test_io.py 文件源码

def test_dtype_with_converters(self):
        dstr = "2009; 23; 46"
        test = np.ndfromtxt(TextIO(dstr,),
                            delimiter=";", dtype=float, converters={0: bytes})
        control = np.array([('2009', 23., 46)],
                           dtype=[('f0', '|S4'), ('f1', float), ('f2', float)])
        assert_equal(test, control)
        test = np.ndfromtxt(TextIO(dstr,),
                            delimiter=";", dtype=float, converters={0: float})
        control = np.array([2009., 23., 46],)
        assert_equal(test, control)