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123
README.md
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@@ -16,10 +16,17 @@
⚡️ Delivers core agent functionality in just **~4,000** lines of code — **99% smaller** than Clawdbot's 430k+ lines.
📏 Real-time line count: **3,761 lines** (run `bash core_agent_lines.sh` to verify anytime)
📏 Real-time line count: **3,966 lines** (run `bash core_agent_lines.sh` to verify anytime)
## 📢 News
- **2026-02-24** 🚀 Released **v0.1.4.post2** — a reliability-focused release with a redesigned heartbeat, prompt cache optimization, and hardened provider & channel stability. See [release notes](https://github.com/HKUDS/nanobot/releases/tag/v0.1.4.post2) for details.
- **2026-02-23** 🔧 Virtual tool-call heartbeat, prompt cache optimization, Slack mrkdwn fixes.
- **2026-02-22** 🛡️ Slack thread isolation, Discord typing fix, agent reliability improvements.
- **2026-02-21** 🎉 Released **v0.1.4.post1** — new providers, media support across channels, and major stability improvements. See [release notes](https://github.com/HKUDS/nanobot/releases/tag/v0.1.4.post1) for details.
- **2026-02-20** 🐦 Feishu now receives multimodal files from users. More reliable memory under the hood.
- **2026-02-19** ✨ Slack now sends files, Discord splits long messages, and subagents work in CLI mode.
- **2026-02-18** ⚡️ nanobot now supports VolcEngine, MCP custom auth headers, and Anthropic prompt caching.
- **2026-02-17** 🎉 Released **v0.1.4** — MCP support, progress streaming, new providers, and multiple channel improvements. Please see [release notes](https://github.com/HKUDS/nanobot/releases/tag/v0.1.4) for details.
- **2026-02-16** 🦞 nanobot now integrates a [ClawHub](https://clawhub.ai) skill — search and install public agent skills.
- **2026-02-15** 🔑 nanobot now supports OpenAI Codex provider with OAuth login support.
@@ -27,13 +34,13 @@
- **2026-02-13** 🎉 Released **v0.1.3.post7** — includes security hardening and multiple improvements. **Please upgrade to the latest version to address security issues**. See [release notes](https://github.com/HKUDS/nanobot/releases/tag/v0.1.3.post7) for more details.
- **2026-02-12** 🧠 Redesigned memory system — Less code, more reliable. Join the [discussion](https://github.com/HKUDS/nanobot/discussions/566) about it!
- **2026-02-11** ✨ Enhanced CLI experience and added MiniMax support!
- **2026-02-10** 🎉 Released **v0.1.3.post6** with improvements! Check the updates [notes](https://github.com/HKUDS/nanobot/releases/tag/v0.1.3.post6) and our [roadmap](https://github.com/HKUDS/nanobot/discussions/431).
- **2026-02-09** 💬 Added Slack, Email, and QQ support — nanobot now supports multiple chat platforms!
- **2026-02-08** 🔧 Refactored Providers—adding a new LLM provider now takes just 2 simple steps! Check [here](#providers).
<details>
<summary>Earlier news</summary>
- **2026-02-10** 🎉 Released **v0.1.3.post6** with improvements! Check the updates [notes](https://github.com/HKUDS/nanobot/releases/tag/v0.1.3.post6) and our [roadmap](https://github.com/HKUDS/nanobot/discussions/431).
- **2026-02-09** 💬 Added Slack, Email, and QQ support — nanobot now supports multiple chat platforms!
- **2026-02-08** 🔧 Refactored Providers—adding a new LLM provider now takes just 2 simple steps! Check [here](#providers).
- **2026-02-07** 🚀 Released **v0.1.3.post5** with Qwen support & several key improvements! Check [here](https://github.com/HKUDS/nanobot/releases/tag/v0.1.3.post5) for details.
- **2026-02-06** ✨ Added Moonshot/Kimi provider, Discord integration, and enhanced security hardening!
- **2026-02-05** ✨ Added Feishu channel, DeepSeek provider, and enhanced scheduled tasks support!
@@ -131,12 +138,13 @@ Add or merge these **two parts** into your config (other options have defaults).
}
```
*Set your model*:
*Set your model* (optionally pin a provider — defaults to auto-detection):
```json
{
"agents": {
"defaults": {
"model": "anthropic/claude-opus-4-5"
"model": "anthropic/claude-opus-4-5",
"provider": "openrouter"
}
}
}
@@ -645,6 +653,7 @@ Config file: `~/.nanobot/config.json`
> - **Groq** provides free voice transcription via Whisper. If configured, Telegram voice messages will be automatically transcribed.
> - **Zhipu Coding Plan**: If you're on Zhipu's coding plan, set `"apiBase": "https://open.bigmodel.cn/api/coding/paas/v4"` in your zhipu provider config.
> - **MiniMax (Mainland China)**: If your API key is from MiniMax's mainland China platform (minimaxi.com), set `"apiBase": "https://api.minimaxi.com/v1"` in your minimax provider config.
> - **VolcEngine Coding Plan**: If you're on VolcEngine's coding plan, set `"apiBase": "https://ark.cn-beijing.volces.com/api/coding/v3"` in your volcengine provider config.
| Provider | Purpose | Get API Key |
|----------|---------|-------------|
@@ -655,9 +664,10 @@ Config file: `~/.nanobot/config.json`
| `deepseek` | LLM (DeepSeek direct) | [platform.deepseek.com](https://platform.deepseek.com) |
| `groq` | LLM + **Voice transcription** (Whisper) | [console.groq.com](https://console.groq.com) |
| `gemini` | LLM (Gemini direct) | [aistudio.google.com](https://aistudio.google.com) |
| `minimax` | LLM (MiniMax direct) | [platform.minimax.io](https://platform.minimax.io) |
| `minimax` | LLM (MiniMax direct) | [platform.minimaxi.com](https://platform.minimaxi.com) |
| `aihubmix` | LLM (API gateway, access to all models) | [aihubmix.com](https://aihubmix.com) |
| `siliconflow` | LLM (SiliconFlow/硅基流动, API gateway) | [siliconflow.cn](https://siliconflow.cn) |
| `siliconflow` | LLM (SiliconFlow/硅基流动) | [siliconflow.cn](https://siliconflow.cn) |
| `volcengine` | LLM (VolcEngine/火山引擎) | [volcengine.com](https://www.volcengine.com) |
| `dashscope` | LLM (Qwen) | [dashscope.console.aliyun.com](https://dashscope.console.aliyun.com) |
| `moonshot` | LLM (Moonshot/Kimi) | [platform.moonshot.cn](https://platform.moonshot.cn) |
| `zhipu` | LLM (Zhipu GLM) | [open.bigmodel.cn](https://open.bigmodel.cn) |
@@ -818,6 +828,12 @@ Add MCP servers to your `config.json`:
"filesystem": {
"command": "npx",
"args": ["-y", "@modelcontextprotocol/server-filesystem", "/path/to/dir"]
},
"my-remote-mcp": {
"url": "https://example.com/mcp/",
"headers": {
"Authorization": "Bearer xxxxx"
}
}
}
}
@@ -829,7 +845,22 @@ Two transport modes are supported:
| Mode | Config | Example |
|------|--------|---------|
| **Stdio** | `command` + `args` | Local process via `npx` / `uvx` |
| **HTTP** | `url` | Remote endpoint (`https://mcp.example.com/sse`) |
| **HTTP** | `url` + `headers` (optional) | Remote endpoint (`https://mcp.example.com/sse`) |
Use `toolTimeout` to override the default 30s per-call timeout for slow servers:
```json
{
"tools": {
"mcpServers": {
"my-slow-server": {
"url": "https://example.com/mcp/",
"toolTimeout": 120
}
}
}
}
```
MCP tools are automatically discovered and registered on startup. The LLM can use them alongside built-in tools — no extra configuration needed.
@@ -844,6 +875,7 @@ MCP tools are automatically discovered and registered on startup. The LLM can us
| Option | Default | Description |
|--------|---------|-------------|
| `tools.restrictToWorkspace` | `false` | When `true`, restricts **all** agent tools (shell, file read/write/edit, list) to the workspace directory. Prevents path traversal and out-of-scope access. |
| `tools.exec.pathAppend` | `""` | Extra directories to append to `PATH` when running shell commands (e.g. `/usr/sbin` for `ufw`). |
| `channels.*.allowFrom` | `[]` (allow all) | Whitelist of user IDs. Empty = allow everyone; non-empty = only listed users can interact. |
@@ -881,6 +913,26 @@ nanobot cron remove <job_id>
</details>
<details>
<summary><b>Heartbeat (Periodic Tasks)</b></summary>
The gateway wakes up every 30 minutes and checks `HEARTBEAT.md` in your workspace (`~/.nanobot/workspace/HEARTBEAT.md`). If the file has tasks, the agent executes them and delivers results to your most recently active chat channel.
**Setup:** edit `~/.nanobot/workspace/HEARTBEAT.md` (created automatically by `nanobot onboard`):
```markdown
## Periodic Tasks
- [ ] Check weather forecast and send a summary
- [ ] Scan inbox for urgent emails
```
The agent can also manage this file itself — ask it to "add a periodic task" and it will update `HEARTBEAT.md` for you.
> **Note:** The gateway must be running (`nanobot gateway`) and you must have chatted with the bot at least once so it knows which channel to deliver to.
</details>
## 🐳 Docker
> [!TIP]
@@ -920,6 +972,59 @@ docker run -v ~/.nanobot:/root/.nanobot --rm nanobot agent -m "Hello!"
docker run -v ~/.nanobot:/root/.nanobot --rm nanobot status
```
## 🐧 Linux Service
Run the gateway as a systemd user service so it starts automatically and restarts on failure.
**1. Find the nanobot binary path:**
```bash
which nanobot # e.g. /home/user/.local/bin/nanobot
```
**2. Create the service file** at `~/.config/systemd/user/nanobot-gateway.service` (replace `ExecStart` path if needed):
```ini
[Unit]
Description=Nanobot Gateway
After=network.target
[Service]
Type=simple
ExecStart=%h/.local/bin/nanobot gateway
Restart=always
RestartSec=10
NoNewPrivileges=yes
ProtectSystem=strict
ReadWritePaths=%h
[Install]
WantedBy=default.target
```
**3. Enable and start:**
```bash
systemctl --user daemon-reload
systemctl --user enable --now nanobot-gateway
```
**Common operations:**
```bash
systemctl --user status nanobot-gateway # check status
systemctl --user restart nanobot-gateway # restart after config changes
journalctl --user -u nanobot-gateway -f # follow logs
```
If you edit the `.service` file itself, run `systemctl --user daemon-reload` before restarting.
> **Note:** User services only run while you are logged in. To keep the gateway running after logout, enable lingering:
>
> ```bash
> loginctl enable-linger $USER
> ```
## 📁 Project Structure
```

2
nanobot/__init__.py
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@@ -2,5 +2,5 @@
nanobot - A lightweight AI agent framework
"""
__version__ = "0.1.4"
__version__ = "0.1.4.post2"
__logo__ = "🐈"

171
nanobot/agent/context.py
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@@ -3,6 +3,8 @@
import base64
import mimetypes
import platform
import time
from datetime import datetime
from pathlib import Path
from typing import Any
@@ -11,14 +13,10 @@ from nanobot.agent.skills import SkillsLoader
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
@@ -26,39 +24,23 @@ class ContextBuilder:
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
@@ -67,47 +49,46 @@ 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
- Long-term memory: {workspace_path}/memory/MEMORY.md (write important facts here)
- History log: {workspace_path}/memory/HISTORY.md (grep-searchable)
- 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.
Always be helpful, accurate, and concise. Before calling tools, briefly tell the user what you're about to do (one short sentence in the user's language).
When remembering something important, write to {workspace_path}/memory/MEMORY.md
To recall past events, grep {workspace_path}/memory/HISTORY.md"""
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)
def _load_bootstrap_files(self) -> str:
"""Load all bootstrap files from workspace."""
@@ -130,36 +111,13 @@ 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)
user_content = self._build_user_content(current_message, media)
messages.append({"role": "user", "content": user_content})
return messages
"""Build the complete message list for an LLM call."""
return [
{"role": "system", "content": self.build_system_prompt(skill_names)},
*history,
{"role": "user", "content": self._build_runtime_context(channel, chat_id)},
{"role": "user", "content": self._build_user_content(current_message, media)},
]
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."""
@@ -180,63 +138,24 @@ To recall past events, grep {workspace_path}/memory/HISTORY.md"""
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,
) -> 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"}
# Omit empty content — some backends reject empty text blocks
if content:
msg["content"] = content
"""Add an assistant message to the message list."""
msg: dict[str, Any] = {"role": "assistant", "content": content}
if tool_calls:
msg["tool_calls"] = tool_calls
# Include reasoning content when provided (required by some thinking models)
if reasoning_content:
if reasoning_content is not None:
msg["reasoning_content"] = reasoning_content
messages.append(msg)
return messages

