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Author SHA1 Message Date
Victor Stinner 313a980904 asyncio: sync with Tulip 
* _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
 2014-07-29 12:58:23 +02:00
Victor Stinner a9acbe82e7 Closes #21886, #21447: Fix a race condition in asyncio when setting the result 
of a Future with call_soon(). Add an helper, a private method, to set the
result only if the future was not cancelled.
 2014-07-05 15:29:41 +02:00
Victor Stinner 80f53aa9a0 asyncio, Tulip issue 137: In debug mode, save traceback where Future, Task and 
Handle objects are created. Pass the traceback to call_exception_handler() in
the 'source_traceback' key.

The traceback is truncated to hide internal calls in asyncio, show only the
traceback from user code.

Add tests for the new source_traceback, and a test for the 'Future/Task
exception was never retrieved' log.
 2014-06-27 13:52:20 +02:00
Victor Stinner 975735f729 asyncio, Tulip issue 177: Rewite repr() of Future, Task, Handle and TimerHandle 
- Uniformize repr() output to format "<Class ...>"
- On Python 3.5+, repr(Task) uses the qualified name instead of the short name
  of the coroutine
 2014-06-25 21:41:58 +02:00
Victor Stinner a02f81ff17 asyncio: Log an error if a Task is destroyed while it is still pending 2014-06-24 22:37:53 +02:00
Victor Stinner b4c9388947 asyncio: remove unused imports and unused variables noticed by pyflakes 2014-02-20 10:37:27 +01:00
Yury Selivanov 569efa2e4b asyncio: New error handling API. Issue #20681. 2014-02-18 18:02:19 -05:00
Victor Stinner 9572898282 asyncio: Future.set_exception(exc) should instantiate exc if it is a class. 2014-01-30 16:01:54 -08:00
Victor Stinner e40c078627 Issue #19967: Defer the formating of the traceback in asyncio.Future destructor 2013-12-21 00:19:33 +01:00
Guido van Rossum 9ba75db3c5 asyncio: Clean up formatting. 2013-12-19 13:49:32 -08:00
Victor Stinner 4c3c699e62 Close #19967: Thanks to the PEP 442, asyncio.Future can use a destructor in 
Python 3.4 to log "uncatched" exceptions, instead of the dedicated
_TracebackLogger class.
 2013-12-19 22:42:40 +01:00
Guido van Rossum 7a465647e4 asyncio: Pass cancellation from wrapping Future to wrapped Future. By Saúl Ibarra Corretgé (mostly). 2013-11-22 11:47:22 -08:00
Guido van Rossum fc29e0f37e Rename the logger to plain "logger". 2013-10-17 15:39:45 -07:00
Guido van Rossum 27b7c7ebf1 Initial checkin of asyncio package (== Tulip, == PEP 3156). 2013-10-17 13:40:50 -07:00