2013-01-17 22:15:57 +01:00

162 lines
5.0 KiB
Python

# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
#
# 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/>.
from beaker.cache import CacheManager
from beaker.util import parse_cache_config_options
import jinja2
from mediagoblin.tools import staticdirect
from mediagoblin.tools.translate import set_available_locales
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, \
check_db_migrations_current, load_models
from mediagoblin.tools.workbench import WorkbenchManager
from mediagoblin.storage import storage_system_from_config
class Error(Exception):
pass
class ImproperlyConfigured(Error):
pass
def setup_locales():
"""Checks which language translations are available and sets them"""
set_available_locales()
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
# Load all models for media types (plugins, ...)
load_models(app_config)
# Set up the database
db = setup_connection_and_db_from_config(app_config)
check_db_migrations_current(db)
setup_globals(database=db)
return db
def get_jinja_loader(user_template_path=None, current_theme=None,
plugin_template_paths=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.)
"""
path_list = []
# Add user path first--this takes precedence over everything.
if user_template_path is not None:
path_list.append(jinja2.FileSystemLoader(user_template_path))
# Any theme directories in the registry
if current_theme and current_theme.get('templates_dir'):
path_list.append(
jinja2.FileSystemLoader(
current_theme['templates_dir']))
# Add plugin template paths next--takes precedence over
# core templates.
if plugin_template_paths is not None:
path_list.extend((jinja2.FileSystemLoader(path)
for path in plugin_template_paths))
# Add core templates last.
path_list.append(jinja2.PackageLoader('mediagoblin', 'templates'))
return jinja2.ChoiceLoader(path_list)
def get_staticdirector(app_config):
# At minimum, we need the direct_remote_path
if not 'direct_remote_path' in app_config \
or not 'theme_web_path' in app_config:
raise ImproperlyConfigured(
"direct_remote_path and theme_web_path must be provided")
direct_domains = {None: app_config['direct_remote_path'].strip()}
direct_domains['theme'] = app_config['theme_web_path'].strip()
return staticdirect.StaticDirect(
direct_domains)
def setup_storage():
global_config = mg_globals.global_config
key_short = 'publicstore'
key_long = "storage:" + key_short
public_store = storage_system_from_config(global_config[key_long])
key_short = 'queuestore'
key_long = "storage:" + key_short
queue_store = storage_system_from_config(global_config[key_long])
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)
def setup_beaker_cache():
"""
Setup the Beaker Cache manager.
"""
cache_config = mg_globals.global_config['beaker.cache']
cache_config = dict(
[(u'cache.%s' % key, value)
for key, value in cache_config.iteritems()])
cache = CacheManager(**parse_cache_config_options(cache_config))
setup_globals(cache=cache)
return cache