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# Tiny hack to warn user if our migration is out of date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"*WARNING:* Your migrations are out of date, "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