test_mrecords.py 文件源码

def test_set_mask_fromfields(self):
        mbase = self.base.copy().view(mrecarray)

        nmask = np.array(
            [(0, 1, 0), (0, 1, 0), (1, 0, 1), (1, 0, 1), (0, 0, 0)],
            dtype=[('a', bool), ('b', bool), ('c', bool)])
        mbase.mask = nmask
        assert_equal(mbase.a.mask, [0, 0, 1, 1, 0])
        assert_equal(mbase.b.mask, [1, 1, 0, 0, 0])
        assert_equal(mbase.c.mask, [0, 0, 1, 1, 0])
        # Reinitalizes and redo
        mbase.mask = False
        mbase.fieldmask = nmask
        assert_equal(mbase.a.mask, [0, 0, 1, 1, 0])
        assert_equal(mbase.b.mask, [1, 1, 0, 0, 0])
        assert_equal(mbase.c.mask, [0, 0, 1, 1, 0])