# GNU MediaGoblin -- federated, autonomous media hosting
-# Copyright (C) 2011 Free Software Foundation, Inc
+# 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
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
-import urllib
+import logging
-import routes
-from webob import Request, exc
+from mediagoblin.routing import get_url_map
+from mediagoblin.tools.routing import endpoint_to_controller
-from mediagoblin import routing, util
+from werkzeug.wrappers import Request
+from werkzeug.exceptions import HTTPException, NotFound
+from werkzeug.routing import RequestRedirect
+
+from mediagoblin import meddleware, __version__
+from mediagoblin.tools import common, translate, template
+from mediagoblin.tools.response import render_http_exception
+from mediagoblin.tools.theme import register_themes
+from mediagoblin.tools import request as mg_request
from mediagoblin.mg_globals import setup_globals
from mediagoblin.init.celery import setup_celery_from_config
+from mediagoblin.init.plugins import setup_plugins
from mediagoblin.init import (get_jinja_loader, get_staticdirector,
- setup_global_and_app_config, setup_workbench, setup_database,
- setup_storage)
+ setup_global_and_app_config, setup_locales, setup_workbench, setup_database,
+ setup_storage, setup_beaker_cache)
+from mediagoblin.tools.pluginapi import PluginManager
+
+
+_log = logging.getLogger(__name__)
class MediaGoblinApp(object):
(Note: setting 'celery_setup_elsewhere' also disables
setting up celery.)
"""
+ _log.info("GNU MediaGoblin %s main server starting", __version__)
+ _log.debug("Using config file %s", config_path)
##############
# Setup config
##############
# Setup other connections / useful objects
##########################################
+ # load all available locales
+ setup_locales()
+
+ # Set up plugins -- need to do this early so that plugins can
+ # affect startup.
+ _log.info("Setting up plugins.")
+ setup_plugins()
+
# Set up the database
- self.connection, self.db = setup_database()
+ self.db = setup_database()
+
+ # Register themes
+ self.theme_registry, self.current_theme = register_themes(app_config)
# Get the template environment
self.template_loader = get_jinja_loader(
- app_config.get('user_template_path'))
-
+ app_config.get('local_templates'),
+ self.current_theme,
+ PluginManager().get_template_paths()
+ )
+
# Set up storage systems
self.public_store, self.queue_store = setup_storage()
# set up routing
- self.routing = routing.get_mapper()
+ self.url_map = get_url_map()
# set up staticdirector tool
self.staticdirector = get_staticdirector(app_config)
+ # set up caching
+ self.cache = setup_beaker_cache()
+
# Setup celery, if appropriate
if setup_celery and not app_config.get('celery_setup_elsewhere'):
- if os.environ.get('CELERY_ALWAYS_EAGER'):
+ if os.environ.get('CELERY_ALWAYS_EAGER', 'false').lower() == 'true':
setup_celery_from_config(
app_config, global_config,
force_celery_always_eager=True)
# object.
#######################################################
- setup_globals(app = self)
+ setup_globals(app=self)
# Workbench *currently* only used by celery, so this only
# matters in always eager mode :)
setup_workbench()
- def __call__(self, environ, start_response):
+ # instantiate application meddleware
+ self.meddleware = [common.import_component(m)(self)
+ for m in meddleware.ENABLED_MEDDLEWARE]
+
+ def call_backend(self, environ, start_response):
request = Request(environ)
- path_info = request.path_info
+
+ # Compatibility with django, use request.args preferrably
+ request.GET = request.args
## Routing / controller loading stuff
- route_match = self.routing.match(path_info)
+ map_adapter = self.url_map.bind_to_environ(request.environ)
+
+ # By using fcgi, mediagoblin can run under a base path
+ # like /mediagoblin/. request.path_info contains the
+ # path inside mediagoblin. If the something needs the
+ # full path of the current page, that should include
+ # the basepath.
+ # Note: urlgen and routes are fine!
+ request.full_path = environ["SCRIPT_NAME"] + request.path
+ # python-routes uses SCRIPT_NAME. So let's use that too.
