Fix of 466008: [GN] generate files block second-time ninja build

grit/tool/build.py

 #!/usr/bin/env python
 # 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.
 
 '''The 'grit build' tool along with integration for this tool with the
 SCons build system.
 '''
 
+import codecs
 import filecmp
 import getopt
 import os
 import shutil
 import sys
 
 from grit import grd_reader
 from grit import util
 from grit.tool import interface
 from grit import shortcuts
@@ skipping 211 matching lines @@
     if assert_output_files:
       if not self.CheckAssertedOutputFiles(assert_output_files):
         return 2
 
     if depfile and depdir:
       self.GenerateDepfile(depfile, depdir, first_ids_file, depend_on_stamp)
 
     return 0
 
   def __init__(self, defines=None):
-    # Default file-creation function is built-in open().  Only done to allow
+    # Default file-creation function is codecs.open().  Only done to allow
     # overriding by unit test.
-    self.fo_create = open
+    self.fo_create = codecs.open
 
     # key/value pairs of C-preprocessor like defines that are used for
     # conditional output of resources
     self.defines = defines or {}
 
     # self.res is a fully-populated resource tree if Run()
     # has been called, otherwise None.
     self.res = None
 
     # Set to a list of filenames for the output nodes that are relative
@@ skipping 226 matching lines @@
       output_file = os.path.join(self.output_directory,
                                  outputs[0].GetFilename())
 
     output_file = os.path.relpath(output_file, depdir)
     # The path prefix to prepend to dependencies in the depfile.
     prefix = os.path.relpath(os.getcwd(), depdir)
     deps_text = ' '.join([os.path.join(prefix, i) for i in infiles])
 
     depfile_contents = output_file + ': ' + deps_text
     self.MakeDirectoriesTo(depfile)
-    outfile = self.fo_create(depfile, 'wb')
+    outfile = self.fo_create(depfile, 'w', encoding='utf-8')
     outfile.writelines(depfile_contents)
 
   @staticmethod
   def MakeDirectoriesTo(file):
     '''Creates directories necessary to contain |file|.'''
     dir = os.path.split(file)[0]
     if not os.path.exists(dir):
       os.makedirs(dir)