| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| from __future__ import print_function |
| |
| import sys |
| |
| from twitter.common import app |
| |
| |
| @app.command(name='help') |
| def help_command(args, options): |
| """Get help about a specific command. |
| """ |
| if len(args) == 0: |
| app.help() |
| for (command, doc) in app.get_commands_and_docstrings(): |
| if args[0] == command: |
| print('command %s:' % command) |
| print(doc) |
| app.quit(0) |
| print('unknown command: %s' % args[0], file=sys.stderr) |
