test_format.py 文件源码

def chck_ncols(self, s):
        with option_context("display.max_rows", 10):
            res = repr(s)
        lines = res.split('\n')
        lines = [line for line in repr(s).split('\n')
                 if not re.match('[^\.]*\.+', line)][:-1]
        ncolsizes = len(set(len(line.strip()) for line in lines))
        self.assertEqual(ncolsizes, 1)