548
nanobot/agent/loop.py
View File

@@ -1,30 +1,35 @@
"""Agent loop: the core processing engine."""
from __future__ import annotations
import asyncio
from contextlib import AsyncExitStack
import json
import json_repair
from pathlib import Path
import re
from typing import Any, Awaitable, Callable
from contextlib import AsyncExitStack
from pathlib import Path
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:
"""
@@ -44,20 +49,21 @@ class AgentLoop:
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,
brave_api_key: str | None = None,
exec_config: "ExecToolConfig | None" = None,
cron_service: "CronService | 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()
@@ -84,60 +90,64 @@ class AgentLoop:
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: dict[str, asyncio.Lock] = {}
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(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)
message_tool.set_context(channel, chat_id, message_id)
if spawn_tool := self.tools.get("spawn"):
if isinstance(spawn_tool, SpawnTool):
@@ -167,18 +177,9 @@ class AgentLoop:
async def _run_agent_loop(
self,
initial_messages: list[dict],
on_progress: Callable[[str], Awaitable[None]] | None = None,
) -> tuple[str | None, list[str]]:
"""
Run the agent iteration loop.
Args:
initial_messages: Starting messages for the LLM conversation.
on_progress: Optional callback to push intermediate content to the user.
Returns:
Tuple of (final_content, list_of_tools_used).
"""
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
@@ -198,7 +199,9 @@ class AgentLoop:
if response.has_tool_calls:
if on_progress:
clean = self._strip_think(response.content)
await on_progress(clean or self._tool_hint(response.tool_calls))
if clean:
await on_progress(clean)
await on_progress(self._tool_hint(response.tool_calls), tool_hint=True)
tool_call_dicts = [
{
@@ -206,7 +209,7 @@ class AgentLoop:
"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
@@ -219,43 +222,87 @@ class AgentLoop:
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
)
else:
final_content = self._strip_think(response.content)
clean = self._strip_think(response.content)
if on_progress and clean:
await on_progress(clean)
messages = self.context.add_assistant_message(
messages, clean, reasoning_content=response.reasoning_content,
)
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:
@@ -269,222 +316,177 @@ class AgentLoop:
"""Stop the agent loop."""
self._running = False
logger.info("Agent loop stopping")
def _get_consolidation_lock(self, session_key: str) -> asyncio.Lock:
lock = self._consolidation_locks.get(session_key)
if lock is None:
lock = asyncio.Lock()
self._consolidation_locks[session_key] = lock
return lock
def _prune_consolidation_lock(self, session_key: str, lock: asyncio.Lock) -> None:
"""Drop lock entry if no longer in use."""
if not lock.locked():
self._consolidation_locks.pop(session_key, None)
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.
Args:
msg: The inbound message to process.
session_key: Override session key (used by process_direct).
on_progress: Optional callback for intermediate output (defaults to bus publish).
Returns:
The response message, or None if no response needed.
"""
# System messages route back via chat_id ("channel:chat_id")
"""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._get_consolidation_lock(session.key)
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)
self._prune_consolidation_lock(session.key, lock)
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._get_consolidation_lock(session.key)
async def _consolidate_and_unlock():
try:
async with lock:
await self._consolidate_memory(session)
finally:
self._consolidating.discard(session.key)
self._prune_consolidation_lock(session.key, lock)
_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) -> None:
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=msg.metadata or {},
channel=msg.channel, chat_id=msg.chat_id, content=content, metadata=meta,
))
final_content, tools_used = await self._run_agent_loop(
final_content, _, all_msgs = await self._run_agent_loop(
initial_messages, on_progress=on_progress or _bus_progress,
)
if final_content is None:
final_content = "I've completed processing but have no response to give."
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)
logger.info("Response to {}:{}: {}", msg.channel, msg.sender_id, preview)
self._save_turn(session, all_msgs, 1 + len(history))
self.sessions.save(session)
if message_tool := self.tools.get("message"):
if isinstance(message_tool, MessageTool) and message_tool._sent_in_turn:
return None
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,
_TOOL_RESULT_MAX_CHARS = 500
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 = {k: v for k, v in m.items() if k != "reasoning_content"}
if entry.get("role") == "tool" and isinstance(entry.get("content"), str):
content = entry["content"]
if len(content) > self._TOOL_RESULT_MAX_CHARS:
entry["content"] = content[:self._TOOL_RESULT_MAX_CHARS] + "\n... (truncated)"
if entry.get("role") == "user" and isinstance(entry.get("content"), list):
entry["content"] = [
{"type": "text", "text": "[image]"} if (
c.get("type") == "image_url"
and c.get("image_url", {}).get("url", "").startswith("data:image/")
) else c
for c in entry["content"]
]
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,
@@ -494,26 +496,8 @@ Respond with ONLY valid JSON, no markdown fences."""
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).
on_progress: Optional callback for intermediate output.
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
)
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 ""

120
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 +65,86 @@ 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)
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

81
nanobot/agent/subagent.py
View File

@@ -18,13 +18,7 @@ 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,
@@ -49,6 +43,7 @@ class SubagentManager:
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,
@@ -56,37 +51,30 @@ class SubagentManager:
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
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)
# 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}")
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(
@@ -97,20 +85,21 @@ 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())
@@ -146,7 +135,7 @@ 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
@@ -159,8 +148,8 @@ class SubagentManager:
# 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",
@@ -175,12 +164,12 @@ class SubagentManager:
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(
@@ -213,7 +202,7 @@ Summarize this naturally for the user. Keep it brief (1-2 sentences). Do not men
)
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:
"""Build a focused system prompt for the subagent."""
@@ -252,6 +241,16 @@ Skills are available at: {self.workspace}/skills/ (read SKILL.md files as needed
When you have completed the task, provide a clear summary of your findings or actions."""
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)

91
nanobot/agent/tools/filesystem.py
View File

@@ -1,23 +1,31 @@
"""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):
def __init__(self, workspace: Path | None = None, allowed_dir: Path | None = None):
self._workspace = workspace
self._allowed_dir = allowed_dir
@property
@@ -43,12 +51,12 @@ class ReadFileTool(Tool):
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}"
content = file_path.read_text(encoding="utf-8")
return content
except PermissionError as e:
@@ -59,8 +67,9 @@ 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
@@ -90,10 +99,10 @@ class WriteFileTool(Tool):
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:
@@ -102,8 +111,9 @@ 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
@@ -137,34 +147,57 @@ class EditFileTool(Tool):
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
@@ -190,20 +223,20 @@ class ListDirTool(Tool):
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}"

35
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):
@@ -59,11 +69,20 @@ async def connect_mcp_servers(
read, write = await stack.enter_async_context(stdio_client(params))
elif cfg.url:
from mcp.client.streamable_http import streamable_http_client
# 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 '{}': no command or url configured, skipping", name)
continue
session = await stack.enter_async_context(ClientSession(read, write))
@@ -71,10 +90,10 @@ 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)

52
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 {
@@ -61,33 +69,39 @@ class MessageTool(Tool):
},
"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,
media=media or []
media=media or [],
metadata={
"message_id": message_id,
}
)
try:
await self._send_callback(msg)
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:

27
nanobot/agent/tools/registry.py
View File

@@ -36,30 +36,23 @@ class ToolRegistry:
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:
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]:

7
nanobot/agent/tools/shell.py
View File

@@ -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
@@ -35,6 +36,7 @@ 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:
@@ -67,12 +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:

10
nanobot/agent/tools/spawn.py
View File

@@ -9,22 +9,19 @@ 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:
@@ -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,
)

25
nanobot/agent/tools/web.py
View File

@@ -58,12 +58,21 @@ class WebSearchTool(Tool):
}
def __init__(self, api_key: str | None = None, max_results: int = 5):
self.api_key = api_key or os.environ.get("BRAVE_API_KEY", "")
self._init_api_key = api_key
self.max_results = max_results
@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)
@@ -71,7 +80,7 @@ class WebSearchTool(Tool):
r = await client.get(
"https://api.search.brave.com/res/v1/web/search",
params={"q": query, "count": n},
headers={"Accept": "application/json", "X-Subscription-Token": self.api_key},
headers={"Accept": "application/json", "X-Subscription-Token": api_key},
timeout=10.0
)
r.raise_for_status()
@@ -116,7 +125,7 @@ class WebFetchTool(Tool):
# 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:
async with httpx.AsyncClient(
@@ -131,7 +140,7 @@ class WebFetchTool(Tool):
# JSON
if "application/json" in ctype:
text, extractor = json.dumps(r.json(), indent=2), "json"
text, extractor = json.dumps(r.json(), indent=2, ensure_ascii=False), "json"
# HTML
elif "text/html" in ctype or r.text[:256].lower().startswith(("<!doctype", "<html")):
doc = Document(r.text)
@@ -146,9 +155,9 @@ class WebFetchTool(Tool):
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 Exception as e:
return json.dumps({"error": str(e), "url": url})
return json.dumps({"error": str(e), "url": url}, ensure_ascii=False)
def _to_markdown(self, html: str) -> str:
"""Convert HTML to markdown."""

3
nanobot/bus/events.py
View File

@@ -16,11 +16,12 @@ 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

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."""

12
nanobot/channels/base.py
View File

@@ -89,7 +89,8 @@ class BaseChannel(ABC):
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.
@@ -102,11 +103,13 @@ class BaseChannel(ABC):
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
@@ -116,7 +119,8 @@ class BaseChannel(ABC):
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)

28
nanobot/channels/dingtalk.py
View File

@@ -58,14 +58,15 @@ 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}")
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.
@@ -78,7 +79,7 @@ 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"
@@ -126,7 +127,8 @@ 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 +144,13 @@ 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."""
@@ -186,7 +188,7 @@ 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
async def send(self, msg: OutboundMessage) -> None:
@@ -208,7 +210,7 @@ class DingTalkChannel(BaseChannel):
"msgParam": json.dumps({
"text": msg.content,
"title": "Nanobot Reply",
}),
}, ensure_ascii=False),
}
if not self._http:
@@ -218,11 +220,11 @@ class DingTalkChannel(BaseChannel):
try:
resp = await self._http.post(url, json=data, headers=headers)
if resp.status_code != 200:
logger.error(f"DingTalk send failed: {resp.text}")
logger.error("DingTalk send failed: {}", resp.text)
else:
logger.debug(f"DingTalk message sent to {msg.chat_id}")
logger.debug("DingTalk message sent to {}", msg.chat_id)
except Exception as e:
logger.error(f"Error sending DingTalk message: {e}")
logger.error("Error sending DingTalk message: {}", e)
async def _on_message(self, content: str, sender_id: str, sender_name: str) -> None:
"""Handle incoming message (called by NanobotDingTalkHandler).
@@ -231,7 +233,7 @@ class DingTalkChannel(BaseChannel):
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)
await self._handle_message(
sender_id=sender_id,
chat_id=sender_id, # For private chat, chat_id == sender_id
@@ -242,4 +244,4 @@ class DingTalkChannel(BaseChannel):
},
)
except Exception as e:
logger.error(f"Error publishing DingTalk message: {e}")
logger.error("Error publishing DingTalk message: {}", e)

96
nanobot/channels/discord.py
View File

@@ -17,6 +17,29 @@ from nanobot.config.schema import DiscordConfig
DISCORD_API_BASE = "https://discord.com/api/v10"
MAX_ATTACHMENT_BYTES = 20 * 1024 * 1024 # 20MB
MAX_MESSAGE_LEN = 2000 # Discord message character limit
def _split_message(content: str, max_len: int = MAX_MESSAGE_LEN) -> list[str]:
"""Split content into chunks within max_len, preferring line breaks."""
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]
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
class DiscordChannel(BaseChannel):
@@ -51,7 +74,7 @@ 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)
@@ -79,34 +102,48 @@ class DiscordChannel(BaseChannel):
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)
chunks = _split_message(msg.content or "")
if not chunks:
return
for i, chunk in enumerate(chunks):
payload: dict[str, Any] = {"content": chunk}
# Only set reply reference on the first chunk
if i == 0 and msg.reply_to:
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 _gateway_loop(self) -> None:
"""Main gateway loop: identify, heartbeat, dispatch events."""
if not self._ws:
@@ -116,7 +153,7 @@ 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")
@@ -175,7 +212,7 @@ 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)
@@ -219,7 +256,7 @@ 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")
@@ -248,8 +285,11 @@ 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")

