test_csv.py 文件源码

def test_registry(self):
        class myexceltsv(csv.excel):
            delimiter = "\t"
        name = "myexceltsv"
        expected_dialects = csv.list_dialects() + [name]
        expected_dialects.sort()
        csv.register_dialect(name, myexceltsv)
        self.addCleanup(csv.unregister_dialect, name)
        self.assertEqual(csv.get_dialect(name).delimiter, '\t')
        got_dialects = sorted(csv.list_dialects())
        self.assertEqual(expected_dialects, got_dialects)