[third_party] vendor argparse.

recipes.py

 #!/usr/bin/env python
 # Copyright 2015 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 """Tool to interact with recipe repositories.
 
 This tool operates on the nearest ancestor directory containing an
 infra/config/recipes.cfg.
 """
 
-import argparse
 import json
 import logging
 import os
 import shutil
 import subprocess
 import sys
 import tempfile
 
 # This is necessary to ensure that str literals are by-default assumed to hold
 # utf-8. It also makes the implicit str(unicode(...)) act like
 # unicode(...).encode('utf-8'), rather than unicode(...).encode('ascii') .
 reload(sys)
 sys.setdefaultencoding('UTF8')
 
 ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
 sys.path.insert(0, ROOT_DIR)
 
 from recipe_engine import env
+
+import argparse  # this is vendored
 from recipe_engine import arguments_pb2
 from recipe_engine import util as recipe_util
 from google.protobuf import json_format as jsonpb
 
 
 def test(config_file, package_deps, args):
   try:
     from recipe_engine import test
   except ImportError:
     logging.error(
@@ skipping 728 matching lines @@
 
   if not isinstance(ret, int):
     if ret is None:
       ret = 0
     else:
       print >> sys.stderr, ret
       ret = 1
   sys.stdout.flush()
   sys.stderr.flush()
   os._exit(ret)