Longform by David Blackman. Fixes #405 (New news feed)

resources/recipes/longform_org.recipe

@@ -0,0 +1,30 @@
+from calibre.web.feeds.news import BasicNewsRecipe
+from calibre.ebooks.BeautifulSoup import BeautifulSoup
+
+class LongForm(BasicNewsRecipe):
+   title          = u'Longform.org'
+   language       = 'en'
+   description = '''
+   Longform.org posts new and classic non-fiction articles, curated from across
+   the web, that are too long and too interesting to be read on a web browser.
+   '''
+   __author__     = 'David Blackman'
+   oldest_article = 7 #days
+   max_articles_per_feed = 25
+   no_stylesheets = True
+
+   cover_url = 'http://longform.org/wp-content/themes/grid_focus/images/longform_flag.jpg'
+
+   feeds = [(u'All', u'http://longform.org/feed/')]
+
+   def get_article_url(self, article):
+     url = article.get('link')
+     raw = self.browser.open(url).read()
+     soup = BeautifulSoup(raw.decode('utf8', 'replace'))
+
+     # this might be more reliable:      <a href="http://www.addtoany.com/add_to/tumblr?linkurl=http://english.aljazeera.net/indepth/opinion/2011/02/20112101030726228.html&amp;linkname=WhyEgypt&#8217;s Progressives Win%20%5Bvia%20Longform.org%5D" target="blank"><img src="http://longform.org/wp-content/themes/grid_focus/images/tumblr.png" border="0px">Tumblr</a>
+
+     share_links = soup.findAll('a', {'class': 'twitter-share-button'})
+     if (len(share_links)):
+       return share_links[-1].get('data-url')
+     return None