Function replaced_module

Lib/test/test_functools.py:41–47

(name, replacement)

@contextlib.contextmanager
def replaced_module(name, replacement):
    original_module = sys.modules[name]
    sys.modules[name] = replacement
    try:
        yield
    finally:
        sys.modules[name] = original_module

def capture(*args, **kw):
    """capture all positional and keyword arguments"""