154 lines
5.2 KiB
Python
154 lines
5.2 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from beaker.cache import CacheManager
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from beaker.util import parse_cache_config_options
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import jinja2
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from mediagoblin import staticdirect
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from mediagoblin.init.config import (
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read_mediagoblin_config, generate_validation_report)
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from mediagoblin import mg_globals
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from mediagoblin.mg_globals import setup_globals
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from mediagoblin.db.open import setup_connection_and_db_from_config
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from mediagoblin.db.util import MigrationManager
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from mediagoblin.workbench import WorkbenchManager
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from mediagoblin.storage import storage_system_from_config
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class Error(Exception): pass
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class ImproperlyConfigured(Error): pass
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def setup_global_and_app_config(config_path):
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global_config, validation_result = read_mediagoblin_config(config_path)
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app_config = global_config['mediagoblin']
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# report errors if necessary
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validation_report = generate_validation_report(
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global_config, validation_result)
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if validation_report:
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raise ImproperlyConfigured(validation_report)
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setup_globals(
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app_config=app_config,
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global_config=global_config)
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return global_config, app_config
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def setup_database():
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app_config = mg_globals.app_config
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# This MUST be imported so as to set up the appropriate migrations!
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from mediagoblin.db import migrations
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# Set up the database
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connection, db = setup_connection_and_db_from_config(app_config)
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# Init the migration number if necessary
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migration_manager = MigrationManager(db)
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migration_manager.install_migration_version_if_missing()
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# Tiny hack to warn user if our migration is out of date
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if not migration_manager.database_at_latest_migration():
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db_migration_num = migration_manager.database_current_migration()
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latest_migration_num = migration_manager.latest_migration()
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if db_migration_num < latest_migration_num:
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print (
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"*WARNING:* Your migrations are out of date, "
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"maybe run ./bin/gmg migrate?")
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elif db_migration_num > latest_migration_num:
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print (
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"*WARNING:* Your migrations are out of date... "
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"in fact they appear to be from the future?!")
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setup_globals(
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db_connection = connection,
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database = db)
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return connection, db
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def get_jinja_loader(user_template_path=None):
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"""
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Set up the Jinja template loaders, possibly allowing for user
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overridden templates.
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(In the future we may have another system for providing theming;
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for now this is good enough.)
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"""
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if user_template_path:
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return jinja2.ChoiceLoader(
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[jinja2.FileSystemLoader(user_template_path),
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jinja2.PackageLoader('mediagoblin', 'templates')])
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else:
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return jinja2.PackageLoader('mediagoblin', 'templates')
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def get_staticdirector(app_config):
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if app_config.has_key('direct_remote_path'):
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return staticdirect.RemoteStaticDirect(
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app_config['direct_remote_path'].strip())
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elif app_config.has_key('direct_remote_paths'):
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direct_remote_path_lines = app_config[
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'direct_remote_paths'].strip().splitlines()
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return staticdirect.MultiRemoteStaticDirect(
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dict([line.strip().split(' ', 1)
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for line in direct_remote_path_lines]))
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else:
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raise ImproperlyConfigured(
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"One of direct_remote_path or "
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"direct_remote_paths must be provided")
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def setup_storage():
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global_config = mg_globals.global_config
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key_short = 'publicstore'
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key_long = "storage:" + key_short
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public_store = storage_system_from_config(global_config[key_long])
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key_short = 'queuestore'
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key_long = "storage:" + key_short
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queue_store = storage_system_from_config(global_config[key_long])
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setup_globals(
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public_store = public_store,
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queue_store = queue_store)
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return public_store, queue_store
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def setup_workbench():
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app_config = mg_globals.app_config
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workbench_manager = WorkbenchManager(app_config['workbench_path'])
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setup_globals(workbench_manager = workbench_manager)
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def setup_beaker_cache():
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"""
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Setup the Beaker Cache manager.
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"""
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cache_config = mg_globals.global_config['beaker.cache']
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cache_config = dict(
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[(u'cache.%s' % key, value)
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for key, value in cache_config.iteritems()])
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cache = CacheManager(**parse_cache_config_options(cache_config))
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setup_globals(cache=cache)
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return cache
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