luci-py: Making __file__ usage unicode safe.

client/tests/run_isolated_smoke_test.py

 #!/usr/bin/env python
 # Copyright 2012 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 import json
 import logging
 import os
 import subprocess
 import sys
 import unittest
 
-ROOT_DIR = unicode(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(
+    __file__.decode(sys.getfilesystemencoding()))))
 sys.path.insert(0, ROOT_DIR)
 
 import isolated_format
 import run_isolated
 from depot_tools import fix_encoding
 from utils import file_path
 
 import isolateserver_mock
 import test_utils
 
 
 CONTENTS = {
   'check_files.py': """if True:
       import os, sys
-      ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
+      ROOT_DIR = os.path.dirname(os.path.abspath(
+          __file__.decode(sys.getfilesystemencoding())))
       expected = [
         'check_files.py', 'file1.txt', 'file1_copy.txt', 'file2.txt',
         'repeated_files.py',
       ]
       actual = sorted(os.listdir(ROOT_DIR))
       if expected != actual:
         print >> sys.stderr, 'Expected list doesn\\'t match:'
         print >> sys.stderr, '%s\\n%s' % (','.join(expected), ','.join(actual))
         sys.exit(1)
       # Check that file2.txt is in reality file3.txt.
       with open(os.path.join(ROOT_DIR, 'file2.txt'), 'rb') as f:
         if f.read() != 'File3\\n':
           print >> sys.stderr, 'file2.txt should be file3.txt in reality'
           sys.exit(2)
       print('Success')""",
   'file1.txt': 'File1\n',
   'file2.txt': 'File2.txt\n',
   'file3.txt': 'File3\n',
   'repeated_files.py': """if True:
       import os, sys
       expected = ['file1.txt', 'file1_copy.txt', 'repeated_files.py']
-      actual = sorted(os.listdir(os.path.dirname(os.path.abspath(__file__))))
+      actual = sorted(os.listdir(os.path.dirname(os.path.abspath(
+          __file__.decode(sys.getfilesystemencoding())))))
       if expected != actual:
         print >> sys.stderr, 'Expected list doesn\\'t match:'
         print >> sys.stderr, '%s\\n%s' % (','.join(expected), ','.join(actual))
         sys.exit(1)
       print('Success')""",
   'max_path.py': """if True:
       import os, sys
       prefix = u'\\\\\\\\?\\\\' if sys.platform == 'win32' else u''
-      path = unicode(os.path.join(os.getcwd(), 'a' * 200, 'b' * 200))
+      path = os.path.join(os.getcwd().decode(
+          sys.getfilesystemencoding()), 'a' * 200, 'b' * 200)
       with open(prefix + path, 'rb') as f:
         actual = f.read()
         if actual != 'File1\\n':
           print >> sys.stderr, 'Unexpected content: %s' % actual
           sys.exit(1)
       print('Success')""",
 }
 
 
 def file_meta(filename):
@@ skipping 312 matching lines @@
     cached_file_path = self._test_corruption_common(
         CONTENTS['file1.txt'][:-1] + ' ')
     # TODO(maruel): This corruption is NOT detected.
     # This needs to be fixed.
     self.assertNotEqual(CONTENTS['file1.txt'], read_content(cached_file_path))
 
 
 if __name__ == '__main__':
   fix_encoding.fix_encoding()
   test_utils.main()