Commit | Line | Data |
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8e1e744d | 1 | # GNU MediaGoblin -- federated, autonomous media hosting |
e5572c60 ML |
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 | ||
cb8ea0fe CAW |
17 | import sys |
18 | ||
31a8ff42 | 19 | import jinja2 |
58dec5ef | 20 | import mongokit |
31a8ff42 CAW |
21 | |
22 | def get_jinja_env(user_template_path=None): | |
904f61c2 CAW |
23 | """ |
24 | Set up the Jinja environment, possibly allowing for user | |
25 | overridden templates. | |
26 | ||
27 | (In the future we may have another system for providing theming; | |
28 | for now this is good enough.) | |
29 | """ | |
31a8ff42 CAW |
30 | if user_template_path: |
31 | loader = jinja2.ChoiceLoader( | |
32 | [jinja2.FileSystemLoader(user_template_path), | |
33 | jinja2.PackageLoader('mediagoblin', 'templates')]) | |
34 | else: | |
35 | loader = jinja2.PackageLoader('mediagoblin', 'templates') | |
36 | ||
37 | return jinja2.Environment(loader=loader, autoescape=True) | |
58dec5ef CAW |
38 | |
39 | ||
40 | def setup_user_in_request(request): | |
41 | """ | |
42 | Examine a request and tack on a request.user parameter if that's | |
43 | appropriate. | |
44 | """ | |
45 | if not request.session.has_key('user_id'): | |
59dd5c7e | 46 | request.user = None |
58dec5ef CAW |
47 | return |
48 | ||
5d6840a0 | 49 | user = None |
6648c52b | 50 | user = request.app.db.User.one( |
c74e1462 | 51 | {'_id': mongokit.ObjectId(request.session['user_id'])}) |
5d6840a0 | 52 | |
c74e1462 CAW |
53 | if not user: |
54 | # Something's wrong... this user doesn't exist? Invalidate | |
55 | # this session. | |
58dec5ef | 56 | request.session.invalidate() |
5d6840a0 CAW |
57 | |
58 | request.user = user | |
cb8ea0fe CAW |
59 | |
60 | ||
61 | def import_component(import_string): | |
62 | """ | |
63 | Import a module component defined by STRING. Probably a method, | |
64 | class, or global variable. | |
65 | ||
66 | Args: | |
67 | - import_string: a string that defines what to import. Written | |
68 | in the format of "module1.module2:component" | |
69 | """ | |
70 | module_name, func_name = import_string.split(':', 1) | |
71 | __import__(module_name) | |
72 | module = sys.modules[module_name] | |
73 | func = getattr(module, func_name) | |
74 | return func |