Merge remote branch 'remotes/macno/pushatom'

* remotes/macno/pushatom:
  As per spec, we permit to have more then 1 hub
  As suggested by Elrond, we use only one setting
  Default is now PuSH disabled
  Added PuSH capability

mediagoblin/config_spec.ini

@@ -50,6 +50,8 @@ allow_attachments = boolean(default=False)
 # Cookie stuff
 csrf_cookie_name = string(default='mediagoblin_csrftoken')
 
+# Push stuff
+push_urls = string_list(default=list())
 
 [storage:publicstore]
 storage_class = string(default="mediagoblin.storage.filestorage:BasicFileStorage")

mediagoblin/submit/views.py

@@ -20,6 +20,7 @@ from os.path import splitext
 from cgi import FieldStorage
 
 from celery import registry
+import urllib,urllib2
 
 from werkzeug.utils import secure_filename
 
@@ -125,6 +126,21 @@ def submit_start(request):
                     # re-raise the exception
                     raise
 
+                if mg_globals.app_config["push_urls"]:
+                    feed_url=request.urlgen(
+                                       'mediagoblin.user_pages.atom_feed',
+                                       qualified=True,user=request.user.username)
+                    hubparameters = {
+                            'hub.mode': 'publish',
+                            'hub.url': feed_url}
+                    hubdata = urllib.urlencode(hubparameters)
+                    hubheaders = {
+                        "Content-type": "application/x-www-form-urlencoded",
+                        "Connection": "close"}
+                    for huburl in mg_globals.app_config["push_urls"]:
+                        hubrequest = urllib2.Request(huburl, hubdata,hubheaders)
+                        hubresponse = urllib2.urlopen(hubrequest)
+
                 add_message(request, SUCCESS, _('Woohoo! Submitted!'))
 
                 return redirect(request, "mediagoblin.user_pages.user_home",

mediagoblin/user_pages/views.py

@@ -228,16 +228,25 @@ def atom_feed(request):
     """
     ATOM feed id is a tag URI (see http://en.wikipedia.org/wiki/Tag_URI)
     """
+    atomlinks = [{
+           'href': request.urlgen(
+               'mediagoblin.user_pages.user_home',
+               qualified=True,user=request.matchdict['user']),
+           'rel': 'alternate',
+           'type': 'text/html'
+           }];
+    if mg_globals.app_config["push_urls"]:
+        for push_url in mg_globals.app_config["push_urls"]:
+            atomlinks.append({
+                'rel': 'hub',
+                'href': push_url})
+
     feed = AtomFeed(
                "MediaGoblin: Feed for user '%s'" % request.matchdict['user'],
                feed_url=request.url,
                id='tag:'+request.host+',2011:gallery.user-'+request.matchdict['user'],
-               links=[{
+               links=atomlinks)
-                   'href': request.urlgen(
+
-                       'mediagoblin.user_pages.user_home',
-                       qualified=True,user=request.matchdict['user']),
-                   'rel': 'alternate',
-                   'type': 'text/html'}])
 
     for entry in cursor:
         feed.add(entry.get('title'),