Better asset handling

app.py

@@ -3,19 +3,37 @@
 import tornado.ioloop
 import tornado.web
 import os
+from webassets import Environment, Bundle
+
+# Set up assets.
+static_path = os.path.join(os.path.dirname(__file__), "static")
+scss_path = os.path.join(os.path.dirname(__file__), "scss")
+assets = Environment(directory=scss_path, url='/static')
+css = Bundle('atat.scss', output='assets/out.css')
+assets.register('css', css)
+helpers = {
+    'assets': assets
+}
 
 class MainHandler(tornado.web.RequestHandler):
+
+    def get_template_namespace(self):
+        ns = super(MainHandler, self).get_template_namespace()
+        ns.update(helpers)
+        return ns
+
     def get(self):
         self.render("hello.html.to")
 
 def make_app():
-    return tornado.web.Application([
+    app  = tornado.web.Application([
         (r"/", MainHandler),
     ],
     debug=os.getenv('DEBUG',False),
     template_path=os.path.join(os.path.dirname(__file__), "templates"),
-    static_path=os.path.join(os.path.dirname(__file__), "static"),
+    static_path=static_path
     )
+    return app
 
 if __name__ == "__main__":
     app = make_app()