# -*- coding: koi8-r -*- import unittest from test.support import TESTFN, unlink, unload import importlib import os import sys class SourceEncodingTest(unittest.TestCase): def test_pep263(self): self.assertEqual( "ðÉÔÏÎ".encode("utf-8"), b'\xd0\x9f\xd0\xb8\xd1\x82\xd0\xbe\xd0\xbd' ) self.assertEqual( "\ð".encode("utf-8"), b'\\\xd0\x9f' ) def test_compilestring(self): # see #1882 c = compile(b"\n# coding: utf-8\nu = '\xc3\xb3'\n", "dummy", "exec") d = {} exec(c, d) self.assertEqual(d['u'], '\xf3') def test_issue2301(self): try: compile(b"# coding: cp932\nprint '\x94\x4e'", "dummy", "exec") except SyntaxError as v: self.assertEqual(v.text, "print '\u5e74'\n") else: self.fail() def test_issue4626(self): c = compile("# coding=latin-1\n\u00c6 = '\u00c6'", "dummy", "exec") d = {} exec(c, d) self.assertEqual(d['\xc6'], '\xc6') def test_issue3297(self): c = compile("a, b = '\U0001010F', '\\U0001010F'", "dummy", "exec") d = {} exec(c, d) self.assertEqual(d['a'], d['b']) self.assertEqual(len(d['a']), len(d['b'])) self.assertEqual(ascii(d['a']), ascii(d['b'])) def test_issue7820(self): # Ensure that check_bom() restores all bytes in the right order if # check_bom() fails in pydebug mode: a buffer starts with the first # byte of a valid BOM, but next bytes are different # one byte in common with the UTF-16-LE BOM self.assertRaises(SyntaxError, eval, b'\xff\x20') # two bytes in common with the UTF-8 BOM self.assertRaises(SyntaxError, eval, b'\xef\xbb\x20') def test_error_message(self): compile(b'# -*- coding: iso-8859-15 -*-\n', 'dummy', 'exec') compile(b'\xef\xbb\xbf\n', 'dummy', 'exec') compile(b'\xef\xbb\xbf# -*- coding: utf-8 -*-\n', 'dummy', 'exec') with self.assertRaisesRegex(SyntaxError, 'fake'): compile(b'# -*- coding: fake -*-\n', 'dummy', 'exec') with self.assertRaisesRegex(SyntaxError, 'iso-8859-15'): compile(b'\xef\xbb\xbf# -*- coding: iso-8859-15 -*-\n', 'dummy', 'exec') with self.assertRaisesRegex(SyntaxError, 'BOM'): compile(b'\xef\xbb\xbf# -*- coding: iso-8859-15 -*-\n', 'dummy', 'exec') with self.assertRaisesRegex(SyntaxError, 'fake'): compile(b'\xef\xbb\xbf# -*- coding: fake -*-\n', 'dummy', 'exec') with self.assertRaisesRegex(SyntaxError, 'BOM'): compile(b'\xef\xbb\xbf# -*- coding: fake -*-\n', 'dummy', 'exec') def test_bad_coding(self): module_name = 'bad_coding' self.verify_bad_module(module_name) def test_bad_coding2(self): module_name = 'bad_coding2' self.verify_bad_module(module_name) def verify_bad_module(self, module_name): self.assertRaises(SyntaxError, __import__, 'test.' + module_name) path = os.path.dirname(__file__) filename = os.path.join(path, module_name + '.py') with open(filename, "rb") as fp: bytes = fp.read() self.assertRaises(SyntaxError, compile, bytes, filename, 'exec') def test_exec_valid_coding(self): d = {} exec('# coding: cp949\na = 5\n', d) self.assertEqual(d['a'], 5) def test_file_parse(self): # issue1134: all encodings outside latin-1 and utf-8 fail on # multiline strings and long lines (>512 columns) unload(TESTFN) sys.path.insert(0, os.curdir) filename = TESTFN + ".py" f = open(filename, "w") try: f.write("# -*- coding: cp1252 -*-\n") f.write("'''A short string\n") f.write("'''\n") f.write("'A very long string %s'\n" % ("X" * 1000)) f.close() importlib.invalidate_caches() __import__(TESTFN) finally: f.close() unlink(filename) unlink(filename + "c") unload(TESTFN) del sys.path[0] def test_error_from_string(self): # See http://bugs.python.org/issue6289 input = "# coding: ascii\n\N{SNOWMAN}".encode('utf-8') with self.assertRaises(SyntaxError) as c: compile(input, "", "exec") expected = "'ascii' codec can't decode byte 0xe2 in position 16: " \ "ordinal not in range(128)" self.assertTrue(c.exception.args[0].startswith(expected)) if __name__ == "__main__": unittest.main()