Create load_models().

[mediagoblin.git] / mediagoblin / init / __init__.py

diff --git a/mediagoblin/init/__init__.py b/mediagoblin/init/__init__.py
index b8ed2456c8fe3c885dc72e93cc298a31490ec41b..1d8115cbec9b4fc6bec8e3b6be3f7ad43278e6a2 100644 (file)
--- a/mediagoblin/init/__init__.py
+++ b/mediagoblin/init/__init__.py
@@ -1,5 +1,5 @@
 # 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
@@ -14,8 +14,62 @@
 # 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 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, \
+    check_db_migrations_current, load_models
+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
+
+    # Load all models for media types (plugins, ...)
+    load_models(app_config)
+
+    # Set up the database
+    connection, db = setup_connection_and_db_from_config(app_config)
+
+    check_db_migrations_current(db)
+
+    setup_globals(
+        db_connection=connection,
+        database=db)
+
+    return connection, db
+
 
 def get_jinja_loader(user_template_path=None):
     """
@@ -31,3 +85,58 @@ def get_jinja_loader(user_template_path=None):
              jinja2.PackageLoader('mediagoblin', 'templates')])
     else:
         return jinja2.PackageLoader('mediagoblin', 'templates')
+
+
+def get_staticdirector(app_config):
+    if 'direct_remote_path' in app_config:
+        return staticdirect.RemoteStaticDirect(
+            app_config['direct_remote_path'].strip())
+    elif 'direct_remote_paths' in app_config:
+        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():
+    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