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e5572c60 ML |
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 | ||
31a8ff42 CAW |
17 | import sys |
18 | import urllib | |
19 | ||
b61874b2 | 20 | from beaker.middleware import SessionMiddleware |
31a8ff42 | 21 | import routes |
2b4e236a | 22 | import mongokit |
b61874b2 | 23 | from webob import Request, exc |
31a8ff42 | 24 | |
2b4e236a | 25 | from mediagoblin import routing, util, models |
31a8ff42 CAW |
26 | |
27 | ||
28 | class Error(Exception): pass | |
29 | class ImproperlyConfigured(Error): pass | |
30 | ||
31 | ||
32 | def load_controller(string): | |
33 | module_name, func_name = string.split(':', 1) | |
34 | __import__(module_name) | |
35 | module = sys.modules[module_name] | |
36 | func = getattr(module, func_name) | |
37 | return func | |
38 | ||
39 | ||
40 | class MediagoblinApp(object): | |
41 | """ | |
42 | Really basic wsgi app using routes and WebOb. | |
43 | """ | |
2b4e236a | 44 | def __init__(self, connection, database_path, user_template_path=None): |
31a8ff42 | 45 | self.template_env = util.get_jinja_env(user_template_path) |
2b4e236a | 46 | self.connection = connection |
65d7374c | 47 | self.db = connection[database_path] |
0f63a944 | 48 | self.routing = routing.get_mapper() |
31a8ff42 | 49 | |
2b4e236a CAW |
50 | models.register_models(connection) |
51 | ||
31a8ff42 CAW |
52 | def __call__(self, environ, start_response): |
53 | request = Request(environ) | |
54 | path_info = request.path_info | |
0f63a944 | 55 | route_match = self.routing.match(path_info) |
31a8ff42 CAW |
56 | |
57 | # No matching page? | |
58 | if route_match is None: | |
59 | # Try to do see if we have a match with a trailing slash | |
60 | # added and if so, redirect | |
61 | if not path_info.endswith('/') \ | |
62 | and request.method == 'GET' \ | |
0f63a944 | 63 | and self.routing.match(path_info + '/'): |
31a8ff42 CAW |
64 | new_path_info = path_info + '/' |
65 | if request.GET: | |
66 | new_path_info = '%s?%s' % ( | |
67 | new_path_info, urllib.urlencode(request.GET)) | |
68 | redirect = exc.HTTPTemporaryRedirect(location=new_path_info) | |
69 | return request.get_response(redirect)(environ, start_response) | |
70 | ||
71 | # Okay, no matches. 404 time! | |
72 | return exc.HTTPNotFound()(environ, start_response) | |
73 | ||
74 | controller = load_controller(route_match['controller']) | |
75 | request.start_response = start_response | |
76 | ||
77 | request.matchdict = route_match | |
78 | request.app = self | |
79 | request.template_env = self.template_env | |
0f63a944 | 80 | request.urlgen = routes.URLGenerator(self.routing, environ) |
2b4e236a | 81 | request.db = self.db |
7846e406 | 82 | # Do we really want to load this via middleware? Maybe? |
14ba9383 | 83 | request.session = request.environ['beaker.session'] |
a3fdcf5c | 84 | util.setup_user_in_request(request) |
31a8ff42 CAW |
85 | |
86 | return controller(request)(environ, start_response) | |
87 | ||
88 | ||
89 | def paste_app_factory(global_config, **kw): | |
2b4e236a CAW |
90 | connection = mongokit.Connection( |
91 | kw.get('db_host'), kw.get('db_port')) | |
73e0dbcc | 92 | |
b61874b2 | 93 | mgoblin_app = MediagoblinApp( |
2b4e236a CAW |
94 | connection, kw.get('db_name', 'mediagoblin'), |
95 | user_template_path=kw.get('local_templates')) | |
b61874b2 | 96 | |
c4d71564 | 97 | return mgoblin_app |