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 code
  18 import argparse
  19 import os
  20
  21 from paste.deploy.loadwsgi import NicerConfigParser
  22
  23 from mediagoblin.celery_setup import setup_celery_from_config
  24 from mediagoblin import app, util
  25 from mediagoblin import globals as mgoblin_globals
  26
  27
  28 SUBCOMMAND_MAP = {
  29     'shell': {
  30         'setup': 'mediagoblin.gmg_commands:shell_parser_setup',
  31         'func': 'mediagoblin.gmg_commands:shell',
  32         'help': 'Run a shell with some tools pre-setup'},
  33     }
  34
  35
  36 def shell_parser_setup(subparser):
  37     subparser.add_argument(
  38         '-cf', '--conf_file', default='mediagoblin.ini',
  39         help="Config file used to set up environment")
  40     subparser.add_argument(
  41         '-cs', '--app_section', default='app:mediagoblin',
  42         help="Section of the config file where the app config is stored.")
  43
  44
  45 SHELL_BANNER = """\
  46 GNU MediaGoblin shell!
  47 ----------------------
  48 Available vars:
  49  - mgoblin_app: instantiated mediagoblin application
  50  - mgoblin_globals: mediagoblin.globals
  51  - db: database instance
  52 """
  53
  54
  55 def shell(args):
  56     """
  57     """
  58     # Duplicated from from_celery.py, remove when we have the generic util
  59     parser = NicerConfigParser(args.conf_file)
  60     parser.read(args.conf_file)
  61     parser._defaults.setdefault(
  62         'here', os.path.dirname(os.path.abspath(args.conf_file)))
  63     parser._defaults.setdefault(
  64         '__file__', os.path.abspath(args.conf_file))
  65
  66     mgoblin_section = dict(parser.items(args.app_section))
  67     mgoblin_conf = dict(
  68         [(section_name, dict(parser.items(section_name)))
  69          for section_name in parser.sections()])
  70
  71     mgoblin_app = app.paste_app_factory(
  72         mgoblin_conf, **mgoblin_section)
  73
  74     code.interact(
  75         banner=SHELL_BANNER,
  76         local={
  77             'mgoblin_app': mgoblin_app,
  78             'mgoblin_globals': mgoblin_globals,
  79             'db': mgoblin_globals.database})
  80
  81
  82 def main_cli():
  83     parser = argparse.ArgumentParser(
  84         description='GNU MediaGoblin utilities.')
  85
  86     subparsers = parser.add_subparsers(help='sub-command help')
  87     for command_name, command_struct in SUBCOMMAND_MAP.iteritems():
  88         if command_struct.has_key('help'):
  89             subparser = subparsers.add_parser(
  90                 command_name, help=command_struct['help'])
  91         else:
  92             subparser = subparsers.add_parser(command_name)
  93
  94         setup_func = util.import_component(command_struct['setup'])
  95         exec_func = util.import_component(command_struct['func'])
  96
  97         setup_func(subparser)
  98
  99         subparser.set_defaults(func=exec_func)
 100
 101     args = parser.parse_args()
 102     args.func(args)
 103
 104
 105 if __name__ == '__main__':
 106     main_cli()