[NaCl SDK] Convert python scripts from optparse to argparse.

native_client_sdk/src/tools/fix_manifest.py

 #!/usr/bin/env python
 # Copyright (c) 2014 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.
 
 # Disable the lint error for too-long lines for the URL below.
 # pylint: disable=C0301
 
 """Fix Chrome App manifest.json files for use with multi-platform zip files.
 
@@ skipping 18 matching lines @@
   "platforms": [
     {
       "nacl_arch": "x86-64",
       "sub_package_path": "<toolchain>/<config>/_platform_specific/x86-64/"
     },
     ...
 """
 
 import collections
 import json
-import optparse
+import argparse

[binji, 2014/11/13 23:57:03]

sort

[Sam Clegg, 2014/11/30 17:55:12]

Done.

 import os
 import sys
 
 if sys.version_info < (2, 6, 0):

[binji, 2014/11/13 23:57:03]

2.7

[Sam Clegg, 2014/11/30 17:55:13]

Separate CL

   sys.stderr.write("python 2.6 or later is required run this script\n")
   sys.exit(1)
 
 
 class Error(Exception):
   """Local Error class for this file."""
   pass
 
 
 def Trace(msg):
   if Trace.verbose:
     sys.stderr.write(str(msg) + '\n')
 
 Trace.verbose = False
 
 
 def main(argv):
-  parser = optparse.OptionParser(
+  parser = argparse.ArgumentParser(
       usage='Usage: %prog [options] manifest.json', description=__doc__)

[binji, 2014/11/13 23:57:03]

remove usage

[Sam Clegg, 2014/11/30 17:55:13]

Done.

-  parser.add_option('-p', '--prefix',
+  parser.add_argument('-p', '--prefix',
                     help='Prefix to set for all sub_package_paths in the '
                     'manifest. If none is specified, the prefix will be '
                     'removed; i.e. the start of the path will be '
                     '"_platform_specific/..."')
-  parser.add_option('-v', '--verbose',
+  parser.add_argument('-v', '--verbose',
                     help='Verbose output', action='store_true')
 
   options, args = parser.parse_args(argv)

[binji, 2014/11/13 23:57:03]

options = 

[Sam Clegg, 2014/11/30 17:55:13]

Done.

   if options.verbose:
     Trace.verbose = True
 
   if not args:

[binji, 2014/11/13 23:57:03]

remove

[Sam Clegg, 2014/11/30 17:55:12]

Done.

     parser.error('Expected manifest file.')
 
   manifest = args[0]
 
   Trace('Reading %s' % manifest)
   with open(manifest) as f:
     # Keep the dictionary order. This is only supported on Python 2.7+
     if sys.version_info >= (2, 7, 0):
       data = json.load(f, object_pairs_hook=collections.OrderedDict)
     else:
@@ skipping 37 matching lines @@
 if __name__ == '__main__':
   try:
     rtn = main(sys.argv[1:])
   except Error, e:
     sys.stderr.write('%s: %s\n' % (os.path.basename(__file__), e))
     rtn = 1
   except KeyboardInterrupt:
     sys.stderr.write('%s: interrupted\n' % os.path.basename(__file__))
     rtn = 1
   sys.exit(rtn)