Enforce utf-8 codec on all files read and write.

gclient_utils.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Generic utils."""
 
+import codecs
 import errno
 import logging
 import os
 import Queue
 import re
 import stat
 import sys
 import tempfile
 import threading
 import time
@@ skipping 52 matching lines @@
   def __str__(self):
     output = ''
     for i in dir(self):
       if i.startswith('__'):
         continue
       output += '%s = %s\n' % (i, str(getattr(self, i, '')))
     return output
 
 
 def FileRead(filename, mode='rU'):
-  content = None
-  f = open(filename, mode)
-  try:
-    content = f.read()
-  finally:
-    f.close()
-  return content
+  with codecs.open(filename, mode=mode, encoding='utf-8') as f:
+    return f.read()
 
 
 def FileWrite(filename, content, mode='w'):
-  f = open(filename, mode)
-  try:
+  with codecs.open(filename, mode=mode, encoding='utf-8') as f:
     f.write(content)
-  finally:
-    f.close()
 
 
 def rmtree(path):
   """shutil.rmtree() on steroids.
 
   Recursively removes a directory, even if it's marked read-only.
 
   shutil.rmtree() doesn't work on Windows if any of the files or directories
   are read-only, which svn repositories and some .svn files are.  We need to
   be able to force the files to be writable (i.e., deletable) as we traverse
@@ skipping 662 matching lines @@
     keyvals = dict([x.strip() for x in l.split(':', 1)] for l in lines if l)
   except ValueError:
     raise Error(
         'Failed to process settings, please fix. Content:\n\n%s' % content)
   def fix_url(key):
     if keyvals.get(key):
       keyvals[key] = UpgradeToHttps(keyvals[key])
   fix_url('CODE_REVIEW_SERVER')
   fix_url('VIEW_VC')
   return keyvals