is_gateway=False,
@@ -273,9 +341,7 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
strip_model_prefix=False,
model_overrides=(),
),
# === Local deployment (matched by config key, NOT by api_base) =========
# vLLM / any OpenAI-compatible local server.
# Detected when config key is "vllm" (provider_name="vllm").
ProviderSpec(
@@ -283,20 +349,18 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
keywords=("vllm",),
env_key="HOSTED_VLLM_API_KEY",
display_name="vLLM/Local",
litellm_prefix="hosted_vllm", # Llama-3-8B → hosted_vllm/Llama-3-8B
litellm_prefix="hosted_vllm", # Llama-3-8B → hosted_vllm/Llama-3-8B
skip_prefixes=(),
env_extras=(),
is_gateway=False,
is_local=True,
detect_by_key_prefix="",
detect_by_base_keyword="",
default_api_base="", # user must provide in config
default_api_base="", # user must provide in config
strip_model_prefix=False,
model_overrides=(),
),
# === Auxiliary (not a primary LLM provider) ============================
# Groq: mainly used for Whisper voice transcription, also usable for LLM.
# Needs "groq/" prefix for LiteLLM routing. Placed last — it rarely wins fallback.
ProviderSpec(
@@ -304,8 +368,8 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
keywords=("groq",),
env_key="GROQ_API_KEY",
display_name="Groq",
litellm_prefix="groq", # llama3-8b-8192 → groq/llama3-8b-8192
skip_prefixes=("groq/",), # avoid double-prefix
litellm_prefix="groq", # llama3-8b-8192 → groq/llama3-8b-8192
skip_prefixes=("groq/",), # avoid double-prefix
env_extras=(),
is_gateway=False,
is_local=False,
@@ -322,14 +386,25 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
# Lookup helpers
# ---------------------------------------------------------------------------
def find_by_model(model: str) -> ProviderSpec | None:
"""Match a standard provider by model-name keyword (case-insensitive).
Skips gateways/local — those are matched by api_key/api_base instead."""
model_lower = model.lower()
for spec in PROVIDERS:
if spec.is_gateway or spec.is_local:
continue
if any(kw in model_lower for kw in spec.keywords):
model_normalized = model_lower.replace("-", "_")
model_prefix = model_lower.split("/", 1)[0] if "/" in model_lower else ""
normalized_prefix = model_prefix.replace("-", "_")
std_specs = [s for s in PROVIDERS if not s.is_gateway and not s.is_local]
# Prefer explicit provider prefix — prevents `github-copilot/...codex` matching openai_codex.
for spec in std_specs:
if model_prefix and normalized_prefix == spec.name:
return spec
for spec in std_specs:
if any(
kw in model_lower or kw.replace("-", "_") in model_normalized for kw in spec.keywords
):
return spec
return None

25
nanobot/providers/transcription.py
View File

@@ -2,7 +2,6 @@
import os
from pathlib import Path
from typing import Any
import httpx
from loguru import logger
@@ -11,33 +10,33 @@ from loguru import logger
class GroqTranscriptionProvider:
"""
Voice transcription provider using Groq's Whisper API.
Groq offers extremely fast transcription with a generous free tier.
"""
def __init__(self, api_key: str | None = None):
self.api_key = api_key or os.environ.get("GROQ_API_KEY")
self.api_url = "https://api.groq.com/openai/v1/audio/transcriptions"
async def transcribe(self, file_path: str | Path) -> str:
"""
Transcribe an audio file using Groq.
Args:
file_path: Path to the audio file.
Returns:
Transcribed text.
"""
if not self.api_key:
logger.warning("Groq API key not configured for transcription")
return ""
path = Path(file_path)
if not path.exists():
logger.error(f"Audio file not found: {file_path}")
logger.error("Audio file not found: {}", file_path)
return ""
try:
async with httpx.AsyncClient() as client:
with open(path, "rb") as f:
@@ -48,18 +47,18 @@ class GroqTranscriptionProvider:
headers = {
"Authorization": f"Bearer {self.api_key}",
}
response = await client.post(
self.api_url,
headers=headers,
files=files,
timeout=60.0
)
response.raise_for_status()
data = response.json()
return data.get("text", "")
except Exception as e:
logger.error(f"Groq transcription error: {e}")
logger.error("Groq transcription error: {}", e)
return ""

2
nanobot/session/__init__.py
View File

@@ -1,5 +1,5 @@
"""Session management module."""
from nanobot.session.manager import SessionManager, Session
from nanobot.session.manager import Session, SessionManager
__all__ = ["SessionManager", "Session"]

