Method copy

Lib/test/test_operator.py:674–678

(self, obj, proto)

@support.thread_unsafe("swaps global operator module")
class OperatorPickleTestCase:
    def copy(self, obj, proto):
        with support.swap_item(sys.modules, 'operator', self.module):
            pickled = pickle.dumps(obj, proto)
        with support.swap_item(sys.modules, 'operator', self.module2):
            return pickle.loads(pickled)

    def test_attrgetter(self):
        attrgetter = self.module.attrgetter