@contextlib.contextmanager
def captured_output(stream_name):
    orig_stdout = getattr(sys, stream_name)
    setattr(sys, stream_name, StreamWrapper.from_stream(orig_stdout))
    try:
        yield getattr(sys, stream_name)
    finally:
        setattr(sys, stream_name, orig_stdout)
Return a context manager used by captured_stdout/stdin/stderr
dataset/ETHPy150Open anzev/hedwig/build/pip/pip/utils/__init__.py/captured_output