+ # The other option would be:
+ # request.full_path = environ["SCRIPT_URL"]
+
+ # Fix up environ for urlgen
+ # See bug: https://bitbucket.org/bbangert/routes/issue/55/cache_hostinfo-breaks-on-https-off
+ if environ.get('HTTPS', '').lower() == 'off':
+ environ.pop('HTTPS')
## Attach utilities to the request object
- request.matchdict = route_match
- request.urlgen = routes.URLGenerator(self.routing, environ)
# Do we really want to load this via middleware? Maybe?
request.session = request.environ['beaker.session']
# Attach self as request.app
# Also attach a few utilities from request.app for convenience?
request.app = self
- request.locale = util.get_locale_from_request(request)
-
- request.template_env = util.get_jinja_env(
- self.template_loader, request.locale)
+
request.db = self.db
request.staticdirect = self.staticdirector
- util.setup_user_in_request(request)
-
- # No matching page?
- if route_match is None:
- # Try to do see if we have a match with a trailing slash
- # added and if so, redirect
- if not path_info.endswith('/') \
- and request.method == 'GET' \
- and self.routing.match(path_info + '/'):
- new_path_info = path_info + '/'
- if request.GET:
- new_path_info = '%s?%s' % (
- new_path_info, urllib.urlencode(request.GET))
- redirect = exc.HTTPFound(location=new_path_info)
- return request.get_response(redirect)(environ, start_response)
-
- # Okay, no matches. 404 time!
- request.matchdict = {} # in case our template expects it
- return util.render_404(request)(environ, start_response)
-
- controller = util.import_component(route_match['controller'])
+ request.locale = translate.get_locale_from_request(request)
+ request.template_env = template.get_jinja_env(
+ self.template_loader, request.locale)
+
+ def build_proxy(endpoint, **kw):
+ try:
+ qualified = kw.pop('qualified')
+ except KeyError:
+ qualified = False
+
+ return map_adapter.build(
+ endpoint,
+ values=dict(**kw),
+ force_external=qualified)
+
+ request.urlgen = build_proxy
+
+ mg_request.setup_user_in_request(request)
+
+ try:
+ found_rule, url_values = map_adapter.match(return_rule=True)
+ request.matchdict = url_values
+ except RequestRedirect as response:
+ # Deal with 301 responses eg due to missing final slash
+ return response(environ, start_response)
+ except HTTPException as exc:
+ # Stop and render exception
+ return render_http_exception(
+ request, exc,
+ exc.get_description(environ))(environ, start_response)
+
+ controller = endpoint_to_controller(found_rule)
+
+ # pass the request through our meddleware classes
+ try:
+ for m in self.meddleware:
+ response = m.process_request(request, controller)
+ if response is not None:
+ return response(environ, start_response)
+ except HTTPException as e:
+ return render_http_exception(
+ request, e,
+ e.get_description(environ))(environ, start_response)
+
request.start_response = start_response
- return controller(request)(environ, start_response)
+ # get the Http response from the controller
+ try:
+ response = controller(request)
+ except HTTPException as e:
+ response = render_http_exception(
+ request, e, e.get_description(environ))
+
+ # pass the response through the meddlewares
+ try:
+ for m in self.meddleware[::-1]:
+ m.process_response(request, response)
+ except HTTPException as e:
+ response = render_http_exeption(
+ request, e, e.get_description(environ))
+
+ return response(environ, start_response)
+
+ def __call__(self, environ, start_response):
+ ## If more errors happen that look like unclean sessions:
+ # self.db.check_session_clean()
+
+ try:
+ return self.call_backend(environ, start_response)
+ finally:
+ # Reset the sql session, so that the next request
+ # gets a fresh session
+ self.db.reset_after_request()
def paste_app_factory(global_config, **app_config):
- mgoblin_app = MediaGoblinApp(app_config['config'])
+ configs = app_config['config'].split()
+ mediagoblin_config = None
+ for config in configs:
+ if os.path.exists(config) and os.access(config, os.R_OK):
+ mediagoblin_config = config
+ break
+
+ if not mediagoblin_config:
+ raise IOError("Usable mediagoblin config not found.")
+
+ mgoblin_app = MediaGoblinApp(mediagoblin_config)
return mgoblin_app
projects / mediagoblin.git / blobdiff