add canonical links and descriptions to the meta tags

r2/r2/controllers/listingcontroller.py

@@ -95,6 +95,7 @@ class ListingController(RedditController):
                                show_sidebar = self.show_sidebar, 
                                nav_menus = self.menus, 
                                title = self.title(),
+                               description = c.site.description,
                                infotext = self.infotext,
                                **self.render_params).render()
         return res

r2/r2/lib/pages/pages.py

@@ -78,9 +78,12 @@ class Reddit(Wrapped):
 
     def __init__(self, space_compress = True, nav_menus = None, loginbox = True,
                  infotext = '', content = None, title = '', robots = None, 
-                 show_sidebar = True, **context):
+                 canonical = None, description = None, show_sidebar = True,
+                 **context):
         Wrapped.__init__(self, **context)
         self.title          = title
+        self.description    = description
+        self.canonical      = canonical
         self.robots         = robots
         self.infotext       = infotext
         self.loginbox       = True
@@ -432,7 +435,9 @@ class LinkInfoPage(Reddit):
         self.link = self.link_listing.things[0]
 
         link_title = ((self.link.title) if hasattr(self.link, 'title') else '')
+        canonical = "%s%s" % (add_sr(self.link.permalink), "?sort=top")
         if comment:
+            canonical = "%s%s" % (add_sr(comment.make_permalink_slow()), "?sort=top")
             if comment._deleted and not c.user_is_admin:
                 author = _("[deleted]")
             else:
@@ -443,7 +448,7 @@ class LinkInfoPage(Reddit):
         else:
             params = {'title':_force_unicode(link_title), 'site' : c.site.name}
             title = strings.link_info_title % params
-        Reddit.__init__(self, title = title, *a, **kw)
+        Reddit.__init__(self, title = title, canonical=canonical, *a, **kw)
 
     def build_toolbars(self):
         base_path = "/%s/%s/" % (self.link._id36, title_to_url(self.link.title))

r2/r2/templates/base.html

@@ -33,6 +33,7 @@
     
     <meta name="keywords" content="${self.keywords()}" />
     <meta name="title" content="${self.Title()}" />
+    ${self.Description()}
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
     ${self.robots()}
     
@@ -73,6 +74,9 @@
 ${title}
 </%def>
 
+<%def name="Description()">
+</%def>
+
 <%def name="keywords()">
 reddit, reddit.com, vote, comment, submit
 </%def>

r2/r2/templates/reddit.html

@@ -36,6 +36,12 @@
   %endif
 </%def>
 
+<%def name="Description()">
+  %if thing.description:
+    <meta name="description" content="${thing.description}" />
+  %endif
+</%def>
+
 <%def name="stylesheet()">
   <% from r2.lib.template_helpers import static, get_domain %>
 
@@ -73,6 +79,9 @@
     <link rel="alternate" type="application/rss+xml" title="RSS"
           href="${add_sr(join_urls(request.path,'.rss'))}" />
   %endif
+  %if thing.canonical:
+    <link rel="canonical" href="${thing.canonical}" />
+  %endif
 </%def>
 
 <%def name="javascript()">