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Issue 24315: Make collections.abc.Coroutine derived from Awaitable

Browse source 
(Merge 3.5)
This commit is contained in:
Yury Selivanov 2015-05-29 09:01:47 -04:00
commit a24fcfdf23
4 changed files with 67 additions and 40 deletions
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14
Lib/test/test_asyncio/test_pep492.py
View file

@ -97,18 +97,14 @@ class CoroutineTests(BaseTest):
finally:
f.close() # silence warning
class FakeCoro(collections.abc.Coroutine):
# Test that asyncio.iscoroutine() uses collections.abc.Coroutine
class FakeCoro:
def send(self, value): pass
def throw(self, typ, val=None, tb=None): pass
def close(self): pass
def __await__(self): yield
fc = FakeCoro()
try:
self.assertTrue(asyncio.iscoroutine(fc))
finally:
# To make sure that ABCMeta caches are freed
# from FakeCoro ASAP.
fc = FakeCoro = None
support.gc_collect()
self.assertTrue(asyncio.iscoroutine(FakeCoro()))
if __name__ == '__main__':

34
Lib/test/test_collections.py
View file

@ -496,6 +496,8 @@ class TestOneTrickPonyABCs(ABCTestCase):
return value
def throw(self, typ, val=None, tb=None):
super().throw(typ, val, tb)
def __await__(self):
yield
non_samples = [None, int(), gen(), object()]
for x in non_samples:
@ -515,13 +517,7 @@ class TestOneTrickPonyABCs(ABCTestCase):
self.assertIsInstance(c, Awaitable)
c.close() # awoid RuntimeWarning that coro() was not awaited
class CoroLike:
def send(self, value):
pass
def throw(self, typ, val=None, tb=None):
pass
def close(self):
pass
class CoroLike: pass
Coroutine.register(CoroLike)
self.assertTrue(isinstance(CoroLike(), Awaitable))
self.assertTrue(issubclass(CoroLike, Awaitable))
@ -548,6 +544,8 @@ class TestOneTrickPonyABCs(ABCTestCase):
return value
def throw(self, typ, val=None, tb=None):
super().throw(typ, val, tb)
def __await__(self):
yield
non_samples = [None, int(), gen(), object(), Bar()]
for x in non_samples:
@ -567,6 +565,28 @@ class TestOneTrickPonyABCs(ABCTestCase):
self.assertIsInstance(c, Coroutine)
c.close() # awoid RuntimeWarning that coro() was not awaited
class CoroLike:
def send(self, value):
pass
def throw(self, typ, val=None, tb=None):
pass
def close(self):
pass
def __await__(self):
pass
self.assertTrue(isinstance(CoroLike(), Coroutine))
self.assertTrue(issubclass(CoroLike, Coroutine))
class CoroLike:
def send(self, value):
pass
def close(self):
pass
def __await__(self):
pass
self.assertFalse(isinstance(CoroLike(), Coroutine))
self.assertFalse(issubclass(CoroLike, Coroutine))
def test_Hashable(self):
# Check some non-hashables
non_samples = [bytearray(), list(), set(), dict()]