Method __array_ufunc__

numpy/ma/tests/test_subclassing.py:170–176

(self, ufunc, method, *inputs, **kwargs)

        return np.asarray(self._array)

    def __array_ufunc__(self, ufunc, method, *inputs, **kwargs):
        if method == '__call__':
            inputs = [arg._array if isinstance(arg, self.__class__) else arg
                      for arg in inputs]
            return self.__class__(ufunc(*inputs, **kwargs), **self.attrs)
        else:
            return NotImplemented


class TestSubclassing: