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release 2015.02.03
[youtube-dl] / test / test_unicode_literals.py
1 from __future__ import unicode_literals
2
3 # Allow direct execution
4 import os
5 import sys
6 import unittest
7 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
8
9 import io
10 import re
11
12 rootDir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
13
14 IGNORED_FILES = [
15     'setup.py',  # http://bugs.python.org/issue13943
16     'conf.py',
17     'buildserver.py',
18 ]
19
20
21 from test.helper import assertRegexpMatches
22
23
24 class TestUnicodeLiterals(unittest.TestCase):
25     def test_all_files(self):
26         for dirpath, _, filenames in os.walk(rootDir):
27             for basename in filenames:
28                 if not basename.endswith('.py'):
29                     continue
30                 if basename in IGNORED_FILES:
31                     continue
32
33                 fn = os.path.join(dirpath, basename)
34                 with io.open(fn, encoding='utf-8') as inf:
35                     code = inf.read()
36
37                 if "'" not in code and '"' not in code:
38                     continue
39                 assertRegexpMatches(
40                     self,
41                     code,
42                     r'(?:(?:#.*?|\s*)\n)*from __future__ import (?:[a-z_]+,\s*)*unicode_literals',
43                     'unicode_literals import  missing in %s' % fn)
44
45                 m = re.search(r'(?<=\s)u[\'"](?!\)|,|$)', code)
46                 if m is not None:
47                     self.assertTrue(
48                         m is None,
49                         'u present in %s, around %s' % (
50                             fn, code[m.start() - 10:m.end() + 10]))
51
52
53 if __name__ == '__main__':
54     unittest.main()