393
nanobot/channels/feishu.py
View File

@@ -6,6 +6,7 @@ import os
import re
import threading
from collections import OrderedDict
from pathlib import Path
from typing import Any
from loguru import logger
@@ -27,6 +28,8 @@ try:
CreateMessageReactionRequest,
CreateMessageReactionRequestBody,
Emoji,
GetFileRequest,
GetMessageResourceRequest,
P2ImMessageReceiveV1,
)
FEISHU_AVAILABLE = True
@@ -44,21 +47,158 @@ MSG_TYPE_MAP = {
}
def _extract_post_text(content_json: dict) -> str:
"""Extract plain text from Feishu post (rich text) message content.
def _extract_share_card_content(content_json: dict, msg_type: str) -> str:
"""Extract text representation from share cards and interactive messages."""
parts = []
if msg_type == "share_chat":
parts.append(f"[shared chat: {content_json.get('chat_id', '')}]")
elif msg_type == "share_user":
parts.append(f"[shared user: {content_json.get('user_id', '')}]")
elif msg_type == "interactive":
parts.extend(_extract_interactive_content(content_json))
elif msg_type == "share_calendar_event":
parts.append(f"[shared calendar event: {content_json.get('event_key', '')}]")
elif msg_type == "system":
parts.append("[system message]")
elif msg_type == "merge_forward":
parts.append("[merged forward messages]")
return "\n".join(parts) if parts else f"[{msg_type}]"
def _extract_interactive_content(content: dict) -> list[str]:
"""Recursively extract text and links from interactive card content."""
parts = []
if isinstance(content, str):
try:
content = json.loads(content)
except (json.JSONDecodeError, TypeError):
return [content] if content.strip() else []
if not isinstance(content, dict):
return parts
if "title" in content:
title = content["title"]
if isinstance(title, dict):
title_content = title.get("content", "") or title.get("text", "")
if title_content:
parts.append(f"title: {title_content}")
elif isinstance(title, str):
parts.append(f"title: {title}")
for element in content.get("elements", []) if isinstance(content.get("elements"), list) else []:
parts.extend(_extract_element_content(element))
card = content.get("card", {})
if card:
parts.extend(_extract_interactive_content(card))
header = content.get("header", {})
if header:
header_title = header.get("title", {})
if isinstance(header_title, dict):
header_text = header_title.get("content", "") or header_title.get("text", "")
if header_text:
parts.append(f"title: {header_text}")
return parts
def _extract_element_content(element: dict) -> list[str]:
"""Extract content from a single card element."""
parts = []
if not isinstance(element, dict):
return parts
tag = element.get("tag", "")
if tag in ("markdown", "lark_md"):
content = element.get("content", "")
if content:
parts.append(content)
elif tag == "div":
text = element.get("text", {})
if isinstance(text, dict):
text_content = text.get("content", "") or text.get("text", "")
if text_content:
parts.append(text_content)
elif isinstance(text, str):
parts.append(text)
for field in element.get("fields", []):
if isinstance(field, dict):
field_text = field.get("text", {})
if isinstance(field_text, dict):
c = field_text.get("content", "")
if c:
parts.append(c)
elif tag == "a":
href = element.get("href", "")
text = element.get("text", "")
if href:
parts.append(f"link: {href}")
if text:
parts.append(text)
elif tag == "button":
text = element.get("text", {})
if isinstance(text, dict):
c = text.get("content", "")
if c:
parts.append(c)
url = element.get("url", "") or element.get("multi_url", {}).get("url", "")
if url:
parts.append(f"link: {url}")
elif tag == "img":
alt = element.get("alt", {})
parts.append(alt.get("content", "[image]") if isinstance(alt, dict) else "[image]")
elif tag == "note":
for ne in element.get("elements", []):
parts.extend(_extract_element_content(ne))
elif tag == "column_set":
for col in element.get("columns", []):
for ce in col.get("elements", []):
parts.extend(_extract_element_content(ce))
elif tag == "plain_text":
content = element.get("content", "")
if content:
parts.append(content)
else:
for ne in element.get("elements", []):
parts.extend(_extract_element_content(ne))
return parts
def _extract_post_content(content_json: dict) -> tuple[str, list[str]]:
"""Extract text and image keys from Feishu post (rich text) message content.
Supports two formats:
1. Direct format: {"title": "...", "content": [...]}
2. Localized format: {"zh_cn": {"title": "...", "content": [...]}}
Returns:
(text, image_keys) - extracted text and list of image keys
"""
def extract_from_lang(lang_content: dict) -> str | None:
def extract_from_lang(lang_content: dict) -> tuple[str | None, list[str]]:
if not isinstance(lang_content, dict):
return None
return None, []
title = lang_content.get("title", "")
content_blocks = lang_content.get("content", [])
if not isinstance(content_blocks, list):
return None
return None, []
text_parts = []
image_keys = []
if title:
text_parts.append(title)
for block in content_blocks:
@@ -73,22 +213,36 @@ def _extract_post_text(content_json: dict) -> str:
text_parts.append(element.get("text", ""))
elif tag == "at":
text_parts.append(f"@{element.get('user_name', 'user')}")
return " ".join(text_parts).strip() if text_parts else None
elif tag == "img":
img_key = element.get("image_key")
if img_key:
image_keys.append(img_key)
text = " ".join(text_parts).strip() if text_parts else None
return text, image_keys
# Try direct format first
if "content" in content_json:
result = extract_from_lang(content_json)
if result:
return result
text, images = extract_from_lang(content_json)
if text or images:
return text or "", images
# Try localized format
for lang_key in ("zh_cn", "en_us", "ja_jp"):
lang_content = content_json.get(lang_key)
result = extract_from_lang(lang_content)
if result:
return result
text, images = extract_from_lang(lang_content)
if text or images:
return text or "", images
return ""
return "", []
def _extract_post_text(content_json: dict) -> str:
"""Extract plain text from Feishu post (rich text) message content.
Legacy wrapper for _extract_post_content, returns only text.
"""
text, _ = _extract_post_content(content_json)
return text
class FeishuChannel(BaseChannel):
@@ -156,7 +310,7 @@ class FeishuChannel(BaseChannel):
try:
self._ws_client.start()
except Exception as e:
logger.warning(f"Feishu WebSocket error: {e}")
logger.warning("Feishu WebSocket error: {}", e)
if self._running:
import time; time.sleep(5)
@@ -177,7 +331,7 @@ class FeishuChannel(BaseChannel):
try:
self._ws_client.stop()
except Exception as e:
logger.warning(f"Error stopping WebSocket client: {e}")
logger.warning("Error stopping WebSocket client: {}", e)
logger.info("Feishu bot stopped")
def _add_reaction_sync(self, message_id: str, emoji_type: str) -> None:
@@ -194,11 +348,11 @@ class FeishuChannel(BaseChannel):
response = self._client.im.v1.message_reaction.create(request)
if not response.success():
logger.warning(f"Failed to add reaction: code={response.code}, msg={response.msg}")
logger.warning("Failed to add reaction: code={}, msg={}", response.code, response.msg)
else:
logger.debug(f"Added {emoji_type} reaction to message {message_id}")
logger.debug("Added {} reaction to message {}", emoji_type, message_id)
except Exception as e:
logger.warning(f"Error adding reaction: {e}")
logger.warning("Error adding reaction: {}", e)
async def _add_reaction(self, message_id: str, emoji_type: str = "THUMBSUP") -> None:
"""
@@ -309,13 +463,13 @@ class FeishuChannel(BaseChannel):
response = self._client.im.v1.image.create(request)
if response.success():
image_key = response.data.image_key
logger.debug(f"Uploaded image {os.path.basename(file_path)}: {image_key}")
logger.debug("Uploaded image {}: {}", os.path.basename(file_path), image_key)
return image_key
else:
logger.error(f"Failed to upload image: code={response.code}, msg={response.msg}")
logger.error("Failed to upload image: code={}, msg={}", response.code, response.msg)
return None
except Exception as e:
logger.error(f"Error uploading image {file_path}: {e}")
logger.error("Error uploading image {}: {}", file_path, e)
return None
def _upload_file_sync(self, file_path: str) -> str | None:
@@ -336,15 +490,107 @@ class FeishuChannel(BaseChannel):
response = self._client.im.v1.file.create(request)
if response.success():
file_key = response.data.file_key
logger.debug(f"Uploaded file {file_name}: {file_key}")
logger.debug("Uploaded file {}: {}", file_name, file_key)
return file_key
else:
logger.error(f"Failed to upload file: code={response.code}, msg={response.msg}")
logger.error("Failed to upload file: code={}, msg={}", response.code, response.msg)
return None
except Exception as e:
logger.error(f"Error uploading file {file_path}: {e}")
logger.error("Error uploading file {}: {}", file_path, e)
return None
def _download_image_sync(self, message_id: str, image_key: str) -> tuple[bytes | None, str | None]:
"""Download an image from Feishu message by message_id and image_key."""
try:
request = GetMessageResourceRequest.builder() \
.message_id(message_id) \
.file_key(image_key) \
.type("image") \
.build()
response = self._client.im.v1.message_resource.get(request)
if response.success():
file_data = response.file
# GetMessageResourceRequest returns BytesIO, need to read bytes
if hasattr(file_data, 'read'):
file_data = file_data.read()
return file_data, response.file_name
else:
logger.error("Failed to download image: code={}, msg={}", response.code, response.msg)
return None, None
except Exception as e:
logger.error("Error downloading image {}: {}", image_key, e)
return None, None
def _download_file_sync(
self, message_id: str, file_key: str, resource_type: str = "file"
) -> tuple[bytes | None, str | None]:
"""Download a file/audio/media from a Feishu message by message_id and file_key."""
try:
request = (
GetMessageResourceRequest.builder()
.message_id(message_id)
.file_key(file_key)
.type(resource_type)
.build()
)
response = self._client.im.v1.message_resource.get(request)
if response.success():
file_data = response.file
if hasattr(file_data, "read"):
file_data = file_data.read()
return file_data, response.file_name
else:
logger.error("Failed to download {}: code={}, msg={}", resource_type, response.code, response.msg)
return None, None
except Exception:
logger.exception("Error downloading {} {}", resource_type, file_key)
return None, None
async def _download_and_save_media(
self,
msg_type: str,
content_json: dict,
message_id: str | None = None
) -> tuple[str | None, str]:
"""
Download media from Feishu and save to local disk.
Returns:
(file_path, content_text) - file_path is None if download failed
"""
loop = asyncio.get_running_loop()
media_dir = Path.home() / ".nanobot" / "media"
media_dir.mkdir(parents=True, exist_ok=True)
data, filename = None, None
if msg_type == "image":
image_key = content_json.get("image_key")
if image_key and message_id:
data, filename = await loop.run_in_executor(
None, self._download_image_sync, message_id, image_key
)
if not filename:
filename = f"{image_key[:16]}.jpg"
elif msg_type in ("audio", "file", "media"):
file_key = content_json.get("file_key")
if file_key and message_id:
data, filename = await loop.run_in_executor(
None, self._download_file_sync, message_id, file_key, msg_type
)
if not filename:
ext = {"audio": ".opus", "media": ".mp4"}.get(msg_type, "")
filename = f"{file_key[:16]}{ext}"
if data and filename:
file_path = media_dir / filename
file_path.write_bytes(data)
logger.debug("Downloaded {} to {}", msg_type, file_path)
return str(file_path), f"[{msg_type}: {filename}]"
return None, f"[{msg_type}: download failed]"
def _send_message_sync(self, receive_id_type: str, receive_id: str, msg_type: str, content: str) -> bool:
"""Send a single message (text/image/file/interactive) synchronously."""
try:
@@ -360,14 +606,14 @@ class FeishuChannel(BaseChannel):
response = self._client.im.v1.message.create(request)
if not response.success():
logger.error(
f"Failed to send Feishu {msg_type} message: code={response.code}, "
f"msg={response.msg}, log_id={response.get_log_id()}"
"Failed to send Feishu {} message: code={}, msg={}, log_id={}",
msg_type, response.code, response.msg, response.get_log_id()
)
return False
logger.debug(f"Feishu {msg_type} message sent to {receive_id}")
logger.debug("Feishu {} message sent to {}", msg_type, receive_id)
return True
except Exception as e:
logger.error(f"Error sending Feishu {msg_type} message: {e}")
logger.error("Error sending Feishu {} message: {}", msg_type, e)
return False
async def send(self, msg: OutboundMessage) -> None:
@@ -382,7 +628,7 @@ class FeishuChannel(BaseChannel):
for file_path in msg.media:
if not os.path.isfile(file_path):
logger.warning(f"Media file not found: {file_path}")
logger.warning("Media file not found: {}", file_path)
continue
ext = os.path.splitext(file_path)[1].lower()
if ext in self._IMAGE_EXTS:
@@ -390,7 +636,7 @@ class FeishuChannel(BaseChannel):
if key:
await loop.run_in_executor(
None, self._send_message_sync,
receive_id_type, msg.chat_id, "image", json.dumps({"image_key": key}),
receive_id_type, msg.chat_id, "image", json.dumps({"image_key": key}, ensure_ascii=False),
)
else:
key = await loop.run_in_executor(None, self._upload_file_sync, file_path)
@@ -398,7 +644,7 @@ class FeishuChannel(BaseChannel):
media_type = "audio" if ext in self._AUDIO_EXTS else "file"
await loop.run_in_executor(
None, self._send_message_sync,
receive_id_type, msg.chat_id, media_type, json.dumps({"file_key": key}),
receive_id_type, msg.chat_id, media_type, json.dumps({"file_key": key}, ensure_ascii=False),
)
if msg.content and msg.content.strip():
@@ -409,7 +655,7 @@ class FeishuChannel(BaseChannel):
)
except Exception as e:
logger.error(f"Error sending Feishu message: {e}")
logger.error("Error sending Feishu message: {}", e)
def _on_message_sync(self, data: "P2ImMessageReceiveV1") -> None:
"""
@@ -425,60 +671,89 @@ class FeishuChannel(BaseChannel):
event = data.event
message = event.message
sender = event.sender
# Deduplication check
message_id = message.message_id
if message_id in self._processed_message_ids:
return
self._processed_message_ids[message_id] = None
# Trim cache: keep most recent 500 when exceeds 1000
# Trim cache
while len(self._processed_message_ids) > 1000:
self._processed_message_ids.popitem(last=False)
# Skip bot messages
sender_type = sender.sender_type
if sender_type == "bot":
if sender.sender_type == "bot":
return
sender_id = sender.sender_id.open_id if sender.sender_id else "unknown"
chat_id = message.chat_id
chat_type = message.chat_type # "p2p" or "group"
chat_type = message.chat_type
msg_type = message.message_type
# Add reaction to indicate "seen"
# Add reaction
await self._add_reaction(message_id, "THUMBSUP")
# Parse message content
# Parse content
content_parts = []
media_paths = []
try:
content_json = json.loads(message.content) if message.content else {}
except json.JSONDecodeError:
content_json = {}
if msg_type == "text":
try:
content = json.loads(message.content).get("text", "")
except json.JSONDecodeError:
content = message.content or ""
text = content_json.get("text", "")
if text:
content_parts.append(text)
elif msg_type == "post":
try:
content_json = json.loads(message.content)
content = _extract_post_text(content_json)
except (json.JSONDecodeError, TypeError):
content = message.content or ""
text, image_keys = _extract_post_content(content_json)
if text:
content_parts.append(text)
# Download images embedded in post
for img_key in image_keys:
file_path, content_text = await self._download_and_save_media(
"image", {"image_key": img_key}, message_id
)
if file_path:
media_paths.append(file_path)
content_parts.append(content_text)
elif msg_type in ("image", "audio", "file", "media"):
file_path, content_text = await self._download_and_save_media(msg_type, content_json, message_id)
if file_path:
media_paths.append(file_path)
content_parts.append(content_text)
elif msg_type in ("share_chat", "share_user", "interactive", "share_calendar_event", "system", "merge_forward"):
# Handle share cards and interactive messages
text = _extract_share_card_content(content_json, msg_type)
if text:
content_parts.append(text)
else:
content = MSG_TYPE_MAP.get(msg_type, f"[{msg_type}]")
if not content:
content_parts.append(MSG_TYPE_MAP.get(msg_type, f"[{msg_type}]"))
content = "\n".join(content_parts) if content_parts else ""
if not content and not media_paths:
return
# Forward to message bus
reply_to = chat_id if chat_type == "group" else sender_id
await self._handle_message(
sender_id=sender_id,
chat_id=reply_to,
content=content,
media=media_paths,
metadata={
"message_id": message_id,
"chat_type": chat_type,
"msg_type": msg_type,
}
)
except Exception as e:
logger.error(f"Error processing Feishu message: {e}")
logger.error("Error processing Feishu message: {}", e)

