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# cython: language_level=3
# mode: run
# tag: pep492, pure3.5, gh1462, async, await
async def test_coroutine_frame(awaitable):
"""
>>> class Awaitable(object):
... def __await__(self):
... return iter([2])
>>> coro = test_coroutine_frame(Awaitable())
>>> import types
>>> isinstance(coro.cr_frame, types.FrameType) or coro.cr_frame
True
>>> coro.cr_frame is coro.cr_frame # assert that it's cached
True
>>> coro.cr_frame.f_code is not None
True
>>> code_obj = coro.cr_frame.f_code
>>> code_obj.co_argcount
1
>>> code_obj.co_varnames
('awaitable', 'b')
>>> next(coro.__await__()) # avoid "not awaited" warning
2
"""
b = await awaitable
return b
# gh1462: Using decorators on coroutines.
def pass_through(func):
return func
@pass_through
async def test_pass_through():
"""
>>> t = test_pass_through()
>>> try: t.send(None)
... except StopIteration as ex:
... print(ex.args[0] if ex.args else None)
... else: print("NOT STOPPED!")
None
"""
@pass_through(pass_through)
async def test_pass_through_with_args():
"""
>>> t = test_pass_through_with_args()
>>> try: t.send(None)
... except StopIteration as ex:
... print(ex.args[0] if ex.args else None)
... else: print("NOT STOPPED!")
None
"""
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