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Md stream fix #5984

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Merged
willmcgugan merged 2 commits into from
Jul 24, 2025
Merged

Md stream fix #5984

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312e5bc
Stream fix
willmcgugan Jul 24, 2025
7b9310a
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willmcgugan Jul 24, 2025
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10 changes: 7 additions & 3 deletions src/textual/widgets/_markdown.py
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Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,8 @@ async def write(self, markdown_fragment: str) -> None:
# Append the new fragment, and set an event to tell the _run loop to wake up
self._pending.append(markdown_fragment)
self._new_markup.set()
# Allow the task to wake up and actually display the new markdown
await asyncio.sleep(0)

async def _run(self) -> None:
"""Run a task to append markdown fragments when available."""
Expand All @@ -99,9 +101,11 @@ async def _run(self) -> None:
await asyncio.shield(self.markdown_widget.append(new_markdown))
except asyncio.CancelledError:
# Task has been cancelled, add any outstanding markdown
new_markdown = "".join(self._pending)
if new_markdown:
await self.markdown_widget.append(new_markdown)
pass

new_markdown = "".join(self._pending)
if new_markdown:
await self.markdown_widget.append(new_markdown)


class Navigator:
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