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asyncio: Support PEP 492. Issue #24017.

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This commit is contained in:
Yury Selivanov 2015-05-11 22:27:25 -04:00
parent d7e19bb566
commit 1af2bf75a2
6 changed files with 116 additions and 27 deletions
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8
Lib/asyncio/tasks.py
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@ -11,6 +11,7 @@ import functools
import inspect
import linecache
import sys
import types
import traceback
import warnings
import weakref
@ -73,7 +74,10 @@ class Task(futures.Future):
super().__init__(loop=loop)
if self._source_traceback:
del self._source_traceback[-1]
self._coro = iter(coro) # Use the iterator just in case.
if coro.__class__ is types.GeneratorType:
self._coro = coro
else:
self._coro = iter(coro) # Use the iterator just in case.
self._fut_waiter = None
self._must_cancel = False
self._loop.call_soon(self._step)
@ -236,7 +240,7 @@ class Task(futures.Future):
elif value is not None:
result = coro.send(value)
else:
result = next(coro)
result = coro.send(None)
except StopIteration as exc:
self.set_result(exc.value)
except futures.CancelledError as exc: