Function run_async

Lib/test/test_coroutines.py:42–53

(coro)

def run_async(coro):
    assert coro.__class__ in {types.GeneratorType, types.CoroutineType}

    buffer = []
    result = None
    while True:
        try:
            buffer.append(coro.send(None))
        except StopIteration as ex:
            result = ex.args[0] if ex.args else None
            break
    return buffer, result


def run_async__await__(coro):