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feat(feishu): Add rich text message content extraction feature

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Newly added the _extract_post_text function to extract plain text content from Feishu rich text messages, supporting the parsing of titles, text, links, and @mentions.
This commit is contained in:
Ahwei 2026-02-14 12:14:31 +08:00
parent f821e95d3c
commit 4e4eb21d23
1 changed files with 35 additions and 0 deletions
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35
nanobot/channels/feishu.py
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@ -39,6 +39,35 @@ MSG_TYPE_MAP = {
}
def _extract_post_text(content_json: dict) -> str:
"""Extract plain text from Feishu post (rich text) message content."""
for lang_key in ("zh_cn", "en_us", "ja_jp"):
lang_content = content_json.get(lang_key)
if not isinstance(lang_content, dict):
continue
title = lang_content.get("title", "")
content_blocks = lang_content.get("content", [])
if not isinstance(content_blocks, list):
continue
text_parts = []
if title:
text_parts.append(title)
for block in content_blocks:
if not isinstance(block, list):
continue
for element in block:
if isinstance(element, dict):
tag = element.get("tag")
if tag == "text":
text_parts.append(element.get("text", ""))
elif tag == "a":
text_parts.append(element.get("text", ""))
elif tag == "at":
text_parts.append(f"@{element.get('user_name', 'user')}")
return " ".join(text_parts).strip()
return ""
class FeishuChannel(BaseChannel):
"""
Feishu/Lark channel using WebSocket long connection.
@ -326,6 +355,12 @@ class FeishuChannel(BaseChannel):
content = json.loads(message.content).get("text", "")
except json.JSONDecodeError:
content = message.content or ""
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 ""
else:
content = MSG_TYPE_MAP.get(msg_type, f"[{msg_type}]")