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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 | ||
17 | """ | |
18 | """ | |
19 | ||
20 | ||
21 | import pkg_resources | |
22 | import os | |
23 | ||
24 | from configobj import ConfigObj | |
25 | ||
26 | ||
27 | BUILTIN_THEME_DIR = pkg_resources.resource_filename('mediagoblin', 'themes') | |
28 | ||
29 | ||
30 | def themedata_for_theme_dir(name, theme_dir): | |
31 | """ | |
32 | Given a theme directory, extract important theme information. | |
33 | """ | |
34 | # open config | |
27c9bb8a | 35 | config = ConfigObj(os.path.join(theme_dir, 'theme.ini')).get('theme', {}) |
828fc630 CAW |
36 | |
37 | templates_dir = os.path.join(theme_dir, 'templates') | |
38 | if not os.path.exists(templates_dir): | |
39 | templates_dir = None | |
40 | ||
41 | assets_dir = os.path.join(theme_dir, 'assets') | |
42 | if not os.path.exists(assets_dir): | |
43 | assets_dir = None | |
44 | ||
45 | themedata = { | |
46 | 'name': config.get('name', name), | |
47 | 'description': config.get('description'), | |
faa74bf9 | 48 | 'licensing': config.get('licensing'), |
828fc630 CAW |
49 | 'dir': theme_dir, |
50 | 'templates_dir': templates_dir, | |
51 | 'assets_dir': assets_dir, | |
52 | 'config': config} | |
53 | ||
54 | return themedata | |
55 | ||
56 | ||
57 | def register_themes(app_config, builtin_dir=BUILTIN_THEME_DIR): | |
58 | """ | |
59 | Register all themes relevant to this application. | |
60 | """ | |
61 | registry = {} | |
62 | ||
63 | def _install_themes_in_dir(directory): | |
64 | for themedir in os.listdir(directory): | |
65 | abs_themedir = os.path.join(directory, themedir) | |
66 | if not os.path.isdir(abs_themedir): | |
67 | continue | |
68 | ||
69 | themedata = themedata_for_theme_dir(themedir, abs_themedir) | |
70 | registry[themedir] = themedata | |
06d70c4b | 71 | |
828fc630 | 72 | # Built-in themes |
975be468 CAW |
73 | if os.path.exists(builtin_dir): |
74 | _install_themes_in_dir(builtin_dir) | |
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75 | |
76 | # Installed themes | |
77 | theme_install_dir = app_config.get('theme_install_dir') | |
78 | if theme_install_dir and os.path.exists(theme_install_dir): | |
79 | _install_themes_in_dir(theme_install_dir) | |
80 | ||
975be468 | 81 | current_theme_name = app_config.get('theme') |
06d70c4b | 82 | try: |
975be468 | 83 | current_theme = registry[current_theme_name] |
06d70c4b | 84 | except KeyError: |
975be468 CAW |
85 | current_theme = None |
86 | ||
87 | return registry, current_theme |