web: Add base controllers

src/rouse/web/controllers.py

@@ -0,0 +1,26 @@
+from __future__ import unicode_literals
+from . import model
+import milla.controllers
+import sqlalchemy
+
+
+# pylint: disable=too-few-public-methods
+
+class SQLAlchemyController(milla.controllers.Controller):
+
+    def __before__(self, request):
+        super(SQLAlchemyController, self).__before__(request)
+        request.db = model.Session(
+            bind=sqlalchemy.engine_from_config(request.config, 'sqlalchemy.'),
+        )
+
+    def __after__(self, request):
+        super(SQLAlchemyController, self).__after__(request)
+        if hasattr(request, 'db') and request.db:
+            request.db.close()
+            del request.db
+
+
+class BaseController(milla.controllers.HTTPVerbController,
+                     SQLAlchemyController):
+    pass