Class _AnyComparer

Lib/unittest/mock.py:1121–1134

A list which checks if it contains a call which may have an argument of ANY, flipping the components of item and self from their traditional locations so that ANY is guaranteed to be on the left.

class _AnyComparer(list):
    """A list which checks if it contains a call which may have an
    argument of ANY, flipping the components of item and self from
    their traditional locations so that ANY is guaranteed to be on
    the left."""
    def __contains__(self, item):
        for _call in self:
            assert len(item) == len(_call)
            if all([
                expected == actual
                for expected, actual in zip(item, _call)
            ]):
                return True
        return False


def _try_iter(obj):