Function method

tools/python-3.11.9-amd64/Lib/unittest/mock.py:1991–1992

(self, /, *args, **kw)

def _get_method(name, func):
    "Turns a callable object (like a mock) into a real function"
    def method(self, /, *args, **kw):
        return func(self, *args, **kw)
    method.__name__ = name
    return method