87
nanobot/session/manager.py
View File

@@ -1,9 +1,10 @@
"""Session management for conversation history."""
import json
from pathlib import Path
import shutil
from dataclasses import dataclass, field
from datetime import datetime
from pathlib import Path
from typing import Any
from loguru import logger
@@ -29,7 +30,7 @@ class Session:
updated_at: datetime = field(default_factory=datetime.now)
metadata: dict[str, Any] = field(default_factory=dict)
last_consolidated: int = 0 # Number of messages already consolidated to files
def add_message(self, role: str, content: str, **kwargs: Any) -> None:
"""Add a message to the session."""
msg = {
@@ -40,11 +41,27 @@ class Session:
}
self.messages.append(msg)
self.updated_at = datetime.now()
def get_history(self, max_messages: int = 500) -> list[dict[str, Any]]:
"""Get recent messages in LLM format (role + content only)."""
return [{"role": m["role"], "content": m["content"]} for m in self.messages[-max_messages:]]
"""Return unconsolidated messages for LLM input, aligned to a user turn."""
unconsolidated = self.messages[self.last_consolidated:]
sliced = unconsolidated[-max_messages:]
# Drop leading non-user messages to avoid orphaned tool_result blocks
for i, m in enumerate(sliced):
if m.get("role") == "user":
sliced = sliced[i:]
break
out: list[dict[str, Any]] = []
for m in sliced:
entry: dict[str, Any] = {"role": m["role"], "content": m.get("content", "")}
for k in ("tool_calls", "tool_call_id", "name"):
if k in m:
entry[k] = m[k]
out.append(entry)
return out
def clear(self) -> None:
"""Clear all messages and reset session to initial state."""
self.messages = []
@@ -61,37 +78,51 @@ class SessionManager:
def __init__(self, workspace: Path):
self.workspace = workspace
self.sessions_dir = ensure_dir(Path.home() / ".nanobot" / "sessions")
self.sessions_dir = ensure_dir(self.workspace / "sessions")
self.legacy_sessions_dir = Path.home() / ".nanobot" / "sessions"
self._cache: dict[str, Session] = {}
def _get_session_path(self, key: str) -> Path:
"""Get the file path for a session."""
safe_key = safe_filename(key.replace(":", "_"))
return self.sessions_dir / f"{safe_key}.jsonl"
def _get_legacy_session_path(self, key: str) -> Path:
"""Legacy global session path (~/.nanobot/sessions/)."""
safe_key = safe_filename(key.replace(":", "_"))
return self.legacy_sessions_dir / f"{safe_key}.jsonl"
def get_or_create(self, key: str) -> Session:
"""
Get an existing session or create a new one.
Args:
key: Session key (usually channel:chat_id).
Returns:
The session.
"""
if key in self._cache:
return self._cache[key]
session = self._load(key)
if session is None:
session = Session(key=key)
self._cache[key] = session
return session
def _load(self, key: str) -> Session | None:
"""Load a session from disk."""
path = self._get_session_path(key)
if not path.exists():
legacy_path = self._get_legacy_session_path(key)
if legacy_path.exists():
try:
shutil.move(str(legacy_path), str(path))
logger.info("Migrated session {} from legacy path", key)
except Exception:
logger.exception("Failed to migrate session {}", key)
if not path.exists():
return None
@@ -102,7 +133,7 @@ class SessionManager:
created_at = None
last_consolidated = 0
with open(path) as f:
with open(path, encoding="utf-8") as f:
for line in f:
line = line.strip()
if not line:
@@ -125,55 +156,57 @@ class SessionManager:
last_consolidated=last_consolidated
)
except Exception as e:
logger.warning(f"Failed to load session {key}: {e}")
logger.warning("Failed to load session {}: {}", key, e)
return None
def save(self, session: Session) -> None:
"""Save a session to disk."""
path = self._get_session_path(session.key)
with open(path, "w") as f:
with open(path, "w", encoding="utf-8") as f:
metadata_line = {
"_type": "metadata",
"key": session.key,
"created_at": session.created_at.isoformat(),
"updated_at": session.updated_at.isoformat(),
"metadata": session.metadata,
"last_consolidated": session.last_consolidated
}
f.write(json.dumps(metadata_line) + "\n")
f.write(json.dumps(metadata_line, ensure_ascii=False) + "\n")
for msg in session.messages:
f.write(json.dumps(msg) + "\n")
f.write(json.dumps(msg, ensure_ascii=False) + "\n")
self._cache[session.key] = session
def invalidate(self, key: str) -> None:
"""Remove a session from the in-memory cache."""
self._cache.pop(key, None)
def list_sessions(self) -> list[dict[str, Any]]:
"""
List all sessions.
Returns:
List of session info dicts.
"""
sessions = []
for path in self.sessions_dir.glob("*.jsonl"):
try:
# Read just the metadata line
with open(path) as f:
with open(path, encoding="utf-8") as f:
first_line = f.readline().strip()
if first_line:
data = json.loads(first_line)
if data.get("_type") == "metadata":
key = data.get("key") or path.stem.replace("_", ":", 1)
sessions.append({
"key": path.stem.replace("_", ":"),
"key": key,
"created_at": data.get("created_at"),
"updated_at": data.get("updated_at"),
"path": str(path)
})
except Exception:
continue
return sorted(sessions, key=lambda x: x.get("updated_at", ""), reverse=True)

