mediagoblin/gmg_commands/__init__.py

   1 # GNU MediaGoblin -- federated, autonomous media hosting
   2 # Copyright (C) 2011 Free Software Foundation, Inc
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU Affero General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 import argparse
  18
  19 from mediagoblin import util as mg_util
  20
  21
  22 SUBCOMMAND_MAP = {
  23     'shell': {
  24         'setup': 'mediagoblin.gmg_commands.shell:shell_parser_setup',
  25         'func': 'mediagoblin.gmg_commands.shell:shell',
  26         'help': 'Run a shell with some tools pre-setup'},
  27     }
  28
  29
  30 def main_cli():
  31     parser = argparse.ArgumentParser(
  32         description='GNU MediaGoblin utilities.')
  33
  34     subparsers = parser.add_subparsers(help='sub-command help')
  35     for command_name, command_struct in SUBCOMMAND_MAP.iteritems():
  36         if command_struct.has_key('help'):
  37             subparser = subparsers.add_parser(
  38                 command_name, help=command_struct['help'])
  39         else:
  40             subparser = subparsers.add_parser(command_name)
  41
  42         setup_func = mg_util.import_component(command_struct['setup'])
  43         exec_func = mg_util.import_component(command_struct['func'])
  44
  45         setup_func(subparser)
  46
  47         subparser.set_defaults(func=exec_func)
  48
  49     args = parser.parse_args()
  50     args.func(args)
  51
  52
  53 if __name__ == '__main__':
  54     main_cli()