test_parsers.py 文件源码

def test_comment_fwf(self):
        data = """
  1   2.   4  #hello world
  5  NaN  10.0
"""
        expected = [[1, 2., 4],
                    [5, np.nan, 10.]]
        df = read_fwf(StringIO(data), colspecs=[(0, 3), (4, 9), (9, 25)],
                      comment='#')
        tm.assert_almost_equal(df.values, expected)