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How to use getnewargs method in autotest

Best Python code snippet using autotest_python

invalid_getnewargs_returned.py

...3import six4from missing import Missing5class FirstGoodGetNewArgs(object):6    """__getnewargs__ returns <type 'tuple'>"""7    def __getnewargs__(self):8        return (1, "2", 3)9class SecondGoodGetNewArgs(object):10    """__getnewargs__ returns <type 'tuple'>"""11    def __getnewargs__(self):12        return tuple()13class GetNewArgsMetaclass(type):14    def __getnewargs__(cls):15        return (1, 2, 3)16@six.add_metaclass(GetNewArgsMetaclass)17class ThirdGoodGetNewArgs(object):18    """GetNewArgs through the metaclass."""19class FirstBadGetNewArgs(object):20    """ __getnewargs__ returns an integer """21    def __getnewargs__(self):  # [invalid-getnewargs-returned]22        return 123class SecondBadGetNewArgs(object):24    """ __getnewargs__ returns str """25    def __getnewargs__(self):  # [invalid-getnewargs-returned]26        return "(1, 2, 3)"27class ThirdBadGetNewArgs(object):28    """ __getnewargs__ returns node which does not have 'value' in AST """29    def __getnewargs__(self):  # [invalid-getnewargs-returned]30        return lambda: tuple(1, 2)31class AmbigousGetNewArgs(object):32    """ Uninferable return value """33    __getnewargs__ = lambda self: Missing34class AnotherAmbiguousGetNewArgs(object):35    """Potential uninferable return value"""36    def __getnewargs__(self):...

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