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fix(feishu): harden fenced post row splitting

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kshitijk4poor 2026-04-19 15:40:53 +05:30 • committed by kshitij
parent cc59d133dc
commit a9debf10ff
2 changed files with 68 additions and 21 deletions
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47
gateway/platforms/feishu.py
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@ -119,6 +119,8 @@ _MARKDOWN_HINT_RE = re.compile(
re.MULTILINE,
)
_MARKDOWN_LINK_RE = re.compile(r"\[([^\]]+)\]\(([^)]+)\)")
_MARKDOWN_FENCE_OPEN_RE = re.compile(r"^```([^\n`]*)\s*$")
_MARKDOWN_FENCE_CLOSE_RE = re.compile(r"^```\s*$")
_MENTION_RE = re.compile(r"@_user_\d+")
_MULTISPACE_RE = re.compile(r"[ \t]{2,}")
_POST_CONTENT_INVALID_RE = re.compile(r"content format of the post type is incorrect", re.IGNORECASE)
@ -445,9 +447,9 @@ def _build_markdown_post_rows(content: str) -> List[List[Dict[str, str]]]:
"""Build Feishu post rows while isolating fenced code blocks.
Feishu's `md` renderer can swallow trailing content when a fenced code block
appears inside one large markdown element. Splitting the reply at code
fences preserves the surrounding markdown while keeping the code block in a
dedicated row.
appears inside one large markdown element. Split the reply at real fence
lines so prose before/after the code block remains visible while code stays
in a dedicated row.
"""
if not content:
return [[{"tag": "md", "text": ""}]]
@ -458,32 +460,35 @@ def _build_markdown_post_rows(content: str) -> List[List[Dict[str, str]]]:
current: List[str] = []
in_code_block = False
def _flush_current() -> None:
nonlocal current
if not current:
return
segment = "\n".join(current)
if segment.strip():
rows.append([{"tag": "md", "text": segment}])
current = []
for raw_line in content.splitlines():
line = raw_line.rstrip()
is_fence = line.strip().startswith("```")
stripped_line = raw_line.strip()
is_fence = bool(
_MARKDOWN_FENCE_CLOSE_RE.match(stripped_line)
if in_code_block
else _MARKDOWN_FENCE_OPEN_RE.match(stripped_line)
)
if is_fence:
if not in_code_block and current:
segment = "\n".join(current).strip()
if segment:
rows.append([{"tag": "md", "text": segment}])
current = []
current.append(line)
if not in_code_block:
_flush_current()
current.append(raw_line)
in_code_block = not in_code_block
if not in_code_block:
segment = "\n".join(current).strip()
if segment:
rows.append([{"tag": "md", "text": segment}])
current = []
_flush_current()
continue
current.append(line)
if current:
segment = "\n".join(current).strip()
if segment:
rows.append([{"tag": "md", "text": segment}])
current.append(raw_line)
_flush_current()
return rows or [[{"tag": "md", "text": content}]]