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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 IGNORED_DIRS = [
21     '.git',
22     '.tox',
23 ]
24
25 from test.helper import assertRegexpMatches
26
27
28 class TestUnicodeLiterals(unittest.TestCase):
29     def test_all_files(self):
30         for dirpath, dirnames, filenames in os.walk(rootDir):
31             for ignore_dir in IGNORED_DIRS:
32                 if ignore_dir in dirnames:
33                     # If we remove the directory from dirnames os.walk won't
34                     # recurse into it
35                     dirnames.remove(ignore_dir)
36             for basename in filenames:
37                 if not basename.endswith('.py'):
38                     continue
39                 if basename in IGNORED_FILES:
40                     continue
41
42                 fn = os.path.join(dirpath, basename)
43                 with io.open(fn, encoding='utf-8') as inf:
44                     code = inf.read()
45
46                 if "'" not in code and '"' not in code:
47                     continue
48                 assertRegexpMatches(
49                     self,
50                     code,
51                     r'(?:(?:#.*?|\s*)\n)*from __future__ import (?:[a-z_]+,\s*)*unicode_literals',
52                     'unicode_literals import  missing in %s' % fn)
53
54                 m = re.search(r'(?<=\s)u[\'"](?!\)|,|$)', code)
55                 if m is not None:
56                     self.assertTrue(
57                         m is None,
58                         'u present in %s, around %s' % (
59                             fn, code[m.start() - 10:m.end() + 10]))
60
61
62 if __name__ == '__main__':
63     unittest.main()