From e39bbaa9be85e57020be9735051e5f8044f53ed1 Mon Sep 17 00:00:00 2001 From: Paul Date: Fri, 20 Feb 2026 09:54:21 +0000 Subject: [PATCH] feat(slack): add media file upload support Use files_upload_v2 API to upload media attachments in Slack messages. This enables the message tool's media parameter to work correctly when sending images or other files through the Slack channel. Requires files:write OAuth scope. --- nanobot/channels/slack.py | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/nanobot/channels/slack.py b/nanobot/channels/slack.py index dca5055..d29f1e1 100644 --- a/nanobot/channels/slack.py +++ b/nanobot/channels/slack.py @@ -84,11 +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 + + # Send text message if content is present + if msg.content: + await self._web_client.chat_postMessage( + channel=msg.chat_id, + text=self._to_mrkdwn(msg.content), + thread_ts=thread_ts_param, + ) + + # Upload media files if present + 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(f"Failed to upload file {media_path}: {e}") except Exception as e: logger.error(f"Error sending Slack message: {e}")