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asyncio: sync with Tulip

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* _WaitHandleFuture.cancel() now notify IocpProactor through the overlapped
  object that the wait was cancelled.
* Optimize IocpProactor.wait_for_handle() gets the result if the wait is
  signaled immediatly.
* Enhance representation of Future and Future subclasses

  - Add "created at filename:lineno" in the representation
  - Add Future._repr_info() method which can be more easily overriden than
    Future.__repr__(). It should now be more easy to enhance Future
    representation without having to modify each subclass. For example,
    _OverlappedFuture and _WaitHandleFuture get the new "created at" information.
  - Use reprlib to format Future result, and function arguments when formatting a
    callback, to limit the length of the representation.

* Fix repr(_WaitHandleFuture)
* _WaitHandleFuture and _OverlappedFuture: hide frames of internal calls in the
  source traceback.
* Cleanup ProactorIocp._poll(): set the timeout to 0 after the first call to
  GetQueuedCompletionStatus()
* test_locks: close the temporary event loop and check the condition lock
* Remove workaround in test_futures, no more needed
This commit is contained in:
Victor Stinner 2014-07-29 12:58:23 +02:00
parent 7eca7343a0
commit 313a980904
7 changed files with 108 additions and 72 deletions
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6
Lib/test/test_asyncio/test_tasks.py
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@ -132,6 +132,8 @@ class TaskTests(test_utils.TestCase):
asyncio.async('ok')
def test_task_repr(self):
self.loop.set_debug(False)
@asyncio.coroutine
def notmuch():
yield from []
@ -189,6 +191,8 @@ class TaskTests(test_utils.TestCase):
"<Task finished %s result='abc'>" % coro)
def test_task_repr_coro_decorator(self):
self.loop.set_debug(False)
@asyncio.coroutine
def notmuch():
# notmuch() function doesn't use yield from: it will be wrapped by
@ -252,6 +256,8 @@ class TaskTests(test_utils.TestCase):
self.loop.run_until_complete(t)
def test_task_repr_wait_for(self):
self.loop.set_debug(False)
@asyncio.coroutine
def wait_for(fut):
return (yield from fut)