36
nanobot/channels/manager.py
View File

@@ -45,7 +45,7 @@ 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:
@@ -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:
@@ -67,7 +67,7 @@ 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:
@@ -78,7 +78,7 @@ class ChannelManager:
)
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 +90,7 @@ 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 +101,7 @@ 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 +112,7 @@ 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 +123,7 @@ 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:
@@ -135,14 +135,14 @@ 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)
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."""
@@ -156,7 +156,7 @@ class ChannelManager:
# 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)
@@ -178,9 +178,9 @@ class ChannelManager:
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."""
@@ -193,14 +193,20 @@ class ChannelManager:
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

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 ------------------------------------------------------

20
nanobot/channels/qq.py
View File

@@ -34,7 +34,7 @@ def _make_bot_class(channel: "QQChannel") -> "type[botpy.Client]":
super().__init__(intents=intents)
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)
@@ -55,7 +55,6 @@ 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
async def start(self) -> None:
"""Start the QQ bot."""
@@ -71,8 +70,8 @@ class QQChannel(BaseChannel):
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)")
await self._run_bot()
async def _run_bot(self) -> None:
"""Run the bot connection with auto-reconnect."""
@@ -80,7 +79,7 @@ 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 +87,10 @@ 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")
@@ -108,7 +106,7 @@ class QQChannel(BaseChannel):
content=msg.content,
)
except Exception as e:
logger.error(f"Error sending QQ message: {e}")
logger.error("Error sending QQ message: {}", e)
async def _on_message(self, data: "C2CMessage") -> None:
"""Handle incoming message from QQ."""
@@ -130,5 +128,5 @@ class QQChannel(BaseChannel):
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")

92
nanobot/channels/slack.py
View File

@@ -36,7 +36,7 @@ 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
@@ -53,9 +53,9 @@ 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()
@@ -70,7 +70,7 @@ 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:
@@ -84,13 +84,26 @@ class SlackChannel(BaseChannel):
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=self._to_mrkdwn(msg.content),
thread_ts=thread_ts if use_thread else None,
)
thread_ts_param = thread_ts if use_thread else None
if msg.content:
await self._web_client.chat_postMessage(
channel=msg.chat_id,
text=self._to_mrkdwn(msg.content),
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,
@@ -164,20 +177,27 @@ class SlackChannel(BaseChannel):
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":
@@ -209,6 +229,11 @@ class SlackChannel(BaseChannel):
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:
@@ -216,7 +241,26 @@ class SlackChannel(BaseChannel):
if not text:
return ""
text = cls._TABLE_RE.sub(cls._convert_table, text)
return slackify_markdown(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:

78
nanobot/channels/telegram.py
View File

@@ -5,7 +5,7 @@ from __future__ import annotations
import asyncio
import re
from loguru import logger
from telegram import BotCommand, Update
from telegram import BotCommand, Update, ReplyParameters
from telegram.ext import Application, CommandHandler, MessageHandler, filters, ContextTypes
from telegram.request import HTTPXRequest
@@ -111,6 +111,7 @@ class TelegramChannel(BaseChannel):
BOT_COMMANDS = [
BotCommand("start", "Start the bot"),
BotCommand("new", "Start a new conversation"),
BotCommand("stop", "Stop the current task"),
BotCommand("help", "Show available commands"),
]
@@ -146,7 +147,7 @@ class TelegramChannel(BaseChannel):
# 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("help", self._on_help))
# Add message handler for text, photos, voice, documents
self._app.add_handler(
@@ -165,13 +166,13 @@ class TelegramChannel(BaseChannel):
# 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(
@@ -221,9 +222,18 @@ class TelegramChannel(BaseChannel):
try:
chat_id = int(msg.chat_id)
except ValueError:
logger.error(f"Invalid chat_id: {msg.chat_id}")
logger.error("Invalid chat_id: {}", msg.chat_id)
return
reply_params = None
if self.config.reply_to_message:
reply_to_message_id = msg.metadata.get("message_id")
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:
@@ -235,37 +245,65 @@ class TelegramChannel(BaseChannel):
}.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})
await sender(
chat_id=chat_id,
**{param: f},
reply_parameters=reply_params
)
except Exception as e:
filename = media_path.rsplit("/", 1)[-1]
logger.error(f"Failed to send media {media_path}: {e}")
await self._app.bot.send_message(chat_id=chat_id, text=f"[Failed to send: {filename}]")
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
)
# Send text content
if msg.content and msg.content != "[empty message]":
for chunk in _split_message(msg.content):
try:
html = _markdown_to_telegram_html(chunk)
await self._app.bot.send_message(chat_id=chat_id, text=html, parse_mode="HTML")
await self._app.bot.send_message(
chat_id=chat_id,
text=html,
parse_mode="HTML",
reply_parameters=reply_params
)
except Exception as e:
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=chat_id, text=chunk)
await self._app.bot.send_message(
chat_id=chat_id,
text=chunk,
reply_parameters=reply_params
)
except Exception as e2:
logger.error(f"Error sending Telegram message: {e2}")
logger.error("Error sending Telegram message: {}", e2)
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."""
@@ -344,21 +382,21 @@ class TelegramChannel(BaseChannel):
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)
@@ -401,11 +439,11 @@ 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."""

20
nanobot/channels/whatsapp.py
View File

@@ -34,7 +34,7 @@ class WhatsAppChannel(BaseChannel):
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
@@ -53,14 +53,14 @@ class WhatsAppChannel(BaseChannel):
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...")
@@ -87,16 +87,16 @@ class WhatsAppChannel(BaseChannel):
"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")
@@ -112,11 +112,11 @@ class WhatsAppChannel(BaseChannel):
# 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]"
await self._handle_message(
@@ -133,7 +133,7 @@ class WhatsAppChannel(BaseChannel):
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
@@ -145,4 +145,4 @@ class WhatsAppChannel(BaseChannel):
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'))

