[#3196] Add Fanstatic middleware to Flask

Hopefully just temporarily until we can replace it with something
better. This will be tested further on went the url_for stuff is
avaiable as well.

Changed wrong reference in a test

ckan/config/middleware/flask_app.py

@@ -16,6 +16,7 @@
 
 from beaker.middleware import SessionMiddleware
 from paste.deploy.converters import asbool
+from fanstatic import Fanstatic
 
 from ckan.lib import helpers
 from ckan.lib import jinja_extensions
@@ -135,6 +136,27 @@ def hello_world_post():
         if hasattr(plugin, 'get_blueprint'):
             app.register_extension_blueprint(plugin.get_blueprint())
 
+    # Start other middleware
+
+    # Fanstatic
+    if debug:
+        fanstatic_config = {
+            'versioning': True,
+            'recompute_hashes': True,
+            'minified': False,
+            'bottom': True,
+            'bundle': False,
+        }
+    else:
+        fanstatic_config = {
+            'versioning': True,
+            'recompute_hashes': False,
+            'minified': True,
+            'bottom': True,
+            'bundle': True,
+        }
+    app = Fanstatic(app, **fanstatic_config)
+
     # Add a reference to the actual Flask app so it's easier to access
     app._wsgi_app = flask_app
 

ckan/tests/config/test_middleware.py

@@ -96,7 +96,7 @@ def setup_class(cls):
         # Add a custom route to the Flask app
         app = cls._get_test_app()
 
-        flask_app = app.app.apps['flask_app']
+        flask_app = app.flask_app
 
         def test_view():
             return 'This was served from Flask'