test_csv.py 文件源码

def test_write_float(self):
        # Issue 13573: loss of precision because csv.writer
        # uses str() for floats instead of repr()
        orig_row = [1.234567890123, 1.0/7.0, 'abc']
        f = StringIO()
        c = csv.writer(f, quoting=csv.QUOTE_NONNUMERIC)
        c.writerow(orig_row)
        f.seek(0)
        c = csv.reader(f, quoting=csv.QUOTE_NONNUMERIC)
        new_row = next(c)
        self.assertEqual(orig_row, new_row)