我们从Python开源项目中，提取了以下29个代码示例，用于说明如何使用csv.unregister_dialect()。
def test_registry_badargs(self): self.assertRaises(TypeError, csv.list_dialects, None) self.assertRaises(TypeError, csv.get_dialect) self.assertRaises(csv.Error, csv.get_dialect, None) self.assertRaises(csv.Error, csv.get_dialect, "nonesuch") self.assertRaises(TypeError, csv.unregister_dialect) self.assertRaises(csv.Error, csv.unregister_dialect, None) self.assertRaises(csv.Error, csv.unregister_dialect, "nonesuch") self.assertRaises(TypeError, csv.register_dialect, None) self.assertRaises(TypeError, csv.register_dialect, None, None) self.assertRaises(TypeError, csv.register_dialect, "nonesuch", 0, 0) self.assertRaises(TypeError, csv.register_dialect, "nonesuch", badargument=None) self.assertRaises(TypeError, csv.register_dialect, "nonesuch", quoting=None) self.assertRaises(TypeError, csv.register_dialect, [])
def test_dialect_apply(self): class testA(csv.excel): delimiter = "\t" class testB(csv.excel): delimiter = ":" class testC(csv.excel): delimiter = "|" class testUni(csv.excel): delimiter = "\u039B" csv.register_dialect('testC', testC) try: self.compare_dialect_123("1,2,3\r\n") self.compare_dialect_123("1\t2\t3\r\n", testA) self.compare_dialect_123("1:2:3\r\n", dialect=testB()) self.compare_dialect_123("1|2|3\r\n", dialect='testC') self.compare_dialect_123("1;2;3\r\n", dialect=testA, delimiter=';') self.compare_dialect_123("1\u039B2\u039B3\r\n", dialect=testUni) finally: csv.unregister_dialect('testC')
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)
def test_register_kwargs(self): name = 'fedcba' csv.register_dialect(name, delimiter=';') self.addCleanup(csv.unregister_dialect, name) self.assertEqual(csv.get_dialect(name).delimiter, ';') self.assertEqual([['X', 'Y', 'Z']], list(csv.reader(['X;Y;Z'], name)))
def test_dialect_str(self): data = """\ fruit:vegetable apple:brocolli pear:tomato """ exp = DataFrame({ 'fruit': ['apple', 'pear'], 'vegetable': ['brocolli', 'tomato'] }) dia = csv.register_dialect('mydialect', delimiter=':') # noqa df = self.read_csv(StringIO(data), dialect='mydialect') tm.assert_frame_equal(df, exp) csv.unregister_dialect('mydialect')
