[Mac/GN] Allow the info_plist template caller to specify the plist format.

build/config/mac/gen_plist.py

 # Copyright 2016 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.
 
 import argparse
 import plistlib
 import os
 import re
 import subprocess
 import sys
@@ skipping 120 matching lines @@
   """Loads Plist at |path| and returns it as a dictionary."""
   fd, name = tempfile.mkstemp()
   try:
     subprocess.check_call(['plutil', '-convert', 'xml1', '-o', name, path])
     with os.fdopen(fd, 'r') as f:
       return plistlib.readPlist(f)
   finally:
     os.unlink(name)
 
 
-def SavePList(path, data):
-  """Saves |data| as a Plist to |path| in binary1 format."""
+def SavePList(path, format, data):
+  """Saves |data| as a Plist to |path| in the specified |format|."""
   fd, name = tempfile.mkstemp()
   try:
     with os.fdopen(fd, 'w') as f:
       plistlib.writePlist(data, f)
-    subprocess.check_call(['plutil', '-convert', 'binary1', '-o', path, name])
+    subprocess.check_call(['plutil', '-convert', format, '-o', path, name])
   finally:
     os.unlink(name)
 
 
 def MergePList(plist1, plist2):
   """Merges |plist1| with |plist2| recursively.
 
   Creates a new dictionary representing a Property List (.plist) files by
   merging the two dictionary |plist1| and |plist2| recursively (only for
   dictionary values).
@@ skipping 25 matching lines @@
 
 
 def main():
   parser = ArgumentParser(
       description='A script to generate iOS application Info.plist.',
       fromfile_prefix_chars='@')
   parser.add_argument('-o', '--output', required=True,
                       help='Path to output plist file.')
   parser.add_argument('-s', '--subst', action='append', default=[],
                       help='Substitution rule in the format "key=value".')
+  parser.add_argument('-f', '--format', required=True,
+                      help='Plist format (e.g. binary1, xml1) to output.')
   parser.add_argument('path', nargs="+", help='Path to input plist files.')
   args = parser.parse_args()
   substitutions = {}
   for subst in args.subst:
     key, value = subst.split('=', 1)
     substitutions[key] = value
   data = {}
   for filename in args.path:
     data = MergePList(data, LoadPList(filename))
   data = Interpolate(data, substitutions)
-  SavePList(args.output, data)
+  SavePList(args.output, args.format, data)
   return 0
 
 if __name__ == '__main__':
   sys.exit(main())