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Docs and one small improvement for issue #25304, by Vincent Michel.

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This commit is contained in:
Guido van Rossum 2015-10-05 16:20:00 -07:00
parent b9bf913ab3
commit 601953b679
4 changed files with 75 additions and 4 deletions
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7
Lib/asyncio/tasks.py
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@ -704,7 +704,12 @@ def run_coroutine_threadsafe(coro, loop):
future = concurrent.futures.Future()
def callback():
futures._chain_future(ensure_future(coro, loop=loop), future)
try:
futures._chain_future(ensure_future(coro, loop=loop), future)
except Exception as exc:
if future.set_running_or_notify_cancel():
future.set_exception(exc)
raise
loop.call_soon_threadsafe(callback)
return future