Noissue - Use latest stable AMO api

sitescripts/extensions/utils.py

 # This file is part of the Adblock Plus web scripts,
 # Copyright (C) 2006-present eyeo GmbH
 #
 # Adblock Plus is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
 # published by the Free Software Foundation.
 #
 # Adblock Plus is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ skipping 259 matching lines @@
         except ExpatError as err:
             exception = Exception('Error {0} while parsing xml:\n{1}\nfrom {2}'
                                   .format(err, content, url))
     raise exception
 
 
 def _getMozillaDownloadLink(galleryID):
     """
     gets download link for a Gecko add-on from the Mozilla Addons site
     """
-    url = 'https://services.addons.mozilla.org/en-US/firefox/api/1/addon/%s' % _urlencode(galleryID)
-    document = _parseXMLDocument(url)
-    linkTags = document.getElementsByTagName('install')
-    linkTag = linkTags[0] if len(linkTags) > 0 else None
-    versionTags = document.getElementsByTagName('version')
-    versionTag = versionTags[0] if len(versionTags) > 0 else None
-    if linkTag and versionTag and linkTag.firstChild and versionTag.firstChild:
-        return (linkTag.firstChild.data, versionTag.firstChild.data)
-    else:
-        return (None, None)
+    url = 'https://addons.mozilla.org/api/v3/addons/addon/' + galleryID
+    with _urlopen(url) as data:
+        result = json.load(data)
+
+    return (
+        result['current_version']['files'][0]['url'],
+        result['current_version']['version']
+    )
 
 
 def _getLocalLink(repo):
     """
     gets the link for the newest download of an add-on in the local downloads
     repository
     """
     highestURL = None
     highestVersion = None
 
@@ skipping 97 matching lines @@
     if not extensions:
         return
 
     updates = {}
     for extension in extensions:
         updates[extension['basename']] = {
             'url': extension['updateURL'],
             'version': extension['version'],
         }
     writeLibabpUpdateManifest(path, updates)