1
nanobot/skills/README.md
View File

@@ -21,4 +21,5 @@ The skill format and metadata structure follow OpenClaw's conventions to maintai
| `weather` | Get weather info using wttr.in and Open-Meteo |
| `summarize` | Summarize URLs, files, and YouTube videos |
| `tmux` | Remote-control tmux sessions |
| `clawhub` | Search and install skills from ClawHub registry |
| `skill-creator` | Create new skills |

53
nanobot/skills/clawhub/SKILL.md Normal file
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@@ -0,0 +1,53 @@
---
name: clawhub
description: Search and install agent skills from ClawHub, the public skill registry.
homepage: https://clawhub.ai
metadata: {"nanobot":{"emoji":"🦞"}}
---
# ClawHub
Public skill registry for AI agents. Search by natural language (vector search).
## When to use
Use this skill when the user asks any of:
- "find a skill for …"
- "search for skills"
- "install a skill"
- "what skills are available?"
- "update my skills"
## Search
```bash
npx --yes clawhub@latest search "web scraping" --limit 5
```
## Install
```bash
npx --yes clawhub@latest install <slug> --workdir ~/.nanobot/workspace
```
Replace `<slug>` with the skill name from search results. This places the skill into `~/.nanobot/workspace/skills/`, where nanobot loads workspace skills from. Always include `--workdir`.
## Update
```bash
npx --yes clawhub@latest update --all --workdir ~/.nanobot/workspace
```
## List installed
```bash
npx --yes clawhub@latest list --workdir ~/.nanobot/workspace
```
## Notes
- Requires Node.js (`npx` comes with it).
- No API key needed for search and install.
- Login (`npx --yes clawhub@latest login`) is only required for publishing.
- `--workdir ~/.nanobot/workspace` is critical — without it, skills install to the current directory instead of the nanobot workspace.
- After install, remind the user to start a new session to load the skill.

10
nanobot/skills/cron/SKILL.md
View File

@@ -30,6 +30,11 @@ One-time scheduled task (compute ISO datetime from current time):
cron(action="add", message="Remind me about the meeting", at="<ISO datetime>")
```
Timezone-aware cron:
```
cron(action="add", message="Morning standup", cron_expr="0 9 * * 1-5", tz="America/Vancouver")
```
List/remove:
```
cron(action="list")
@@ -44,4 +49,9 @@ cron(action="remove", job_id="abc123")
| every hour | every_seconds: 3600 |
| every day at 8am | cron_expr: "0 8 * * *" |
| weekdays at 5pm | cron_expr: "0 17 * * 1-5" |
| 9am Vancouver time daily | cron_expr: "0 9 * * *", tz: "America/Vancouver" |
| at a specific time | at: ISO datetime string (compute from current time) |
## Timezone
Use `tz` with `cron_expr` to schedule in a specific IANA timezone. Without `tz`, the server's local timezone is used.

