tried to add content negotiation

todo.py

@@ -3,6 +3,14 @@
 from couchdbkit import Server, Document, StringProperty
 from couchdbkit.designer import push
 
+try:
+    import simplejson as json
+except ImportError:
+    import json
+import mimerender
+
+mimerender = mimerender.BottleMimeRender()
+
 couch = Server()
 db = couch.get_or_create_db('simple-todo')
 
@@ -30,20 +38,40 @@ def index():
     todolist.save()
     redirect('/%s/' % todolist['_id'])
 
+render_json = lambda **x: json.dumps({"lists": [l['_id'] for l in x["lists"]]})
+render_html = lambda **x: template('list', lists=x["lists"])
+render_txt = lambda **x: "\n".join([l['_id'] for l in x["lists"]])
+
 @route('/l/')
+@mimerender(
+    default = 'html',
+    html = render_html,
+    json = render_json,
+    txt  = render_txt
+)
 def todolists():
     lists = TodoList.view('todolist/all')
-    return template('list', lists=lists)
+    return {"lists": lists}
+
+render_json = lambda **x: json.dumps(x)
+render_html = lambda **x: template('index', todos=x["todos"])
+render_txt = lambda **x: "\n".join([y["title"] for y in x["todos"]])
 
 @route('/:list_id/')
+@mimerender(
+    default = 'html',
+    html = render_html,
+    json = render_json,
+    txt  = render_txt
+)
 def todolist(list_id):
     todolist = TodoList.get_or_create(list_id)
     all_todos = Todo.view('todo/all')
     todos = []
     for todo in all_todos:
         if todo.todolist == todolist['_id']:
-            todos.append(todo)
-    return template('index', todos=todos)
+            todos.append(dict(todo, id=todo['_id']))
+    return {"todos": todos}
 
 @route('/:list_id/add', method='POST')
 def add(list_id):

views/index.tpl

@@ -44,17 +44,17 @@
                         %for t in todos:
                             <li>
                                 <div class="alert-box">
-                                    %if t.priority == 'lazy':
+                                    %if t["priority"] == 'lazy':
                                         <span class="blue radius label">lazy</span>
                                     %end
-                                    %if t.priority == 'soon':
+                                    %if t["priority"] == 'soon':
                                         <span class="red radius label">soon</span>
                                     %end
-                                    %if t.priority == 'now':
+                                    %if t["priority"] == 'now':
                                         <span class="black radius label">now</span>
                                     %end
-                                    {{ t.title }}
-                                    <a href="#" class="delete" id="todo-{{ t['_id'] }}">&times;</a>
+                                    {{ t["title"] }}
+                                    <a href="#" class="delete" id="todo-{{ t['id'] }}">&times;</a>
                                 </div>
                             </li>
                         %end