Class MyRepr

Lib/test/test_reprlib.py:626–631

    def test_custom_repr(self):
        class MyRepr(Repr):

            def repr_TextIOWrapper(self, obj, level):
                if obj.name in {'<stdin>', '<stdout>', '<stderr>'}:
                    return obj.name
                return repr(obj)

        aRepr = MyRepr()
        self.assertEqual(aRepr.repr(sys.stdin), "<stdin>")