Add RSS Feed example

examples/rss_feed.py

@@ -0,0 +1,33 @@
+from tag import XMLDocument
+from datetime import datetime
+from collections import namedtuple
+
+
+def get_posts():
+    Post = namedtuple('Post', ['title', 'description'])
+
+    return [
+        Post('Post1', 'Description1'),
+        Post('Post2', 'Description2'),
+    ]
+
+
+doc = XMLDocument('rss', attrs={
+    'xmlns:atom': 'http://www.w3.org/2005/Atom',
+    'version': '2.0',
+})
+
+with doc.channel():
+    doc.title('Hacker News')
+    doc.link('https://news.ycombinator.com/')
+    doc.description('Links for the intellectually curious, ranked by readers.')
+    now = datetime.now().isoformat()
+    doc.pubDate(now)
+
+    for post in get_posts():
+        with doc.item():
+            doc.title(post.title)
+            doc.description(post.description)
+            doc.pubDate(now)
+
+print(doc.render())