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fix(telegram): hard-cut when fence body cut lands on the prefix

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A leading space in the fenced body made the soft cut land at min_code_pos
and re-emit the same fence forever. Require progress past the fence line.
This commit is contained in:
santhreal 2026-07-22 23:03:59 -07:00 committed by chengyongru
parent 98d661775e
commit 7e9426d9bd
2 changed files with 19 additions and 2 deletions
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8
nanobot/channels/telegram/runtime.py
View File

@ -102,7 +102,7 @@ def _split_telegram_markdown(content: str, max_len: int) -> list[str]:
adjusted = recut.rfind("\n", min_code_pos) adjusted = recut.rfind("\n", min_code_pos)
if adjusted < min_code_pos: if adjusted < min_code_pos:
adjusted = recut.rfind(" ", min_code_pos) adjusted = recut.rfind(" ", min_code_pos)
pos = adjusted if adjusted >= min_code_pos else budget pos = adjusted if adjusted > min_code_pos else budget
elif pos + len(closing) > max_len: elif pos + len(closing) > max_len:
budget = max_len - len(closing) budget = max_len - len(closing)
if budget <= min_code_pos: if budget <= min_code_pos:
@ -113,7 +113,11 @@ def _split_telegram_markdown(content: str, max_len: int) -> list[str]:
adjusted = recut.rfind("\n", min_code_pos) adjusted = recut.rfind("\n", min_code_pos)
if adjusted < min_code_pos: if adjusted < min_code_pos:
adjusted = recut.rfind(" ", min_code_pos) adjusted = recut.rfind(" ", min_code_pos)
pos = adjusted if adjusted >= min_code_pos else budget pos = adjusted if adjusted > min_code_pos else budget
if pos <= min_code_pos:
chunks.append(content[:max_len])
content = content[max_len:].lstrip()
continue
chunks.append(content[:pos] + closing) chunks.append(content[:pos] + closing)
remainder = content[pos:] remainder = content[pos:]
if remainder.startswith("\n"): if remainder.startswith("\n"):

13
nanobot/channels/telegram/tests/test_telegram_channel.py
View File

@ -293,6 +293,19 @@ def test_split_telegram_markdown_tiny_limit_with_early_body_newline() -> None:
assert plain.count("a") >= 100 assert plain.count("a") >= 100
def test_split_telegram_markdown_leading_space_in_fence_body() -> None:
body = "a" * 4500
content = f"```\n {body}"
chunks = _split_telegram_markdown(content, TELEGRAM_MAX_MESSAGE_LEN)
assert chunks
assert all(len(chunk) <= TELEGRAM_MAX_MESSAGE_LEN for chunk in chunks)
plain = "".join(chunks).replace("```", "").replace("\n", "")
assert plain.count("a") == 4500
@pytest.mark.asyncio @pytest.mark.asyncio
async def test_start_creates_separate_pools_with_proxy(monkeypatch) -> None: async def test_start_creates_separate_pools_with_proxy(monkeypatch) -> None: