Function get_real_func

src/_pytest/compat.py:267–293

Get the real function object of the (possibly) wrapped object by functools.wraps or functools.partial.

(obj)

def get_real_func(obj):
    """Get the real function object of the (possibly) wrapped object by
    functools.wraps or functools.partial."""
    start_obj = obj
    for i in range(100):
        # __pytest_wrapped__ is set by @pytest.fixture when wrapping the fixture function
        # to trigger a warning if it gets called directly instead of by pytest: we don't
        # want to unwrap further than this otherwise we lose useful wrappings like @mock.patch (#3774)
        new_obj = getattr(obj, "__pytest_wrapped__", None)
        if isinstance(new_obj, _PytestWrapper):
            obj = new_obj.obj
            break
        new_obj = getattr(obj, "__wrapped__", None)
        if new_obj is None:
            break
        obj = new_obj
    else:
        from _pytest._io.saferepr import saferepr

        raise ValueError(
            ("could not find real function of {start}\nstopped at {current}").format(
                start=saferepr(start_obj), current=saferepr(obj)
            )
        )
    if isinstance(obj, functools.partial):
        obj = obj.func
    return obj


def get_real_method(obj, holder):