stop using django feedgenerator

blog.py

@@ -9,8 +9,6 @@
 import uuid
 import wsgiref.handlers
 
-from django.utils import feedgenerator
-
 from google.appengine.ext import db
 from google.appengine.api import urlfetch
 from google.appengine.api import users
@@ -63,26 +61,9 @@ def render_string(self, template_name, **kwargs):
     def render(self, template_name, **kwargs):
         format = self.get_argument("format", None)
         if "entries" in kwargs and format == "atom":
-            feed = feedgenerator.Atom1Feed(
-                title=self.application.settings["blog_title"],
-                description=self.application.settings["blog_title"],
-                link=self.request.path,
-                language="en",
-            )
-            for entry in kwargs["entries"]:
-                feed.add_item(
-                    title=entry.title,
-                    link="http://" + self.request.host + "/e/" + entry.slug,
-                    description=entry.body,
-                    author_name=entry.author.nickname(),
-                    pubdate=entry.published,
-                    categories=entry.tags,
-                )
-            data = feed.writeString("utf-8")
             self.set_header("Content-Type", "application/atom+xml")
             self.set_sup_header()
-            self.write(data)
-            return
+            template_name = "feed.html"
         return tornado.web.RequestHandler.render(self, template_name, **kwargs)
 
     def slugify(self, value):
@@ -125,6 +106,18 @@ def ping(self):
             urlfetch.fetch("http://www.feedburner.com/fb/a/pingSubmit?" + args)
         except:
             pass
+        args = urllib.urlencode({
+            "hub.mode": "publish",
+            "hub.url": feed,
+        })
+        headers = {
+            "Content-Type": "application/x-www-form-urlencoded",
+        }
+        try:
+            result = urlfetch.fetch("http://pubsubhubbub.appspot.com/",
+                payload=args, method=urlfetch.POST, headers=headers)
+        except:
+            pass
 
     def get_error_html(self, status_code, **kwargs):
         if status_code == 404:

templates/feed.html

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+{% set date_format = "%Y-%m-%dT%H:%M:%SZ" %}
+{% set title = handler.application.settings["blog_title"] %}
+<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
+  <title type="text">{{ escape(title) }}</title>
+  <id>{{ escape(handler.request.full_url()) }}</id>
+  <updated>{{ max(e.updated for e in entries).strftime(date_format) }}</updated>
+  <link rel="alternate" href="http://{{ handler.request.host + handler.request.path }}" title="{{ escape(title) }}" type="text/html"/>
+  <link rel="self" href="http://{{ handler.request.host + handler.request.path }}?format=atom" title="{{ escape(title) }}" type="application/atom+xml"/>
+  <link rel="hub" href="http://pubsubhubbub.appspot.com/"/>
+  {% for entry in entries %}
+    <entry>
+      <id>tag:www.benjamingolub.com,{{ entry.published.strftime("%Y-%m-%d") }}:/e/{{ entry.slug }}</id>
+      <link href="http://{{ handler.request.host + "/e/" + entry.slug }}" rel="alternate" type="text/html"/>
+      <title type="text">{{ escape(entry.title) }}</title>
+      <updated>{{ entry.updated.strftime(date_format) }}</updated>
+      <published>{{ entry.published.strftime(date_format) }}</published>
+      <author><name>{{ escape(entry.author.nickname()) }}</name></author>
+      <content type="html">{{ escape(entry.body) }}</content>
+      {% for tag in entry.tags %}
+        <category term="{{ escape(tag) }}"></category>
+      {% end %}
+    </entry>
+  {% end %}
+</feed>