| # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from chromite.cros import commands |
| from chromite.lib import commandline |
| |
| |
| def GetOptions(my_commands): |
| """Returns the argparse to use for Cros.""" |
| parser = commandline.ArgumentParser(caching=True) |
| if not commands: |
| return parser |
| |
| subparsers = parser.add_subparsers(title='cros commands') |
| for cmd_name, class_def in sorted(my_commands.iteritems(), key=lambda x:x[0]): |
| epilog = getattr(class_def, 'EPILOG', None) |
| sub_parser = subparsers.add_parser( |
| cmd_name, description=class_def.__doc__, epilog=epilog, |
| formatter_class=commandline.argparse.RawDescriptionHelpFormatter) |
| class_def.AddParser(sub_parser) |
| |
| return parser |
| |
| |
| def main(args): |
| parser = GetOptions(commands.ListCommands()) |
| # Cros currently does nothing without a subcmd. Print help if no args are |
| # specified. |
| if not args: |
| parser.print_help() |
| return 1 |
| |
| namespace = parser.parse_args(args) |
| subcommand = namespace.cros_class(namespace) |
| subcommand.Run() |
| return 0 |
