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Issue #25593: Change semantics of EventLoop.stop().

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This commit is contained in:
Guido van Rossum 2015-11-19 13:28:47 -08:00
parent 01a65af4a1
commit 41f69f4cc7
6 changed files with 87 additions and 28 deletions
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11
Lib/asyncio/test_utils.py
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@ -71,12 +71,13 @@ def run_until(loop, pred, timeout=30):
def run_once(loop):
"""loop.stop() schedules _raise_stop_error()
and run_forever() runs until _raise_stop_error() callback.
this wont work if test waits for some IO events, because
_raise_stop_error() runs before any of io events callbacks.
"""Legacy API to run once through the event loop.
This is the recommended pattern for test code. It will poll the
selector once and run all callbacks scheduled in response to I/O
events.
"""
loop.stop()
loop.call_soon(loop.stop)
loop.run_forever()