Add bare torrent hash

lambda is probably not the best way to go,
suggestions for improvement are welcome!

nyaa/routes.py

@@ -303,6 +303,7 @@ def render_rss(label, query, use_elastic):
                                     use_elastic=use_elastic,
                                     term=label,
                                     site_url=flask.request.url_root,
+                                    compute_hash=lambda x: base64.b32encode(x).decode('utf-8'),
                                     torrent_query=query)
     response = flask.make_response(rss_xml)
     response.headers['Content-Type'] = 'application/xml'

nyaa/templates/rss.xml

@@ -29,6 +29,7 @@
 			<seeders>{{ torrent.stats.seed_count }}</seeders>
 			<leechers>{{ torrent.stats.leech_count }}</leechers>
 			<downloads>{{ torrent.stats.download_count }}</downloads>
+			<infoHash>{{ compute_hash(torrent.info_hash) }}</infoHash>
 		</item>
 		{% endfor %}
 	</channel>