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Add asyncio.get_running_loop() function. (#4782)

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Yury Selivanov 2017-12-11 10:07:44 -05:00 • committed by GitHub
parent 3e9751819a
commit abae67ebc2
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4 changed files with 27 additions and 1 deletions
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14
Lib/asyncio/events.py
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@ -7,7 +7,8 @@ __all__ = (
'get_event_loop_policy', 'set_event_loop_policy',
'get_event_loop', 'set_event_loop', 'new_event_loop',
'get_child_watcher', 'set_child_watcher',
'_set_running_loop', '_get_running_loop',
'_set_running_loop', 'get_running_loop',
'_get_running_loop',
)
import functools
@ -646,6 +647,17 @@ class _RunningLoop(threading.local):
_running_loop = _RunningLoop()
def get_running_loop():
"""Return the running event loop. Raise a RuntimeError if there is none.
This function is thread-specific.
"""
loop = _get_running_loop()
if loop is None:
raise RuntimeError('no running event loop')
return loop
def _get_running_loop():
"""Return the running event loop or None.