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

native_client_sdk/src/doc/doxygen/generate_docs.py

Index: native_client_sdk/src/doc/doxygen/generate_docs.py
diff --git a/native_client_sdk/src/doc/doxygen/generate_docs.py b/native_client_sdk/src/doc/doxygen/generate_docs.py
index c28b6b260fe57f4ebab506ff839472aec1af2f6e..cb618db791a255723afa9904e6e7788fb257596e 100755
--- a/native_client_sdk/src/doc/doxygen/generate_docs.py
+++ b/native_client_sdk/src/doc/doxygen/generate_docs.py
@@ -1,12 +1,14 @@
 #!/usr/bin/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.
 
+"""Script to regenerate API docs using doxygen.
+"""
+
 import collections
 import json
-import optparse
+import argparse

[binji, 2014/11/13 23:57:02]

sort

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

Done.

 import os
 import shutil
 import subprocess
@@ -228,7 +230,7 @@ def RunRstIndex(kind, channel, pepper_version, out_dirname, out_rst_filename):
          '--channel', channel,
          '--version', pepper_version,
          out_dirname,
-         '-o', out_rst_filename]
+         out_rst_filename]
   Trace('Running rst_index:\n  %s' % ' '.join(cmd))
   subprocess.check_call(cmd)
 
@@ -289,20 +291,18 @@ def GenerateDocs(root_dirname, channel, pepper_version, branch):
 
 
 def main(argv):
-  parser = optparse.OptionParser(usage='Usage: %prog [options] <out_directory>')
-  parser.add_option('-v', '--verbose',
+  parser = argparse.ArgumentParser(description=__doc__)
+  parser.add_argument('-v', '--verbose',
                     help='Verbose output', action='store_true')

[binji, 2014/11/13 23:57:02]

nit: align

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

Done.

-  options, dirs = parser.parse_args(argv)
+  parser.add_argument('dir')

[binji, 2014/11/13 23:57:02]

better name: out_directory?

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

Done.

+  options = parser.parse_args(argv)
 
   if options.verbose:
     Trace.verbose = True
 
-  if len(dirs) != 1:
-    parser.error('Expected an output directory')
-
   channel_info = GetChannelInfo()
   for channel, info in channel_info.iteritems():
-    GenerateDocs(dirs[0], channel, info.version, info.branch)
+    GenerateDocs(options.dir, channel, info.version, info.branch)
 
   return 0