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Issue #27041: asyncio: Add loop.create_future method

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This commit is contained in:
Yury Selivanov 2016-05-16 15:38:39 -04:00
parent 7ed7ce6ee7
commit 7661db6228
14 changed files with 55 additions and 39 deletions
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14
Lib/asyncio/tasks.py
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@ -373,7 +373,7 @@ def wait_for(fut, timeout, *, loop=None):
if timeout is None:
return (yield from fut)
waiter = futures.Future(loop=loop)
waiter = loop.create_future()
timeout_handle = loop.call_later(timeout, _release_waiter, waiter)
cb = functools.partial(_release_waiter, waiter)
@ -406,7 +406,7 @@ def _wait(fs, timeout, return_when, loop):
The fs argument must be a collection of Futures.
"""
assert fs, 'Set of Futures is empty.'
waiter = futures.Future(loop=loop)
waiter = loop.create_future()
timeout_handle = None
if timeout is not None:
timeout_handle = loop.call_later(timeout, _release_waiter, waiter)
@ -507,7 +507,9 @@ def sleep(delay, result=None, *, loop=None):
yield
return result
future = futures.Future(loop=loop)
if loop is None:
loop = events.get_event_loop()
future = loop.create_future()
h = future._loop.call_later(delay,
futures._set_result_unless_cancelled,
future, result)
@ -604,7 +606,9 @@ def gather(*coros_or_futures, loop=None, return_exceptions=False):
be cancelled.)
"""
if not coros_or_futures:
outer = futures.Future(loop=loop)
if loop is None:
loop = events.get_event_loop()
outer = loop.create_future()
outer.set_result([])
return outer
@ -692,7 +696,7 @@ def shield(arg, *, loop=None):
# Shortcut.
return inner
loop = inner._loop
outer = futures.Future(loop=loop)
outer = loop.create_future()
def _done_callback(inner):
if outer.cancelled():