Fixed the automatic updation bug of updated time on regenerate.

Now the updated time is modified on an edit post. Thus correctly
generating atom.xml.

handlers.py

@@ -90,12 +90,14 @@ def post(self, post):
                     initial={'draft': post and post.published is None})
     if form.is_valid():
       post = form.save(commit=False)
-      if form.clean_data['draft']:
+      if form.clean_data['draft']:# Draft post
         post.published = datetime.datetime.max
         post.put()
       else:
-        if not post.path:
-          post.published = datetime.datetime.now()
+        if not post.path: # Publish post
+          post.updated = post.published = datetime.datetime.now()
+        else:# Edit post
+          post.updated = datetime.datetime.now()
         post.publish()
       self.render_to_response("published.html", {
           'post': post,

models.py

@@ -26,7 +26,7 @@ class BlogPost(db.Model):
   body = db.TextProperty(required=True)
   tags = aetycoon.SetProperty(basestring, indexed=False)
   published = db.DateTimeProperty()
-  updated = db.DateTimeProperty(auto_now=True)
+  updated = db.DateTimeProperty(auto_now=False)
   deps = aetycoon.PickleProperty()
 
   @aetycoon.TransformProperty(tags)