324
nanobot/cli/commands.py
View File

@@ -199,84 +199,34 @@ def onboard():
def _create_workspace_templates(workspace: Path):
"""Create default workspace template files."""
templates = {
"AGENTS.md": """# Agent Instructions
"""Create default workspace template files from bundled templates."""
from importlib.resources import files as pkg_files
You are a helpful AI assistant. Be concise, accurate, and friendly.
templates_dir = pkg_files("nanobot") / "templates"
## Guidelines
for item in templates_dir.iterdir():
if not item.name.endswith(".md"):
continue
dest = workspace / item.name
if not dest.exists():
dest.write_text(item.read_text(encoding="utf-8"), encoding="utf-8")
console.print(f" [dim]Created {item.name}[/dim]")
- Always explain what you're doing before taking actions
- Ask for clarification when the request is ambiguous
- Use tools to help accomplish tasks
- Remember important information in memory/MEMORY.md; past events are logged in memory/HISTORY.md
""",
"SOUL.md": """# Soul
I am nanobot, a lightweight 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
""",
"USER.md": """# User
Information about the user goes here.
## Preferences
- Communication style: (casual/formal)
- Timezone: (your timezone)
- Language: (your preferred language)
""",
}
for filename, content in templates.items():
file_path = workspace / filename
if not file_path.exists():
file_path.write_text(content)
console.print(f" [dim]Created {filename}[/dim]")
# Create memory directory and MEMORY.md
memory_dir = workspace / "memory"
memory_dir.mkdir(exist_ok=True)
memory_template = templates_dir / "memory" / "MEMORY.md"
memory_file = memory_dir / "MEMORY.md"
if not memory_file.exists():
memory_file.write_text("""# 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)
## Important Notes
(Things to remember)
""")
memory_file.write_text(memory_template.read_text(encoding="utf-8"), encoding="utf-8")
console.print(" [dim]Created memory/MEMORY.md[/dim]")
history_file = memory_dir / "HISTORY.md"
if not history_file.exists():
history_file.write_text("")
history_file.write_text("", encoding="utf-8")
console.print(" [dim]Created memory/HISTORY.md[/dim]")
# Create skills directory for custom user skills
skills_dir = workspace / "skills"
skills_dir.mkdir(exist_ok=True)
(workspace / "skills").mkdir(exist_ok=True)
def _make_provider(config: Config):
@@ -368,6 +318,7 @@ def gateway(
restrict_to_workspace=config.tools.restrict_to_workspace,
session_manager=session_manager,
mcp_servers=config.tools.mcp_servers,
channels_config=config.channels,
)
# Set cron callback (needs agent)
@@ -389,20 +340,59 @@ def gateway(
return response
cron.on_job = on_cron_job
# Create heartbeat service
async def on_heartbeat(prompt: str) -> str:
"""Execute heartbeat through the agent."""
return await agent.process_direct(prompt, session_key="heartbeat")
heartbeat = HeartbeatService(
workspace=config.workspace_path,
on_heartbeat=on_heartbeat,
interval_s=30 * 60, # 30 minutes
enabled=True
)
# Create channel manager
channels = ChannelManager(config, bus)
def _pick_heartbeat_target() -> tuple[str, str]:
"""Pick a routable channel/chat target for heartbeat-triggered messages."""
enabled = set(channels.enabled_channels)
# Prefer the most recently updated non-internal session on an enabled channel.
for item in session_manager.list_sessions():
key = item.get("key") or ""
if ":" not in key:
continue
channel, chat_id = key.split(":", 1)
if channel in {"cli", "system"}:
continue
if channel in enabled and chat_id:
return channel, chat_id
# Fallback keeps prior behavior but remains explicit.
return "cli", "direct"
# Create heartbeat service
async def on_heartbeat_execute(tasks: str) -> str:
"""Phase 2: execute heartbeat tasks through the full agent loop."""
channel, chat_id = _pick_heartbeat_target()
async def _silent(*_args, **_kwargs):
pass
return await agent.process_direct(
tasks,
session_key="heartbeat",
channel=channel,
chat_id=chat_id,
on_progress=_silent,
)
async def on_heartbeat_notify(response: str) -> None:
"""Deliver a heartbeat response to the user's channel."""
from nanobot.bus.events import OutboundMessage
channel, chat_id = _pick_heartbeat_target()
if channel == "cli":
return # No external channel available to deliver to
await bus.publish_outbound(OutboundMessage(channel=channel, chat_id=chat_id, content=response))
hb_cfg = config.gateway.heartbeat
heartbeat = HeartbeatService(
workspace=config.workspace_path,
provider=provider,
model=agent.model,
on_execute=on_heartbeat_execute,
on_notify=on_heartbeat_notify,
interval_s=hb_cfg.interval_s,
enabled=hb_cfg.enabled,
)
if channels.enabled_channels:
console.print(f"[green]✓[/green] Channels enabled: {', '.join(channels.enabled_channels)}")
@@ -413,7 +403,7 @@ def gateway(
if cron_status["jobs"] > 0:
console.print(f"[green]✓[/green] Cron: {cron_status['jobs']} scheduled jobs")
console.print(f"[green]✓[/green] Heartbeat: every 30m")
console.print(f"[green]✓[/green] Heartbeat: every {hb_cfg.interval_s}s")
async def run():
try:
@@ -484,6 +474,7 @@ def agent(
cron_service=cron,
restrict_to_workspace=config.tools.restrict_to_workspace,
mcp_servers=config.tools.mcp_servers,
channels_config=config.channels,
)
# Show spinner when logs are off (no output to miss); skip when logs are on
@@ -494,31 +485,74 @@ def agent(
# Animated spinner is safe to use with prompt_toolkit input handling
return console.status("[dim]nanobot is thinking...[/dim]", spinner="dots")
async def _cli_progress(content: str) -> None:
async def _cli_progress(content: str, *, tool_hint: bool = False) -> None:
ch = agent_loop.channels_config
if ch and tool_hint and not ch.send_tool_hints:
return
if ch and not tool_hint and not ch.send_progress:
return
console.print(f" [dim]↳ {content}[/dim]")
if message:
# Single message mode
# Single message mode — direct call, no bus needed
async def run_once():
with _thinking_ctx():
response = await agent_loop.process_direct(message, session_id, on_progress=_cli_progress)
_print_agent_response(response, render_markdown=markdown)
await agent_loop.close_mcp()
asyncio.run(run_once())
else:
# Interactive mode
# Interactive mode — route through bus like other channels
from nanobot.bus.events import InboundMessage
_init_prompt_session()
console.print(f"{__logo__} Interactive mode (type [bold]exit[/bold] or [bold]Ctrl+C[/bold] to quit)\n")
if ":" in session_id:
cli_channel, cli_chat_id = session_id.split(":", 1)
else:
cli_channel, cli_chat_id = "cli", session_id
def _exit_on_sigint(signum, frame):
_restore_terminal()
console.print("\nGoodbye!")
os._exit(0)
signal.signal(signal.SIGINT, _exit_on_sigint)
async def run_interactive():
bus_task = asyncio.create_task(agent_loop.run())
turn_done = asyncio.Event()
turn_done.set()
turn_response: list[str] = []
async def _consume_outbound():
while True:
try:
msg = await asyncio.wait_for(bus.consume_outbound(), timeout=1.0)
if msg.metadata.get("_progress"):
is_tool_hint = msg.metadata.get("_tool_hint", False)
ch = agent_loop.channels_config
if ch and is_tool_hint and not ch.send_tool_hints:
pass
elif ch and not is_tool_hint and not ch.send_progress:
pass
else:
console.print(f" [dim]↳ {msg.content}[/dim]")
elif not turn_done.is_set():
if msg.content:
turn_response.append(msg.content)
turn_done.set()
elif msg.content:
console.print()
_print_agent_response(msg.content, render_markdown=markdown)
except asyncio.TimeoutError:
continue
except asyncio.CancelledError:
break
outbound_task = asyncio.create_task(_consume_outbound())
try:
while True:
try:
@@ -532,10 +566,22 @@ def agent(
_restore_terminal()
console.print("\nGoodbye!")
break
turn_done.clear()
turn_response.clear()
await bus.publish_inbound(InboundMessage(
channel=cli_channel,
sender_id="user",
chat_id=cli_chat_id,
content=user_input,
))
with _thinking_ctx():
response = await agent_loop.process_direct(user_input, session_id, on_progress=_cli_progress)
_print_agent_response(response, render_markdown=markdown)
await turn_done.wait()
if turn_response:
_print_agent_response(turn_response[0], render_markdown=markdown)
except KeyboardInterrupt:
_restore_terminal()
console.print("\nGoodbye!")
@@ -545,8 +591,11 @@ def agent(
console.print("\nGoodbye!")
break
finally:
agent_loop.stop()
outbound_task.cancel()
await asyncio.gather(bus_task, outbound_task, return_exceptions=True)
await agent_loop.close_mcp()
asyncio.run(run_interactive())
@@ -622,6 +671,33 @@ def channels_status():
slack_config
)
# DingTalk
dt = config.channels.dingtalk
dt_config = f"client_id: {dt.client_id[:10]}..." if dt.client_id else "[dim]not configured[/dim]"
table.add_row(
"DingTalk",
"✓" if dt.enabled else "✗",
dt_config
)
# QQ
qq = config.channels.qq
qq_config = f"app_id: {qq.app_id[:10]}..." if qq.app_id else "[dim]not configured[/dim]"
table.add_row(
"QQ",
"✓" if qq.enabled else "✗",
qq_config
)
# Email
em = config.channels.email
em_config = em.imap_host if em.imap_host else "[dim]not configured[/dim]"
table.add_row(
"Email",
"✓" if em.enabled else "✗",
em_config
)
console.print(table)
@@ -805,15 +881,19 @@ def cron_add(
store_path = get_data_dir() / "cron" / "jobs.json"
service = CronService(store_path)
job = service.add_job(
name=name,
schedule=schedule,
message=message,
deliver=deliver,
to=to,
channel=channel,
)
try:
job = service.add_job(
name=name,
schedule=schedule,
message=message,
deliver=deliver,
to=to,
channel=channel,
)
except ValueError as e:
console.print(f"[red]Error: {e}[/red]")
raise typer.Exit(1) from e
console.print(f"[green]✓[/green] Added job '{job.name}' ({job.id})")
@@ -860,17 +940,57 @@ def cron_run(
force: bool = typer.Option(False, "--force", "-f", help="Run even if disabled"),
):
"""Manually run a job."""
from nanobot.config.loader import get_data_dir
from loguru import logger
from nanobot.config.loader import load_config, get_data_dir
from nanobot.cron.service import CronService
from nanobot.cron.types import CronJob
from nanobot.bus.queue import MessageBus
from nanobot.agent.loop import AgentLoop
logger.disable("nanobot")
config = load_config()
provider = _make_provider(config)
bus = MessageBus()
agent_loop = AgentLoop(
bus=bus,
provider=provider,
workspace=config.workspace_path,
model=config.agents.defaults.model,
temperature=config.agents.defaults.temperature,
max_tokens=config.agents.defaults.max_tokens,
max_iterations=config.agents.defaults.max_tool_iterations,
memory_window=config.agents.defaults.memory_window,
brave_api_key=config.tools.web.search.api_key or None,
exec_config=config.tools.exec,
restrict_to_workspace=config.tools.restrict_to_workspace,
mcp_servers=config.tools.mcp_servers,
channels_config=config.channels,
)
store_path = get_data_dir() / "cron" / "jobs.json"
service = CronService(store_path)
result_holder = []
async def on_job(job: CronJob) -> str | None:
response = await agent_loop.process_direct(
job.payload.message,
session_key=f"cron:{job.id}",
channel=job.payload.channel or "cli",
chat_id=job.payload.to or "direct",
)
result_holder.append(response)
return response
service.on_job = on_job
async def run():
return await service.run_job(job_id, force=force)
if asyncio.run(run()):
console.print(f"[green]✓[/green] Job executed")
console.print("[green]✓[/green] Job executed")
if result_holder:
_print_agent_response(result_holder[0], render_markdown=True)
else:
console.print(f"[red]Failed to run job {job_id}[/red]")

6
nanobot/config/loader.py
View File

@@ -31,7 +31,7 @@ def load_config(config_path: Path | None = None) -> Config:
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(data)
@@ -55,8 +55,8 @@ def save_config(config: Config, config_path: Path | None = None) -> None:
data = config.model_dump(by_alias=True)
with open(path, "w") as f:
json.dump(data, f, indent=2)
with open(path, "w", encoding="utf-8") as f:
json.dump(data, f, indent=2, ensure_ascii=False)
def _migrate_config(data: dict) -> dict:

27
nanobot/config/schema.py
View File

@@ -30,6 +30,7 @@ class TelegramConfig(Base):
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"
reply_to_message: bool = False # If true, bot replies quote the original message
class FeishuConfig(Base):
@@ -189,6 +190,8 @@ class QQConfig(Base):
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)
@@ -206,10 +209,11 @@ class AgentDefaults(Base):
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
class AgentsConfig(Base):
@@ -243,15 +247,24 @@ class ProvidersConfig(Base):
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) API gateway
volcengine: ProviderConfig = Field(default_factory=ProviderConfig) # VolcEngine (火山引擎) API gateway
openai_codex: ProviderConfig = Field(default_factory=ProviderConfig) # OpenAI Codex (OAuth)
github_copilot: ProviderConfig = Field(default_factory=ProviderConfig) # Github Copilot (OAuth)
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(Base):
@@ -271,6 +284,7 @@ class ExecToolConfig(Base):
"""Shell exec tool configuration."""
timeout: int = 60
path_append: str = ""
class MCPServerConfig(Base):
@@ -280,6 +294,8 @@ class MCPServerConfig(Base):
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
headers: dict[str, str] = Field(default_factory=dict) # HTTP: Custom HTTP Headers
tool_timeout: int = 30 # Seconds before a tool call is cancelled
class ToolsConfig(Base):
@@ -309,6 +325,11 @@ class Config(BaseSettings):
"""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 ""

33
nanobot/cron/service.py
View File

@@ -45,6 +45,20 @@ def _compute_next_run(schedule: CronSchedule, now_ms: int) -> int | 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."""
@@ -66,7 +80,7 @@ class CronService:
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(
@@ -99,7 +113,7 @@ 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()
@@ -148,7 +162,7 @@ class CronService:
]
}
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")
async def start(self) -> None:
"""Start the cron service."""
@@ -157,7 +171,7 @@ 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."""
@@ -222,7 +236,7 @@ class CronService:
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
@@ -231,12 +245,12 @@ class CronService:
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()
@@ -272,6 +286,7 @@ class CronService:
) -> CronJob:
"""Add a new job."""
store = self._load_store()
_validate_schedule_for_add(schedule)
now = _now_ms()
job = CronJob(
@@ -296,7 +311,7 @@ class CronService:
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:
@@ -309,7 +324,7 @@ class CronService:
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

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)

40
nanobot/providers/base.py
View File

@@ -39,6 +39,46 @@ class LLMProvider(ABC):
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
result.append(msg)
return result
@abstractmethod
async def chat(

11
nanobot/providers/custom_provider.py
View File

@@ -19,8 +19,12 @@ class CustomProvider(LLMProvider):
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) -> LLMResponse:
kwargs: dict[str, Any] = {"model": model or self.default_model, "messages": messages,
"max_tokens": max(1, max_tokens), "temperature": temperature}
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 tools:
kwargs.update(tools=tools, tool_choice="auto")
try:
@@ -40,8 +44,9 @@ class CustomProvider(LLMProvider):
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),
reasoning_content=getattr(msg, "reasoning_content", None) or None,
)
def get_default_model(self) -> str:
return self.default_model

62
nanobot/providers/litellm_provider.py
View File

@@ -12,6 +12,11 @@ from nanobot.providers.base import LLMProvider, LLMResponse, ToolCallRequest
from nanobot.providers.registry import find_by_model, find_gateway
# Standard OpenAI chat-completion message keys plus reasoning_content for
# thinking-enabled models (Kimi k2.5, DeepSeek-R1, etc.).
_ALLOWED_MSG_KEYS = frozenset({"role", "content", "tool_calls", "tool_call_id", "name", "reasoning_content"})
class LiteLLMProvider(LLMProvider):
"""
LLM provider using LiteLLM for multi-provider support.
@@ -104,6 +109,39 @@ class LiteLLMProvider(LLMProvider):
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()
@@ -114,6 +152,18 @@ class LiteLLMProvider(LLMProvider):
kwargs.update(overrides)
return
@staticmethod
def _sanitize_messages(messages: list[dict[str, Any]]) -> list[dict[str, Any]]:
"""Strip non-standard keys and ensure assistant messages have a content key."""
sanitized = []
for msg in messages:
clean = {k: v for k, v in msg.items() if k in _ALLOWED_MSG_KEYS}
# Strict providers require "content" even when assistant only has tool_calls
if clean.get("role") == "assistant" and "content" not in clean:
clean["content"] = None
sanitized.append(clean)
return sanitized
async def chat(
self,
messages: list[dict[str, Any]],
@@ -135,15 +185,19 @@ class LiteLLMProvider(LLMProvider):
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)
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)),
"max_tokens": max_tokens,
"temperature": temperature,
}
@@ -204,7 +258,7 @@ class LiteLLMProvider(LLMProvider):
"total_tokens": response.usage.total_tokens,
}
reasoning_content = getattr(message, "reasoning_content", None)
reasoning_content = getattr(message, "reasoning_content", None) or None
return LLMResponse(
content=message.content,

2
nanobot/providers/openai_codex_provider.py
View File

@@ -176,7 +176,7 @@ def _convert_messages(messages: list[dict[str, Any]]) -> tuple[str, list[dict[st
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)
output_text = content if isinstance(content, str) else json.dumps(content, ensure_ascii=False)
input_items.append(
{
"type": "function_call_output",

23
nanobot/providers/registry.py
View File

@@ -57,6 +57,9 @@ class ProviderSpec:
# 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()
@@ -97,6 +100,7 @@ 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.
@@ -137,6 +141,24 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
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.
@@ -155,6 +177,7 @@ PROVIDERS: tuple[ProviderSpec, ...] = (
default_api_base="",
strip_model_prefix=False,
model_overrides=(),
supports_prompt_caching=True,
),
# OpenAI: LiteLLM recognizes "gpt-*" natively, no prefix needed.