2
nanobot/skills/memory/SKILL.md
View File

@@ -9,7 +9,7 @@ always: true
## Structure
- `memory/MEMORY.md` — Long-term facts (preferences, project context, relationships). Always loaded into your context.
- `memory/HISTORY.md` — Append-only event log. NOT loaded into context. Search it with grep.
- `memory/HISTORY.md` — Append-only event log. NOT loaded into context. Search it with grep. Each entry starts with [YYYY-MM-DD HH:MM].
## Search Past Events

21
nanobot/templates/AGENTS.md Normal file
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@@ -0,0 +1,21 @@
# Agent Instructions
You are a helpful AI assistant. Be concise, accurate, and friendly.
## Scheduled Reminders
Before scheduling reminders, check available skills and follow skill guidance first.
Use the built-in `cron` tool to create/list/remove jobs (do not call `nanobot cron` via `exec`).
Get USER_ID and CHANNEL from the current session (e.g., `8281248569` and `telegram` from `telegram:8281248569`).
**Do NOT just write reminders to MEMORY.md** — that won't trigger actual notifications.
## Heartbeat Tasks
`HEARTBEAT.md` is checked on the configured heartbeat interval. Use file tools to manage periodic tasks:
- **Add**: `edit_file` to append new tasks
- **Remove**: `edit_file` to delete completed tasks
- **Rewrite**: `write_file` to replace all tasks
When the user asks for a recurring/periodic task, update `HEARTBEAT.md` instead of creating a one-time cron reminder.

16
nanobot/templates/HEARTBEAT.md Normal file
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@@ -0,0 +1,16 @@
# Heartbeat Tasks
This file is checked every 30 minutes by your nanobot agent.
Add tasks below that you want the agent to work on periodically.
If this file has no tasks (only headers and comments), the agent will skip the heartbeat.
## Active Tasks
<!-- Add your periodic tasks below this line -->
## Completed
<!-- Move completed tasks here or delete them -->

21
nanobot/templates/SOUL.md Normal file
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@@ -0,0 +1,21 @@
# Soul
I am nanobot 🐈, a personal AI assistant.
## Personality
- Helpful and friendly
- Concise and to the point
- Curious and eager to learn
## Values
- Accuracy over speed
- User privacy and safety
- Transparency in actions
## Communication Style
- Be clear and direct
- Explain reasoning when helpful
- Ask clarifying questions when needed

15
nanobot/templates/TOOLS.md Normal file
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@@ -0,0 +1,15 @@
# Tool Usage Notes
Tool signatures are provided automatically via function calling.
This file documents non-obvious constraints and usage patterns.
## exec — Safety Limits
- Commands have a configurable timeout (default 60s)
- Dangerous commands are blocked (rm -rf, format, dd, shutdown, etc.)
- Output is truncated at 10,000 characters
- `restrictToWorkspace` config can limit file access to the workspace
## cron — Scheduled Reminders
- Please refer to cron skill for usage.

49
nanobot/templates/USER.md Normal file
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@@ -0,0 +1,49 @@
# User Profile
Information about the user to help personalize interactions.
## Basic Information
- **Name**: (your name)
- **Timezone**: (your timezone, e.g., UTC+8)
- **Language**: (preferred language)
## Preferences
### Communication Style
- [ ] Casual
- [ ] Professional
- [ ] Technical
### Response Length
- [ ] Brief and concise
- [ ] Detailed explanations
- [ ] Adaptive based on question
### Technical Level
- [ ] Beginner
- [ ] Intermediate
- [ ] Expert
## Work Context
- **Primary Role**: (your role, e.g., developer, researcher)
- **Main Projects**: (what you're working on)
- **Tools You Use**: (IDEs, languages, frameworks)
## Topics of Interest
-
-
-
## Special Instructions
(Any specific instructions for how the assistant should behave)
---
*Edit this file to customize nanobot's behavior for your needs.*

0
nanobot/templates/__init__.py Normal file
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23
nanobot/templates/memory/MEMORY.md Normal file
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@@ -0,0 +1,23 @@
# Long-term Memory
This file stores important information that should persist across sessions.
## User Information
(Important facts about the user)
## Preferences
(User preferences learned over time)
## Project Context
(Information about ongoing projects)
## Important Notes
(Things to remember)
---
*This file is automatically updated by nanobot when important information should be remembered.*

0
nanobot/templates/memory/__init__.py Normal file
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2
nanobot/utils/__init__.py
View File

@@ -1,5 +1,5 @@
"""Utility functions for nanobot."""
from nanobot.utils.helpers import ensure_dir, get_workspace_path, get_data_path
from nanobot.utils.helpers import ensure_dir, get_data_path, get_workspace_path
__all__ = ["ensure_dir", "get_workspace_path", "get_data_path"]

