Add Google Reader recipe (thanks to davec)

src/libprs500/web/feeds/recipes/__init__.py

@@ -4,8 +4,10 @@ __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 '''
 Builtin recipes.
 '''
-recipes = ['newsweek', 'atlantic', 'economist', 'dilbert', 'portfolio', 
-           'nytimes', 'usatoday', 'outlook_india', 'bbc']
+recipes = [
+           'newsweek', 'atlantic', 'economist', 'dilbert', 'portfolio', 
+           'nytimes', 'usatoday', 'outlook_india', 'bbc', 'greader',
+          ]
 
 import re, imp, inspect, time
 from libprs500.web.feeds.news import BasicNewsRecipe, CustomIndexRecipe, AutomaticNewsRecipe

src/libprs500/web/feeds/recipes/greader.py

@@ -0,0 +1,36 @@
+import urllib, re, mechanize
+from libprs500.web.feeds.recipes import BasicNewsRecipe
+from libprs500 import __appname__
+
+class GoogleReader(BasicNewsRecipe):
+    title   = 'Google Reader'
+    description = 'This recipe downloads feeds you have tagged from your Google Reader account.'
+    needs_subscription = True
+    __author__ = 'davec'
+    base_url = 'http://www.google.com/reader/atom/'
+    max_articles_per_feed = 50
+    get_options = '?n=%d&xt=user/-/state/com.google/read' % max_articles_per_feed
+    use_embedded_content = True
+
+    def get_browser(self):
+        br = BasicNewsRecipe.get_browser()
+
+        if self.username is not None and self.password is not None:
+            request = urllib.urlencode([('Email', self.username), ('Passwd', self.password),
+                                        ('service', 'reader'), ('source', __appname__)])
+            response = br.open('https://www.google.com/accounts/ClientLogin', request)
+            sid = re.search('SID=(\S*)', response.read()).group(1)
+
+            cookies = mechanize.CookieJar()
+            br = mechanize.build_opener(mechanize.HTTPCookieProcessor(cookies))
+            cookies.set_cookie(mechanize.Cookie(None, 'SID', sid, None, False, '.google.com', True, True, '/', True, False, None, True, '', '', None))
+        return br
+
+
+    def get_feeds(self):
+        feeds = []
+        soup = self.index_to_soup('http://www.google.com/reader/api/0/tag/list')
+        for id in soup.findAll(True, attrs={'name':['id']}):
+            url = id.contents[0]
+            feeds.append((re.search('/([^/]*)$', url).group(1), self.base_url + urllib.quote(url) + self.get_options))
+        return feeds