4
nanobot/providers/transcription.py
View File

@@ -35,7 +35,7 @@ class GroqTranscriptionProvider:
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:
@@ -61,5 +61,5 @@ class GroqTranscriptionProvider:
return data.get("text", "")
except Exception as e:
logger.error(f"Groq transcription error: {e}")
logger.error("Groq transcription error: {}", e)
return ""

38
nanobot/session/manager.py
View File

@@ -1,6 +1,7 @@
"""Session management for conversation history."""
import json
import shutil
from pathlib import Path
from dataclasses import dataclass, field
from datetime import datetime
@@ -42,9 +43,18 @@ class Session:
self.updated_at = datetime.now()
def get_history(self, max_messages: int = 500) -> list[dict[str, Any]]:
"""Get recent messages in LLM format, preserving tool metadata."""
"""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 self.messages[-max_messages:]:
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:
@@ -108,9 +118,11 @@ class SessionManager:
if not path.exists():
legacy_path = self._get_legacy_session_path(key)
if legacy_path.exists():
import shutil
shutil.move(str(legacy_path), str(path))
logger.info(f"Migrated session {key} from legacy path")
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
@@ -121,7 +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:
@@ -144,24 +156,25 @@ 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
@@ -181,13 +194,14 @@ class SessionManager:
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)

23
nanobot/templates/AGENTS.md Normal file
View File

@@ -0,0 +1,23 @@
# Agent Instructions
You are a helpful AI assistant. Be concise, accurate, and friendly.
## Scheduled Reminders
When user asks for a reminder at a specific time, use `exec` to run:
```
nanobot cron add --name "reminder" --message "Your message" --at "YYYY-MM-DDTHH:MM:SS" --deliver --to "USER_ID" --channel "CHANNEL"
```
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 every 30 minutes. 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.

0
workspace/HEARTBEAT.md → nanobot/templates/HEARTBEAT.md
View File

0
workspace/SOUL.md → nanobot/templates/SOUL.md
View File

15
nanobot/templates/TOOLS.md Normal file
View File

@@ -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.

0
workspace/USER.md → nanobot/templates/USER.md
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0
nanobot/templates/__init__.py Normal file
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0
workspace/memory/MEMORY.md → nanobot/templates/memory/MEMORY.md
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0
nanobot/templates/memory/__init__.py Normal file
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3
nanobot/utils/helpers.py
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@@ -3,7 +3,6 @@
from pathlib import Path
from datetime import datetime
def ensure_dir(path: Path) -> Path:
"""Ensure a directory exists, creating it if necessary."""
path.mkdir(parents=True, exist_ok=True)
@@ -77,4 +76,4 @@ def parse_session_key(key: str) -> tuple[str, str]:
parts = key.split(":", 1)
if len(parts) != 2:
raise ValueError(f"Invalid session key: {key}")
return parts[0], parts[1]
return parts[0], parts[1]

5
pyproject.toml
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@@ -1,6 +1,6 @@
[project]
name = "nanobot-ai"
version = "0.1.4"
version = "0.1.4.post2"
description = "A lightweight personal AI assistant framework"
requires-python = ">=3.11"
license = {text = "MIT"}
@@ -67,10 +67,11 @@ packages = ["nanobot"]
[tool.hatch.build.targets.wheel.sources]
"nanobot" = "nanobot"
# Include non-Python files in skills
# Include non-Python files in skills and templates
[tool.hatch.build]
include = [
"nanobot/**/*.py",
"nanobot/templates/**/*.md",
"nanobot/skills/**/*.md",
"nanobot/skills/**/*.sh",
]

351
tests/test_consolidate_offset.py
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@@ -1,5 +1,8 @@
"""Test session management with cache-friendly message handling."""
import asyncio
from unittest.mock import AsyncMock, MagicMock
import pytest
from pathlib import Path
from nanobot.session.manager import Session, SessionManager
@@ -475,3 +478,351 @@ class TestEmptyAndBoundarySessions:
expected_count = 60 - KEEP_COUNT - 10
assert len(old_messages) == expected_count
assert_messages_content(old_messages, 10, 34)
class TestConsolidationDeduplicationGuard:
"""Test that consolidation tasks are deduplicated and serialized."""
@pytest.mark.asyncio
async def test_consolidation_guard_prevents_duplicate_tasks(self, tmp_path: Path) -> None:
"""Concurrent messages above memory_window spawn only one consolidation task."""
from nanobot.agent.loop import AgentLoop
from nanobot.bus.events import InboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.providers.base import LLMResponse
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
loop = AgentLoop(
bus=bus, provider=provider, workspace=tmp_path, model="test-model", memory_window=10
)
loop.provider.chat = AsyncMock(return_value=LLMResponse(content="ok", tool_calls=[]))
loop.tools.get_definitions = MagicMock(return_value=[])
session = loop.sessions.get_or_create("cli:test")
for i in range(15):
session.add_message("user", f"msg{i}")
session.add_message("assistant", f"resp{i}")
loop.sessions.save(session)
consolidation_calls = 0
async def _fake_consolidate(_session, archive_all: bool = False) -> None:
nonlocal consolidation_calls
consolidation_calls += 1
await asyncio.sleep(0.05)
loop._consolidate_memory = _fake_consolidate # type: ignore[method-assign]
msg = InboundMessage(channel="cli", sender_id="user", chat_id="test", content="hello")
await loop._process_message(msg)
await loop._process_message(msg)
await asyncio.sleep(0.1)
assert consolidation_calls == 1, (
f"Expected exactly 1 consolidation, got {consolidation_calls}"
)
@pytest.mark.asyncio
async def test_new_command_guard_prevents_concurrent_consolidation(
self, tmp_path: Path
) -> None:
"""/new command does not run consolidation concurrently with in-flight consolidation."""
from nanobot.agent.loop import AgentLoop
from nanobot.bus.events import InboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.providers.base import LLMResponse
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
loop = AgentLoop(
bus=bus, provider=provider, workspace=tmp_path, model="test-model", memory_window=10
)
loop.provider.chat = AsyncMock(return_value=LLMResponse(content="ok", tool_calls=[]))
loop.tools.get_definitions = MagicMock(return_value=[])
session = loop.sessions.get_or_create("cli:test")
for i in range(15):
session.add_message("user", f"msg{i}")
session.add_message("assistant", f"resp{i}")
loop.sessions.save(session)
consolidation_calls = 0
active = 0
max_active = 0
async def _fake_consolidate(_session, archive_all: bool = False) -> None:
nonlocal consolidation_calls, active, max_active
consolidation_calls += 1
active += 1
max_active = max(max_active, active)
await asyncio.sleep(0.05)
active -= 1
loop._consolidate_memory = _fake_consolidate # type: ignore[method-assign]
msg = InboundMessage(channel="cli", sender_id="user", chat_id="test", content="hello")
await loop._process_message(msg)
new_msg = InboundMessage(channel="cli", sender_id="user", chat_id="test", content="/new")
await loop._process_message(new_msg)
await asyncio.sleep(0.1)
assert consolidation_calls == 2, (
f"Expected normal + /new consolidations, got {consolidation_calls}"
)
assert max_active == 1, (
f"Expected serialized consolidation, observed concurrency={max_active}"
)
@pytest.mark.asyncio
async def test_consolidation_tasks_are_referenced(self, tmp_path: Path) -> None:
"""create_task results are tracked in _consolidation_tasks while in flight."""
from nanobot.agent.loop import AgentLoop
from nanobot.bus.events import InboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.providers.base import LLMResponse
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
loop = AgentLoop(
bus=bus, provider=provider, workspace=tmp_path, model="test-model", memory_window=10
)
loop.provider.chat = AsyncMock(return_value=LLMResponse(content="ok", tool_calls=[]))
loop.tools.get_definitions = MagicMock(return_value=[])
session = loop.sessions.get_or_create("cli:test")
for i in range(15):
session.add_message("user", f"msg{i}")
session.add_message("assistant", f"resp{i}")
loop.sessions.save(session)
started = asyncio.Event()
async def _slow_consolidate(_session, archive_all: bool = False) -> None:
started.set()
await asyncio.sleep(0.1)
loop._consolidate_memory = _slow_consolidate # type: ignore[method-assign]
msg = InboundMessage(channel="cli", sender_id="user", chat_id="test", content="hello")
await loop._process_message(msg)
await started.wait()
assert len(loop._consolidation_tasks) == 1, "Task must be referenced while in-flight"
await asyncio.sleep(0.15)
assert len(loop._consolidation_tasks) == 0, (
"Task reference must be removed after completion"
)
@pytest.mark.asyncio
async def test_new_waits_for_inflight_consolidation_and_preserves_messages(
self, tmp_path: Path
) -> None:
"""/new waits for in-flight consolidation and archives before clear."""
from nanobot.agent.loop import AgentLoop
from nanobot.bus.events import InboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.providers.base import LLMResponse
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
loop = AgentLoop(
bus=bus, provider=provider, workspace=tmp_path, model="test-model", memory_window=10
)
loop.provider.chat = AsyncMock(return_value=LLMResponse(content="ok", tool_calls=[]))
loop.tools.get_definitions = MagicMock(return_value=[])
session = loop.sessions.get_or_create("cli:test")
for i in range(15):
session.add_message("user", f"msg{i}")
session.add_message("assistant", f"resp{i}")
loop.sessions.save(session)
started = asyncio.Event()
release = asyncio.Event()
archived_count = 0
async def _fake_consolidate(sess, archive_all: bool = False) -> bool:
nonlocal archived_count
if archive_all:
archived_count = len(sess.messages)
return True
started.set()
await release.wait()
return True
loop._consolidate_memory = _fake_consolidate # type: ignore[method-assign]
msg = InboundMessage(channel="cli", sender_id="user", chat_id="test", content="hello")
await loop._process_message(msg)
await started.wait()
new_msg = InboundMessage(channel="cli", sender_id="user", chat_id="test", content="/new")
pending_new = asyncio.create_task(loop._process_message(new_msg))
await asyncio.sleep(0.02)
assert not pending_new.done(), "/new should wait while consolidation is in-flight"
release.set()
response = await pending_new
assert response is not None
assert "new session started" in response.content.lower()
assert archived_count > 0, "Expected /new archival to process a non-empty snapshot"
session_after = loop.sessions.get_or_create("cli:test")
assert session_after.messages == [], "Session should be cleared after successful archival"
@pytest.mark.asyncio
async def test_new_does_not_clear_session_when_archive_fails(self, tmp_path: Path) -> None:
"""/new must keep session data if archive step reports failure."""
from nanobot.agent.loop import AgentLoop
from nanobot.bus.events import InboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.providers.base import LLMResponse
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
loop = AgentLoop(
bus=bus, provider=provider, workspace=tmp_path, model="test-model", memory_window=10
)
loop.provider.chat = AsyncMock(return_value=LLMResponse(content="ok", tool_calls=[]))
loop.tools.get_definitions = MagicMock(return_value=[])
session = loop.sessions.get_or_create("cli:test")
for i in range(5):
session.add_message("user", f"msg{i}")
session.add_message("assistant", f"resp{i}")
loop.sessions.save(session)
before_count = len(session.messages)
async def _failing_consolidate(sess, archive_all: bool = False) -> bool:
if archive_all:
return False
return True
loop._consolidate_memory = _failing_consolidate # type: ignore[method-assign]
new_msg = InboundMessage(channel="cli", sender_id="user", chat_id="test", content="/new")
response = await loop._process_message(new_msg)
assert response is not None
assert "failed" in response.content.lower()
session_after = loop.sessions.get_or_create("cli:test")
assert len(session_after.messages) == before_count, (
"Session must remain intact when /new archival fails"
)
@pytest.mark.asyncio
async def test_new_archives_only_unconsolidated_messages_after_inflight_task(
self, tmp_path: Path
) -> None:
"""/new should archive only messages not yet consolidated by prior task."""
from nanobot.agent.loop import AgentLoop
from nanobot.bus.events import InboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.providers.base import LLMResponse
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
loop = AgentLoop(
bus=bus, provider=provider, workspace=tmp_path, model="test-model", memory_window=10
)
loop.provider.chat = AsyncMock(return_value=LLMResponse(content="ok", tool_calls=[]))
loop.tools.get_definitions = MagicMock(return_value=[])
session = loop.sessions.get_or_create("cli:test")
for i in range(15):
session.add_message("user", f"msg{i}")
session.add_message("assistant", f"resp{i}")
loop.sessions.save(session)
started = asyncio.Event()
release = asyncio.Event()
archived_count = -1
async def _fake_consolidate(sess, archive_all: bool = False) -> bool:
nonlocal archived_count
if archive_all:
archived_count = len(sess.messages)
return True
started.set()
await release.wait()
sess.last_consolidated = len(sess.messages) - 3
return True
loop._consolidate_memory = _fake_consolidate # type: ignore[method-assign]
msg = InboundMessage(channel="cli", sender_id="user", chat_id="test", content="hello")
await loop._process_message(msg)
await started.wait()
new_msg = InboundMessage(channel="cli", sender_id="user", chat_id="test", content="/new")
pending_new = asyncio.create_task(loop._process_message(new_msg))
await asyncio.sleep(0.02)
assert not pending_new.done()
release.set()
response = await pending_new
assert response is not None
assert "new session started" in response.content.lower()
assert archived_count == 3, (
f"Expected only unconsolidated tail to archive, got {archived_count}"
)
@pytest.mark.asyncio
async def test_new_cleans_up_consolidation_lock_for_invalidated_session(
self, tmp_path: Path
) -> None:
"""/new should remove lock entry for fully invalidated session key."""
from nanobot.agent.loop import AgentLoop
from nanobot.bus.events import InboundMessage
from nanobot.bus.queue import MessageBus
from nanobot.providers.base import LLMResponse
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
loop = AgentLoop(
bus=bus, provider=provider, workspace=tmp_path, model="test-model", memory_window=10
)
loop.provider.chat = AsyncMock(return_value=LLMResponse(content="ok", tool_calls=[]))
loop.tools.get_definitions = MagicMock(return_value=[])
session = loop.sessions.get_or_create("cli:test")
for i in range(3):
session.add_message("user", f"msg{i}")
session.add_message("assistant", f"resp{i}")
loop.sessions.save(session)
# Ensure lock exists before /new.
_ = loop._get_consolidation_lock(session.key)
assert session.key in loop._consolidation_locks
async def _ok_consolidate(sess, archive_all: bool = False) -> bool:
return True
loop._consolidate_memory = _ok_consolidate # type: ignore[method-assign]
new_msg = InboundMessage(channel="cli", sender_id="user", chat_id="test", content="/new")
response = await loop._process_message(new_msg)
assert response is not None
assert "new session started" in response.content.lower()
assert session.key not in loop._consolidation_locks

