asyncio: sync with Tulip
* _UnixSubprocessTransport: fix file mode of stdin. Open stdin in write mode, not in read mode * Examples: close the event loop at exit * More reliable CoroWrapper.__del__. If the constructor is interrupted by KeyboardInterrupt or the coroutine objet is destroyed lately, some the _source_traceback attribute doesn't exist anymore. * repr(Task): include also the future the task is waiting for
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@ -111,12 +111,14 @@ class CoroWrapper:
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frame = getattr(gen, 'gi_frame', None)
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if frame is not None and frame.f_lasti == -1:
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func = events._format_callback(self.func, ())
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tb = ''.join(traceback.format_list(self._source_traceback))
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message = ('Coroutine %s was never yielded from\n'
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'Coroutine object created at (most recent call last):\n'
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'%s'
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% (func, tb.rstrip()))
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logger.error(message)
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msg = 'Coroutine %s was never yielded from' % func
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tb = getattr(self, '_source_traceback', ())
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if tb:
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tb = ''.join(traceback.format_list(tb))
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msg += ('\nCoroutine object created at '
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'(most recent call last):\n')
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msg += tb.rstrip()
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logger.error(msg)
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def coroutine(func):
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@ -109,6 +109,9 @@ class Task(futures.Future):
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if self._callbacks:
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info.append(self._format_callbacks())
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if self._fut_waiter is not None:
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info.append('wait_for=%r' % self._fut_waiter)
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return '<%s %s>' % (self.__class__.__name__, ' '.join(info))
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def get_stack(self, *, limit=None):
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@ -494,7 +494,7 @@ class _UnixSubprocessTransport(base_subprocess.BaseSubprocessTransport):
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universal_newlines=False, bufsize=bufsize, **kwargs)
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if stdin_w is not None:
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stdin.close()
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self._proc.stdin = open(stdin_w.detach(), 'rb', buffering=bufsize)
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self._proc.stdin = open(stdin_w.detach(), 'wb', buffering=bufsize)
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class AbstractChildWatcher:
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@ -218,6 +218,17 @@ class TaskTests(test_utils.TestCase):
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'<Task pending %s cb=[<Dummy>()]>' % coro)
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self.loop.run_until_complete(t)
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def test_task_repr_wait_for(self):
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@asyncio.coroutine
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def wait_for(fut):
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return (yield from fut)
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fut = asyncio.Future(loop=self.loop)
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task = asyncio.Task(wait_for(fut), loop=self.loop)
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test_utils.run_briefly(self.loop)
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self.assertRegex(repr(task),
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'<Task .* wait_for=%s>' % re.escape(repr(fut)))
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def test_task_basics(self):
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@asyncio.coroutine
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def outer():
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