132
nanobot/utils/helpers.py
View File

@@ -1,80 +1,112 @@
"""Utility functions for nanobot."""
from pathlib import Path
import re
from datetime import datetime
from pathlib import Path
def detect_image_mime(data: bytes) -> str | None:
"""Detect image MIME type from magic bytes, ignoring file extension."""
if data[:8] == b"\x89PNG\r\n\x1a\n":
return "image/png"
if data[:3] == b"\xff\xd8\xff":
return "image/jpeg"
if data[:6] in (b"GIF87a", b"GIF89a"):
return "image/gif"
if data[:4] == b"RIFF" and data[8:12] == b"WEBP":
return "image/webp"
return None
def ensure_dir(path: Path) -> Path:
"""Ensure a directory exists, creating it if necessary."""
"""Ensure directory exists, return it."""
path.mkdir(parents=True, exist_ok=True)
return path
def get_data_path() -> Path:
"""Get the nanobot data directory (~/.nanobot)."""
"""~/.nanobot data directory."""
return ensure_dir(Path.home() / ".nanobot")
def get_workspace_path(workspace: str | None = None) -> Path:
"""
Get the workspace path.
Args:
workspace: Optional workspace path. Defaults to ~/.nanobot/workspace.
Returns:
Expanded and ensured workspace path.
"""
if workspace:
path = Path(workspace).expanduser()
else:
path = Path.home() / ".nanobot" / "workspace"
"""Resolve and ensure workspace path. Defaults to ~/.nanobot/workspace."""
path = Path(workspace).expanduser() if workspace else Path.home() / ".nanobot" / "workspace"
return ensure_dir(path)
def get_sessions_path() -> Path:
"""Get the sessions storage directory."""
return ensure_dir(get_data_path() / "sessions")
def get_skills_path(workspace: Path | None = None) -> Path:
"""Get the skills directory within the workspace."""
ws = workspace or get_workspace_path()
return ensure_dir(ws / "skills")
def timestamp() -> str:
"""Get current timestamp in ISO format."""
"""Current ISO timestamp."""
return datetime.now().isoformat()
def truncate_string(s: str, max_len: int = 100, suffix: str = "...") -> str:
"""Truncate a string to max length, adding suffix if truncated."""
if len(s) <= max_len:
return s
return s[: max_len - len(suffix)] + suffix
_UNSAFE_CHARS = re.compile(r'[<>:"/\\|?*]')
def safe_filename(name: str) -> str:
"""Convert a string to a safe filename."""
# Replace unsafe characters
unsafe = '<>:"/\\|?*'
for char in unsafe:
name = name.replace(char, "_")
return name.strip()
"""Replace unsafe path characters with underscores."""
return _UNSAFE_CHARS.sub("_", name).strip()
def parse_session_key(key: str) -> tuple[str, str]:
def split_message(content: str, max_len: int = 2000) -> list[str]:
"""
Parse a session key into channel and chat_id.
Split content into chunks within max_len, preferring line breaks.
Args:
key: Session key in format "channel:chat_id"
content: The text content to split.
max_len: Maximum length per chunk (default 2000 for Discord compatibility).
Returns:
Tuple of (channel, chat_id)
List of message chunks, each within max_len.
"""
parts = key.split(":", 1)
if len(parts) != 2:
raise ValueError(f"Invalid session key: {key}")
return parts[0], parts[1]
if not content:
return []
if len(content) <= max_len:
return [content]
chunks: list[str] = []
while content:
if len(content) <= max_len:
chunks.append(content)
break
cut = content[:max_len]
# Try to break at newline first, then space, then hard break
pos = cut.rfind('\n')
if pos <= 0:
pos = cut.rfind(' ')
if pos <= 0:
pos = max_len
chunks.append(content[:pos])
content = content[pos:].lstrip()
return chunks
def sync_workspace_templates(workspace: Path, silent: bool = False) -> list[str]:
"""Sync bundled templates to workspace. Only creates missing files."""
from importlib.resources import files as pkg_files
try:
tpl = pkg_files("nanobot") / "templates"
except Exception:
return []
if not tpl.is_dir():
return []
added: list[str] = []
def _write(src, dest: Path):
if dest.exists():
return
dest.parent.mkdir(parents=True, exist_ok=True)
dest.write_text(src.read_text(encoding="utf-8") if src else "", encoding="utf-8")
added.append(str(dest.relative_to(workspace)))
for item in tpl.iterdir():
if item.name.endswith(".md"):
_write(item, workspace / item.name)
_write(tpl / "memory" / "MEMORY.md", workspace / "memory" / "MEMORY.md")
_write(None, workspace / "memory" / "HISTORY.md")
(workspace / "skills").mkdir(exist_ok=True)
if added and not silent:
from rich.console import Console
for name in added:
Console().print(f" [dim]Created {name}[/dim]")
return added