66
tests/test_context_prompt_cache.py Normal file
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@@ -0,0 +1,66 @@
"""Tests for cache-friendly prompt construction."""
from __future__ import annotations
from datetime import datetime as real_datetime
from pathlib import Path
import datetime as datetime_module
from nanobot.agent.context import ContextBuilder
class _FakeDatetime(real_datetime):
current = real_datetime(2026, 2, 24, 13, 59)
@classmethod
def now(cls, tz=None): # type: ignore[override]
return cls.current
def _make_workspace(tmp_path: Path) -> Path:
workspace = tmp_path / "workspace"
workspace.mkdir(parents=True)
return workspace
def test_system_prompt_stays_stable_when_clock_changes(tmp_path, monkeypatch) -> None:
"""System prompt should not change just because wall clock minute changes."""
monkeypatch.setattr(datetime_module, "datetime", _FakeDatetime)
workspace = _make_workspace(tmp_path)
builder = ContextBuilder(workspace)
_FakeDatetime.current = real_datetime(2026, 2, 24, 13, 59)
prompt1 = builder.build_system_prompt()
_FakeDatetime.current = real_datetime(2026, 2, 24, 14, 0)
prompt2 = builder.build_system_prompt()
assert prompt1 == prompt2
def test_runtime_context_is_separate_untrusted_user_message(tmp_path) -> None:
"""Runtime metadata should be a separate user message before the actual user message."""
workspace = _make_workspace(tmp_path)
builder = ContextBuilder(workspace)
messages = builder.build_messages(
history=[],
current_message="Return exactly: OK",
channel="cli",
chat_id="direct",
)
assert messages[0]["role"] == "system"
assert "## Current Session" not in messages[0]["content"]
assert messages[-2]["role"] == "user"
runtime_content = messages[-2]["content"]
assert isinstance(runtime_content, str)
assert ContextBuilder._RUNTIME_CONTEXT_TAG in runtime_content
assert "Current Time:" in runtime_content
assert "Channel: cli" in runtime_content
assert "Chat ID: direct" in runtime_content
assert messages[-1]["role"] == "user"
assert messages[-1]["content"] == "Return exactly: OK"

29
tests/test_cron_commands.py Normal file
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@@ -0,0 +1,29 @@
from typer.testing import CliRunner
from nanobot.cli.commands import app
runner = CliRunner()
def test_cron_add_rejects_invalid_timezone(monkeypatch, tmp_path) -> None:
monkeypatch.setattr("nanobot.config.loader.get_data_dir", lambda: tmp_path)
result = runner.invoke(
app,
[
"cron",
"add",
"--name",
"demo",
"--message",
"hello",
"--cron",
"0 9 * * *",
"--tz",
"America/Vancovuer",
],
)
assert result.exit_code == 1
assert "Error: unknown timezone 'America/Vancovuer'" in result.stdout
assert not (tmp_path / "cron" / "jobs.json").exists()

30
tests/test_cron_service.py Normal file
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@@ -0,0 +1,30 @@
import pytest
from nanobot.cron.service import CronService
from nanobot.cron.types import CronSchedule
def test_add_job_rejects_unknown_timezone(tmp_path) -> None:
service = CronService(tmp_path / "cron" / "jobs.json")
with pytest.raises(ValueError, match="unknown timezone 'America/Vancovuer'"):
service.add_job(
name="tz typo",
schedule=CronSchedule(kind="cron", expr="0 9 * * *", tz="America/Vancovuer"),
message="hello",
)
assert service.list_jobs(include_disabled=True) == []
def test_add_job_accepts_valid_timezone(tmp_path) -> None:
service = CronService(tmp_path / "cron" / "jobs.json")
job = service.add_job(
name="tz ok",
schedule=CronSchedule(kind="cron", expr="0 9 * * *", tz="America/Vancouver"),
message="hello",
)
assert job.schedule.tz == "America/Vancouver"
assert job.state.next_run_at_ms is not None

59
tests/test_email_channel.py
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@@ -169,7 +169,8 @@ async def test_send_uses_smtp_and_reply_subject(monkeypatch) -> None:
@pytest.mark.asyncio
async def test_send_skips_when_auto_reply_disabled(monkeypatch) -> None:
async def test_send_skips_reply_when_auto_reply_disabled(monkeypatch) -> None:
"""When auto_reply_enabled=False, replies should be skipped but proactive sends allowed."""
class FakeSMTP:
def __init__(self, _host: str, _port: int, timeout: int = 30) -> None:
self.sent_messages: list[EmailMessage] = []
@@ -201,6 +202,11 @@ async def test_send_skips_when_auto_reply_disabled(monkeypatch) -> None:
cfg = _make_config()
cfg.auto_reply_enabled = False
channel = EmailChannel(cfg, MessageBus())
# Mark alice as someone who sent us an email (making this a "reply")
channel._last_subject_by_chat["alice@example.com"] = "Previous email"
# Reply should be skipped (auto_reply_enabled=False)
await channel.send(
OutboundMessage(
channel="email",
@@ -210,6 +216,7 @@ async def test_send_skips_when_auto_reply_disabled(monkeypatch) -> None:
)
assert fake_instances == []
# Reply with force_send=True should be sent
await channel.send(
OutboundMessage(
channel="email",
@@ -222,6 +229,56 @@ async def test_send_skips_when_auto_reply_disabled(monkeypatch) -> None:
assert len(fake_instances[0].sent_messages) == 1
@pytest.mark.asyncio
async def test_send_proactive_email_when_auto_reply_disabled(monkeypatch) -> None:
"""Proactive emails (not replies) should be sent even when auto_reply_enabled=False."""
class FakeSMTP:
def __init__(self, _host: str, _port: int, timeout: int = 30) -> None:
self.sent_messages: list[EmailMessage] = []
def __enter__(self):
return self
def __exit__(self, exc_type, exc, tb):
return False
def starttls(self, context=None):
return None
def login(self, _user: str, _pw: str):
return None
def send_message(self, msg: EmailMessage):
self.sent_messages.append(msg)
fake_instances: list[FakeSMTP] = []
def _smtp_factory(host: str, port: int, timeout: int = 30):
instance = FakeSMTP(host, port, timeout=timeout)
fake_instances.append(instance)
return instance
monkeypatch.setattr("nanobot.channels.email.smtplib.SMTP", _smtp_factory)
cfg = _make_config()
cfg.auto_reply_enabled = False
channel = EmailChannel(cfg, MessageBus())
# bob@example.com has never sent us an email (proactive send)
# This should be sent even with auto_reply_enabled=False
await channel.send(
OutboundMessage(
channel="email",
chat_id="bob@example.com",
content="Hello, this is a proactive email.",
)
)
assert len(fake_instances) == 1
assert len(fake_instances[0].sent_messages) == 1
sent = fake_instances[0].sent_messages[0]
assert sent["To"] == "bob@example.com"
@pytest.mark.asyncio
async def test_send_skips_when_consent_not_granted(monkeypatch) -> None:
class FakeSMTP:

44
tests/test_heartbeat_service.py Normal file
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@@ -0,0 +1,44 @@
import asyncio
import pytest
from nanobot.heartbeat.service import (
HEARTBEAT_OK_TOKEN,
HeartbeatService,
)
def test_heartbeat_ok_detection() -> None:
def is_ok(response: str) -> bool:
return HEARTBEAT_OK_TOKEN in response.upper()
assert is_ok("HEARTBEAT_OK")
assert is_ok("`HEARTBEAT_OK`")
assert is_ok("**HEARTBEAT_OK**")
assert is_ok("heartbeat_ok")
assert is_ok("HEARTBEAT_OK.")
assert not is_ok("HEARTBEAT_NOT_OK")
assert not is_ok("all good")
@pytest.mark.asyncio
async def test_start_is_idempotent(tmp_path) -> None:
async def _on_heartbeat(_: str) -> str:
return "HEARTBEAT_OK"
service = HeartbeatService(
workspace=tmp_path,
on_heartbeat=_on_heartbeat,
interval_s=9999,
enabled=True,
)
await service.start()
first_task = service._task
await service.start()
assert service._task is first_task
service.stop()
await asyncio.sleep(0)

