Added RSS/Atom generator

requirements.txt

 anytree==2.4.3
-six==1.11.0
+feedgen==0.7.0
+python-slugify==1.2.6

rss.py

+from feedgen.feed import FeedGenerator
+from slugify import slugify
+from json import load
+import dateutil.parser
+
+data = load(open('weather.json','r'))
+
+def df(date):
+  dt = dateutil.parser.parse(date)
+  return dt.strftime("%d/%m/%Y à %Hh%M")
+
+fg = FeedGenerator()
+fg.id('https://support.unistra.fr/')
+fg.title('Maintenance des services numériques')
+fg.subtitle('Annonces de la Direction du Numérique')
+fg.link(href='https://support.unistra.fr/#go-weather')
+fg.language('fr')
+fg.link(href='https://support.unistra.fr/atom.php', rel='self')
+fg.author(name='Direction du Numérique', email='support@unistra.fr')
+fg.logo('http://www.unistra.fr/fileadmin/templates/unistra/images/uds_ico.ico')
+
+for item in data:
+  fe = fg.add_entry()
+  title=item['title']
+  fe.title(title)
+  fe.id(slugify(title))
+  content = "<p><b>Date de début : </b>{}</p><p><b>Date de fin : </b>{}</p>{}".format(df(item['start']), df(item['end']), item['content'])
+  fe.description(content)
+  fe.pubDate(item['start'])
+
+rssfeed  = fg.rss_str(pretty=True)
+fg.rss_file('rss.xml')
+
+atomfeed = fg.atom_str(pretty=True)
+fg.atom_file('atom.xml')