| 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 | from beaker.cache import CacheManager |
| 18 | from beaker.util import parse_cache_config_options |
| 19 | import jinja2 |
| 20 | |
| 21 | from mediagoblin import staticdirect |
| 22 | from mediagoblin.init.config import ( |
| 23 | read_mediagoblin_config, generate_validation_report) |
| 24 | from mediagoblin import mg_globals |
| 25 | from mediagoblin.mg_globals import setup_globals |
| 26 | from mediagoblin.db.open import setup_connection_and_db_from_config, \ |
| 27 | check_db_migrations_current |
| 28 | from mediagoblin.workbench import WorkbenchManager |
| 29 | from mediagoblin.storage import storage_system_from_config |
| 30 | |
| 31 | |
| 32 | class Error(Exception): |
| 33 | pass |
| 34 | |
| 35 | |
| 36 | class ImproperlyConfigured(Error): |
| 37 | pass |
| 38 | |
| 39 | |
| 40 | def setup_global_and_app_config(config_path): |
| 41 | global_config, validation_result = read_mediagoblin_config(config_path) |
| 42 | app_config = global_config['mediagoblin'] |
| 43 | # report errors if necessary |
| 44 | validation_report = generate_validation_report( |
| 45 | global_config, validation_result) |
| 46 | if validation_report: |
| 47 | raise ImproperlyConfigured(validation_report) |
| 48 | |
| 49 | setup_globals( |
| 50 | app_config=app_config, |
| 51 | global_config=global_config) |
| 52 | |
| 53 | return global_config, app_config |
| 54 | |
| 55 | |
| 56 | def setup_database(): |
| 57 | app_config = mg_globals.app_config |
| 58 | |
| 59 | # Set up the database |
| 60 | connection, db = setup_connection_and_db_from_config(app_config) |
| 61 | |
| 62 | check_db_migrations_current(db) |
| 63 | |
| 64 | setup_globals( |
| 65 | db_connection=connection, |
| 66 | database=db) |
| 67 | |
| 68 | return connection, db |
| 69 | |
| 70 | |
| 71 | def get_jinja_loader(user_template_path=None): |
| 72 | """ |
| 73 | Set up the Jinja template loaders, possibly allowing for user |
| 74 | overridden templates. |
| 75 | |
| 76 | (In the future we may have another system for providing theming; |
| 77 | for now this is good enough.) |
| 78 | """ |
| 79 | if user_template_path: |
| 80 | return jinja2.ChoiceLoader( |
| 81 | [jinja2.FileSystemLoader(user_template_path), |
| 82 | jinja2.PackageLoader('mediagoblin', 'templates')]) |
| 83 | else: |
| 84 | return jinja2.PackageLoader('mediagoblin', 'templates') |
| 85 | |
| 86 | |
| 87 | def get_staticdirector(app_config): |
| 88 | if 'direct_remote_path' in app_config: |
| 89 | return staticdirect.RemoteStaticDirect( |
| 90 | app_config['direct_remote_path'].strip()) |
| 91 | elif 'direct_remote_paths' in app_config: |
| 92 | direct_remote_path_lines = app_config[ |
| 93 | 'direct_remote_paths'].strip().splitlines() |
| 94 | return staticdirect.MultiRemoteStaticDirect( |
| 95 | dict([line.strip().split(' ', 1) |
| 96 | for line in direct_remote_path_lines])) |
| 97 | else: |
| 98 | raise ImproperlyConfigured( |
| 99 | "One of direct_remote_path or " |
| 100 | "direct_remote_paths must be provided") |
| 101 | |
| 102 | |
| 103 | def setup_storage(): |
| 104 | global_config = mg_globals.global_config |
| 105 | |
| 106 | key_short = 'publicstore' |
| 107 | key_long = "storage:" + key_short |
| 108 | public_store = storage_system_from_config(global_config[key_long]) |
| 109 | |
| 110 | key_short = 'queuestore' |
| 111 | key_long = "storage:" + key_short |
| 112 | queue_store = storage_system_from_config(global_config[key_long]) |
| 113 | |
| 114 | setup_globals( |
| 115 | public_store=public_store, |
| 116 | queue_store=queue_store) |
| 117 | |
| 118 | return public_store, queue_store |
| 119 | |
| 120 | |
| 121 | def setup_workbench(): |
| 122 | app_config = mg_globals.app_config |
| 123 | |
| 124 | workbench_manager = WorkbenchManager(app_config['workbench_path']) |
| 125 | |
| 126 | setup_globals(workbench_manager=workbench_manager) |
| 127 | |
| 128 | |
| 129 | def setup_beaker_cache(): |
| 130 | """ |
| 131 | Setup the Beaker Cache manager. |
| 132 | """ |
| 133 | cache_config = mg_globals.global_config['beaker.cache'] |
| 134 | cache_config = dict( |
| 135 | [(u'cache.%s' % key, value) |
| 136 | for key, value in cache_config.iteritems()]) |
| 137 | cache = CacheManager(**parse_cache_config_options(cache_config)) |
| 138 | setup_globals(cache=cache) |
| 139 | return cache |