Start of the `./bin/gmg theme assetlink` command.
[mediagoblin.git] / mediagoblin / gmg_commands / theme.py
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1# GNU MediaGoblin -- federated, autonomous media hosting
2# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
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
17import os
18
19from mediagoblin.init import setup_global_and_app_config
20from mediagoblin.tools.theme import register_themes
21
22
23def theme_parser_setup(subparser):
24 theme_subparsers = subparser.add_subparsers(
25 dest=u"subcommand",
26 help=u'Theme sub-commands')
27
28 # Install command
29 install_parser = theme_subparsers.add_parser(
30 u'install', help=u'Install a theme to this mediagoblin instance')
31 install_parser.add_argument(
32 u'themefile', help=u'The theme archive to be installed')
33
34 # # Uninstall command
35 # theme_subparsers.add_parser(
36 # u'uninstall',
37 # help=u'Uninstall a theme... will default to the current theme.')
38
39 # # List command
40 # theme_subparsers.add_parser(
41 # u'list', help=u'List installed themes')
42
43 # Set theme command
44
45 # Link theme assets command
46
47 theme_subparsers.add_parser(
48 u'assetlink',
49 help=(
50 u"Link the currently installed theme's assets "
51 u"to the served theme asset directory"))
52
53
54def assetlink(args):
55 """
56 Link the asset directory of the currently installed theme
57 """
58 global_config, app_config = setup_global_and_app_config(args.conf_file)
59 theme_registry, current_theme = register_themes(app_config)
60
61 if current_theme is None:
62 print "Cannot link theme... no theme set"
63 return
64
65 link_dir = app_config['theme_linked_assets_dir']
66
67 # Remove existing symlink if it exists
68 if os.path.exists(link_dir):
69 # make sure it's a symlink though
70 assert os.path.islink(link_dir)
71 os.unlink(link_dir)
72
73 os.symlink(current_theme['assets_dir'].rstrip('/'), link_dir.rstrip('/'))
74
75
76SUBCOMMANDS = {
77 'assetlink': assetlink}
78
79
80def theme(args):
81 SUBCOMMANDS[args.subcommand](args)