added sitemap.xml closes #10

server.py

@@ -399,6 +399,24 @@ def new_featured():
 		return redirect(request.values['ref'])
 	return id,  200
 
+@app.route('/sitemap.xml', methods=['GET'])
+def sitemap():
+	pages=[]
+	# static pages
+	for rule in app.url_map.iter_rules():
+		if 'GET' in rule.methods and len(rule.arguments)==0:
+			if rule.endpoint not in mod_endpoints:
+				pages.append([rule.rule])
+	for i in query('select * from courses where visible and listed'):
+		pages.append([url_for('course',handle=i['handle'])])
+		for j in query('select * from lectures where (course_id = ? and visible)',i['id']):
+			pages.append([url_for('lecture',id=j['id'])])
+
+
+	return Response(render_template('sitemap.xml', pages=pages), 200, {'Content-Type': 'application/atom+xml'} )
+
+
+
 import feeds
 import importer
 import schedule

templates/sitemap.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+	{% for page in pages %}
+	<url>
+		<loc>{{page[0]|safe}}</loc>
+		<lastmod>{{page[1]}}</lastmod>
+	</url>
+	{% endfor %}
+</urlset>