# GNU MediaGoblin -- federated, autonomous media hosting
-# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
+# 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
import os
import urllib
+import logging
import routes
from webob import Request, exc
-from mediagoblin import routing, middleware
-from mediagoblin.tools import common, translate, template, response
+from mediagoblin import routing, meddleware, __version__
+from mediagoblin.tools import common, translate, template
+from mediagoblin.tools.response import render_404
+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_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
##########################################
+ # 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()
+ # 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.routing = routing.get_mapper(PluginManager().get_routes())
# set up staticdirector tool
self.staticdirector = get_staticdirector(app_config)
# 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()
- # instantiate application middleware
- self.middleware = [common.import_component(m)(self)
- for m in middleware.ENABLED_MIDDLEWARE]
-
+ # instantiate application meddleware
+ self.meddleware = [common.import_component(m)(self)
+ for m in meddleware.ENABLED_MEDDLEWARE]
- def __call__(self, environ, start_response):
+ def call_backend(self, environ, start_response):
request = Request(environ)
- # pass the request through our middleware classes
- for m in self.middleware:
- response = m.process_request(request)
- if response is not None:
- return response(environ, start_response)
-
## Routing / controller loading stuff
path_info = request.path_info
route_match = self.routing.match(path_info)
+ # 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_info
+ # 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)
# Okay, no matches. 404 time!
request.matchdict = {} # in case our template expects it
- return response.render_404(request)(environ, start_response)
+ return render_404(request)(environ, start_response)
+
+ # import the controller, or if it's already a callable, call that
+ route_controller = route_match['controller']
+ if isinstance(route_controller, unicode) \
+ or isinstance(route_controller, str):
+ controller = common.import_component(route_match['controller'])
+ else:
+ controller = route_match['controller']
+
+ # pass the request through our meddleware classes
+ for m in self.meddleware:
+ response = m.process_request(request, controller)
+ if response is not None:
+ return response(environ, start_response)
- controller = common.import_component(route_match['controller'])
request.start_response = start_response
# get the response from the controller
response = controller(request)
- # pass the response through the middleware
- for m in self.middleware[::-1]:
+ # pass the response through the meddleware
+ for m in self.meddleware[::-1]:
m.process_response(request, response)
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