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

native_client_sdk/src/build_tools/update_sdktools.py

Index: native_client_sdk/src/build_tools/update_sdktools.py
diff --git a/native_client_sdk/src/build_tools/update_sdktools.py b/native_client_sdk/src/build_tools/update_sdktools.py
index 808aa1bdd6968b6605ed4e79198e559d66e0c928..5e54b314e784d37a5f63ba03e1fd006f4976da52 100755
--- a/native_client_sdk/src/build_tools/update_sdktools.py
+++ b/native_client_sdk/src/build_tools/update_sdktools.py
@@ -19,7 +19,7 @@ any changes. Instead it modifies the manifest file in cloud storage."""
 import collections
 import difflib
 import json
-import optparse
+import argparse

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

sort

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

Done.

 import re
 import sys
 import urllib2
@@ -107,12 +107,10 @@ def UpdateManifestFileToRevision(filename, revision):
 
 
 def main(args):
-  parser = optparse.OptionParser(description=__doc__)
-  parser.add_option('-r', '--revision',
+  parser = argparse.ArgumentParser(description=__doc__)
+  parser.add_argument('-r', '--revision',
       help='set revision manually, rather than using the latest version')
-  options, args = parser.parse_args(args[1:])
-  if len(args) != 0:
-    parser.error('Unexpected args: %s' % ', '.join(args))
+  options = parser.parse_args(args)
 
   # TODO(binji): http://crbug.com/169047. Rename RealDelegate to something else.
   delegate = RealDelegate()
@@ -123,7 +121,8 @@ def main(args):
 
   UpdateManifestFileToRevision('json/naclsdk_manifest0.json', revision)
   UpdateManifestFileToRevision('json/naclsdk_manifest2.json', revision)
+  return 0
 
 
 if __name__ == '__main__':
-  sys.exit(main(sys.argv))
+  sys.exit(main(sys.argv[1:]))