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(Merge 3.4) asyncio: Fix BaseEventLoop._assert_is_current_event_loop():

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get_event_loop() raises an exception if there is no current loop
This commit is contained in:
Victor Stinner 2014-06-23 15:14:50 +02:00
commit 289cae4f92
1 changed files with 5 additions and 2 deletions
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7
Lib/asyncio/base_events.py
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@ -332,8 +332,11 @@ class BaseEventLoop(events.AbstractEventLoop):
Should only be called when (self._debug == True). The caller is
responsible for checking this condition for performance reasons.
"""
current = events.get_event_loop()
if current is not None and current is not self:
try:
current = events.get_event_loop()
except AssertionError:
return
if current is not self:
raise RuntimeError(
"non-threadsafe operation invoked on an event loop other "
"than the current one")