def post(self, article_key=None):
article = Article.get(article_key)
if article is None or not article.is_active:
return self.error(404)
errors = []
content = self.request.get('content', '').strip()
if not content:
errors.append('Content cannot be empty')
if errors:
return self.render('revision_add.html', locals())
user = self.get_current_user()
rev = ArticleRevision(user=user, article=article,
content=content)
rev.put()
if user == article.creator:
article.current_rev_key = str(rev.key())
article.put()
full_rev_url = urlparse.urljoin(self.request.uri, rev.href())
blip = Blip.new(user, u'edited article %s %s' % (article.title,
full_rev_url))
return self.redirect(article.href())
