def __deepcopy__(self, memo):
        """Does not preserve _readonly attribute."""
        result = EquivalenceMap()
        result._parents = copy.deepcopy(self._parents, memo)
        result._weights = copy.deepcopy(self._weights, memo)
        result._prev_next = copy.deepcopy(self._prev_next, memo)
        result._min_values = copy.deepcopy(self._min_values, memo)
        return result
def __deepcopy__ ( self , memo ) : result = EquivalenceMap ( ) result . _parents = copy . deepcopy ( self . _parents , memo ) result . _weights = copy . deepcopy ( self . _weights , memo ) result . _prev_next = copy . deepcopy ( self . _prev_next , memo ) result . _min_values = copy . deepcopy ( self . _min_values , memo ) return result
Does not preserve _readonly attribute.