Function run_async__await__

Lib/test/test_coroutines.py:56–72

(coro)

def run_async__await__(coro):
    assert coro.__class__ is types.CoroutineType
    aw = coro.__await__()
    buffer = []
    result = None
    i = 0
    while True:
        try:
            if i % 2:
                buffer.append(next(aw))
            else:
                buffer.append(aw.send(None))
            i += 1
        except StopIteration as ex:
            result = ex.args[0] if ex.args else None
            break
    return buffer, result


@contextlib.contextmanager