147
tests/test_memory_consolidation_types.py Normal file
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@@ -0,0 +1,147 @@
"""Test MemoryStore.consolidate() handles non-string tool call arguments.
Regression test for https://github.com/HKUDS/nanobot/issues/1042
When memory consolidation receives dict values instead of strings from the LLM
tool call response, it should serialize them to JSON instead of raising TypeError.
"""
import json
from pathlib import Path
from unittest.mock import AsyncMock, MagicMock
import pytest
from nanobot.agent.memory import MemoryStore
from nanobot.providers.base import LLMResponse, ToolCallRequest
def _make_session(message_count: int = 30, memory_window: int = 50):
"""Create a mock session with messages."""
session = MagicMock()
session.messages = [
{"role": "user", "content": f"msg{i}", "timestamp": "2026-01-01 00:00"}
for i in range(message_count)
]
session.last_consolidated = 0
return session
def _make_tool_response(history_entry, memory_update):
"""Create an LLMResponse with a save_memory tool call."""
return LLMResponse(
content=None,
tool_calls=[
ToolCallRequest(
id="call_1",
name="save_memory",
arguments={
"history_entry": history_entry,
"memory_update": memory_update,
},
)
],
)
class TestMemoryConsolidationTypeHandling:
"""Test that consolidation handles various argument types correctly."""
@pytest.mark.asyncio
async def test_string_arguments_work(self, tmp_path: Path) -> None:
"""Normal case: LLM returns string arguments."""
store = MemoryStore(tmp_path)
provider = AsyncMock()
provider.chat = AsyncMock(
return_value=_make_tool_response(
history_entry="[2026-01-01] User discussed testing.",
memory_update="# Memory\nUser likes testing.",
)
)
session = _make_session(message_count=60)
result = await store.consolidate(session, provider, "test-model", memory_window=50)
assert result is True
assert store.history_file.exists()
assert "[2026-01-01] User discussed testing." in store.history_file.read_text()
assert "User likes testing." in store.memory_file.read_text()
@pytest.mark.asyncio
async def test_dict_arguments_serialized_to_json(self, tmp_path: Path) -> None:
"""Issue #1042: LLM returns dict instead of string — must not raise TypeError."""
store = MemoryStore(tmp_path)
provider = AsyncMock()
provider.chat = AsyncMock(
return_value=_make_tool_response(
history_entry={"timestamp": "2026-01-01", "summary": "User discussed testing."},
memory_update={"facts": ["User likes testing"], "topics": ["testing"]},
)
)
session = _make_session(message_count=60)
result = await store.consolidate(session, provider, "test-model", memory_window=50)
assert result is True
assert store.history_file.exists()
history_content = store.history_file.read_text()
parsed = json.loads(history_content.strip())
assert parsed["summary"] == "User discussed testing."
memory_content = store.memory_file.read_text()
parsed_mem = json.loads(memory_content)
assert "User likes testing" in parsed_mem["facts"]
@pytest.mark.asyncio
async def test_string_arguments_as_raw_json(self, tmp_path: Path) -> None:
"""Some providers return arguments as a JSON string instead of parsed dict."""
store = MemoryStore(tmp_path)
provider = AsyncMock()
# Simulate arguments being a JSON string (not yet parsed)
response = LLMResponse(
content=None,
tool_calls=[
ToolCallRequest(
id="call_1",
name="save_memory",
arguments=json.dumps({
"history_entry": "[2026-01-01] User discussed testing.",
"memory_update": "# Memory\nUser likes testing.",
}),
)
],
)
provider.chat = AsyncMock(return_value=response)
session = _make_session(message_count=60)
result = await store.consolidate(session, provider, "test-model", memory_window=50)
assert result is True
assert "User discussed testing." in store.history_file.read_text()
@pytest.mark.asyncio
async def test_no_tool_call_returns_false(self, tmp_path: Path) -> None:
"""When LLM doesn't use the save_memory tool, return False."""
store = MemoryStore(tmp_path)
provider = AsyncMock()
provider.chat = AsyncMock(
return_value=LLMResponse(content="I summarized the conversation.", tool_calls=[])
)
session = _make_session(message_count=60)
result = await store.consolidate(session, provider, "test-model", memory_window=50)
assert result is False
assert not store.history_file.exists()
@pytest.mark.asyncio
async def test_skips_when_few_messages(self, tmp_path: Path) -> None:
"""Consolidation should be a no-op when messages < keep_count."""
store = MemoryStore(tmp_path)
provider = AsyncMock()
session = _make_session(message_count=10)
result = await store.consolidate(session, provider, "test-model", memory_window=50)
assert result is True
provider.chat.assert_not_called()

167
tests/test_task_cancel.py Normal file
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"""Tests for /stop task cancellation."""
from __future__ import annotations
import asyncio
from unittest.mock import AsyncMock, MagicMock, patch
import pytest
def _make_loop():
"""Create a minimal AgentLoop with mocked dependencies."""
from nanobot.agent.loop import AgentLoop
from nanobot.bus.queue import MessageBus
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
workspace = MagicMock()
workspace.__truediv__ = MagicMock(return_value=MagicMock())
with patch("nanobot.agent.loop.ContextBuilder"), \
patch("nanobot.agent.loop.SessionManager"), \
patch("nanobot.agent.loop.SubagentManager") as MockSubMgr:
MockSubMgr.return_value.cancel_by_session = AsyncMock(return_value=0)
loop = AgentLoop(bus=bus, provider=provider, workspace=workspace)
return loop, bus
class TestHandleStop:
@pytest.mark.asyncio
async def test_stop_no_active_task(self):
from nanobot.bus.events import InboundMessage
loop, bus = _make_loop()
msg = InboundMessage(channel="test", sender_id="u1", chat_id="c1", content="/stop")
await loop._handle_stop(msg)
out = await asyncio.wait_for(bus.consume_outbound(), timeout=1.0)
assert "No active task" in out.content
@pytest.mark.asyncio
async def test_stop_cancels_active_task(self):
from nanobot.bus.events import InboundMessage
loop, bus = _make_loop()
cancelled = asyncio.Event()
async def slow_task():
try:
await asyncio.sleep(60)
except asyncio.CancelledError:
cancelled.set()
raise
task = asyncio.create_task(slow_task())
await asyncio.sleep(0)
loop._active_tasks["test:c1"] = [task]
msg = InboundMessage(channel="test", sender_id="u1", chat_id="c1", content="/stop")
await loop._handle_stop(msg)
assert cancelled.is_set()
out = await asyncio.wait_for(bus.consume_outbound(), timeout=1.0)
assert "stopped" in out.content.lower()
@pytest.mark.asyncio
async def test_stop_cancels_multiple_tasks(self):
from nanobot.bus.events import InboundMessage
loop, bus = _make_loop()
events = [asyncio.Event(), asyncio.Event()]
async def slow(idx):
try:
await asyncio.sleep(60)
except asyncio.CancelledError:
events[idx].set()
raise
tasks = [asyncio.create_task(slow(i)) for i in range(2)]
await asyncio.sleep(0)
loop._active_tasks["test:c1"] = tasks
msg = InboundMessage(channel="test", sender_id="u1", chat_id="c1", content="/stop")
await loop._handle_stop(msg)
assert all(e.is_set() for e in events)
out = await asyncio.wait_for(bus.consume_outbound(), timeout=1.0)
assert "2 task" in out.content
class TestDispatch:
@pytest.mark.asyncio
async def test_dispatch_processes_and_publishes(self):
from nanobot.bus.events import InboundMessage, OutboundMessage
loop, bus = _make_loop()
msg = InboundMessage(channel="test", sender_id="u1", chat_id="c1", content="hello")
loop._process_message = AsyncMock(
return_value=OutboundMessage(channel="test", chat_id="c1", content="hi")
)
await loop._dispatch(msg)
out = await asyncio.wait_for(bus.consume_outbound(), timeout=1.0)
assert out.content == "hi"
@pytest.mark.asyncio
async def test_processing_lock_serializes(self):
from nanobot.bus.events import InboundMessage, OutboundMessage
loop, bus = _make_loop()
order = []
async def mock_process(m, **kwargs):
order.append(f"start-{m.content}")
await asyncio.sleep(0.05)
order.append(f"end-{m.content}")
return OutboundMessage(channel="test", chat_id="c1", content=m.content)
loop._process_message = mock_process
msg1 = InboundMessage(channel="test", sender_id="u1", chat_id="c1", content="a")
msg2 = InboundMessage(channel="test", sender_id="u1", chat_id="c1", content="b")
t1 = asyncio.create_task(loop._dispatch(msg1))
t2 = asyncio.create_task(loop._dispatch(msg2))
await asyncio.gather(t1, t2)
assert order == ["start-a", "end-a", "start-b", "end-b"]
class TestSubagentCancellation:
@pytest.mark.asyncio
async def test_cancel_by_session(self):
from nanobot.agent.subagent import SubagentManager
from nanobot.bus.queue import MessageBus
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
mgr = SubagentManager(provider=provider, workspace=MagicMock(), bus=bus)
cancelled = asyncio.Event()
async def slow():
try:
await asyncio.sleep(60)
except asyncio.CancelledError:
cancelled.set()
raise
task = asyncio.create_task(slow())
await asyncio.sleep(0)
mgr._running_tasks["sub-1"] = task
mgr._session_tasks["test:c1"] = {"sub-1"}
count = await mgr.cancel_by_session("test:c1")
assert count == 1
assert cancelled.is_set()
@pytest.mark.asyncio
async def test_cancel_by_session_no_tasks(self):
from nanobot.agent.subagent import SubagentManager
from nanobot.bus.queue import MessageBus
bus = MessageBus()
provider = MagicMock()
provider.get_default_model.return_value = "test-model"
mgr = SubagentManager(provider=provider, workspace=MagicMock(), bus=bus)
assert await mgr.cancel_by_session("nonexistent") == 0

51
workspace/AGENTS.md
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@@ -1,51 +0,0 @@
# Agent Instructions
You are a helpful AI assistant. Be concise, accurate, and friendly.
## Guidelines
- Always explain what you're doing before taking actions
- Ask for clarification when the request is ambiguous
- Use tools to help accomplish tasks
- Remember important information in your memory files
## Tools Available
You have access to:
- File operations (read, write, edit, list)
- Shell commands (exec)
- Web access (search, fetch)
- Messaging (message)
- Background tasks (spawn)
## Memory
- `memory/MEMORY.md` — long-term facts (preferences, context, relationships)
- `memory/HISTORY.md` — append-only event log, search with grep to recall past events
## Scheduled Reminders
When user asks for a reminder at a specific time, use `exec` to run:
```
nanobot cron add --name "reminder" --message "Your message" --at "YYYY-MM-DDTHH:MM:SS" --deliver --to "USER_ID" --channel "CHANNEL"
```
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 every 30 minutes. You can manage periodic tasks by editing this file:
- **Add a task**: Use `edit_file` to append new tasks to `HEARTBEAT.md`
- **Remove a task**: Use `edit_file` to remove completed or obsolete tasks
- **Rewrite tasks**: Use `write_file` to completely rewrite the task list
Task format examples:
```
- [ ] Check calendar and remind of upcoming events
- [ ] Scan inbox for urgent emails
- [ ] Check weather forecast for today
```
When the user asks you to add a recurring/periodic task, update `HEARTBEAT.md` instead of creating a one-time reminder. Keep the file small to minimize token usage.

150
workspace/TOOLS.md
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@@ -1,150 +0,0 @@
# Available Tools
This document describes the tools available to nanobot.
## File Operations
### read_file
Read the contents of a file.
```
read_file(path: str) -> str
```
### write_file
Write content to a file (creates parent directories if needed).
```
write_file(path: str, content: str) -> str
```
### edit_file
Edit a file by replacing specific text.
```
edit_file(path: str, old_text: str, new_text: str) -> str
```
### list_dir
List contents of a directory.
```
list_dir(path: str) -> str
```
## Shell Execution
### exec
Execute a shell command and return output.
```
exec(command: str, working_dir: str = None) -> str
```
**Safety Notes:**
- Commands have a configurable timeout (default 60s)
- Dangerous commands are blocked (rm -rf, format, dd, shutdown, etc.)
- Output is truncated at 10,000 characters
- Optional `restrictToWorkspace` config to limit paths
## Web Access
### web_search
Search the web using Brave Search API.
```
web_search(query: str, count: int = 5) -> str
```
Returns search results with titles, URLs, and snippets. Requires `tools.web.search.apiKey` in config.
### web_fetch
Fetch and extract main content from a URL.
```
web_fetch(url: str, extractMode: str = "markdown", maxChars: int = 50000) -> str
```
**Notes:**
- Content is extracted using readability
- Supports markdown or plain text extraction
- Output is truncated at 50,000 characters by default
## Communication
### message
Send a message to the user (used internally).
```
message(content: str, channel: str = None, chat_id: str = None) -> str
```
## Background Tasks
### spawn
Spawn a subagent to handle a task in the background.
```
spawn(task: str, label: str = None) -> str
```
Use for complex or time-consuming tasks that can run independently. The subagent will complete the task and report back when done.
## Scheduled Reminders (Cron)
Use the `exec` tool to create scheduled reminders with `nanobot cron add`:
### Set a recurring reminder
```bash
# Every day at 9am
nanobot cron add --name "morning" --message "Good morning! ☀️" --cron "0 9 * * *"
# Every 2 hours
nanobot cron add --name "water" --message "Drink water! 💧" --every 7200
```
### Set a one-time reminder
```bash
# At a specific time (ISO format)
nanobot cron add --name "meeting" --message "Meeting starts now!" --at "2025-01-31T15:00:00"
```
### Manage reminders
```bash
nanobot cron list # List all jobs
nanobot cron remove <job_id> # Remove a job
```
## Heartbeat Task Management
The `HEARTBEAT.md` file in the workspace is checked every 30 minutes.
Use file operations to manage periodic tasks:
### Add a heartbeat task
```python
# Append a new task
edit_file(
path="HEARTBEAT.md",
old_text="## Example Tasks",
new_text="- [ ] New periodic task here\n\n## Example Tasks"
)
```
### Remove a heartbeat task
```python
# Remove a specific task
edit_file(
path="HEARTBEAT.md",
old_text="- [ ] Task to remove\n",
new_text=""
)
```
### Rewrite all tasks
```python
# Replace the entire file
write_file(
path="HEARTBEAT.md",
content="# Heartbeat Tasks\n\n- [ ] Task 1\n- [ ] Task 2\n"
)
```
---
## Adding Custom Tools
To add custom tools:
1. Create a class that extends `Tool` in `nanobot/agent/tools/`
2. Implement `name`, `description`, `parameters`, and `execute`
3. Register it in `AgentLoop._register_default_tools()`