Added Opera extension type

sitescripts/extensions/bin/updateDownloadLinks.py

 # coding: utf-8
 
 # This file is part of the Adblock Plus web scripts,
 # Copyright (C) 2006-2012 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
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
 
 """
 Update the list of extenstions
 ==============================
 
   This script generates a list of extensions and saves these with download links
   and version information
 """
 
-import os, urllib, urlparse, subprocess, time
+import os, re, urllib, urllib2, urlparse, subprocess, time
 import xml.dom.minidom as dom
 from ConfigParser import SafeConfigParser
 from StringIO import StringIO
 from sitescripts.utils import get_config, get_template
 from sitescripts.extensions.utils import compareVersions, Configuration
 from buildtools.packagerGecko import KNOWN_APPS
 
 def urlencode(value):
   return urllib.quote(value.encode('utf-8'), '')
 
@@ skipping 33 matching lines @@
   url = 'https://clients2.google.com/service/update2/crx?x=%s' % urlencode(param)
   contents = urlopen(url).read()
   document = dom.parseString(contents)
   updateTags = document.getElementsByTagName('updatecheck')
   updateTag = updateTags[0] if len(updateTags) > 0 else None
   if updateTag and updateTag.hasAttribute('codebase') and updateTag.hasAttribute('version'):
     return (updateTag.getAttribute('codebase'), updateTag.getAttribute('version'))
   else:
     return (None, None)
 
+def getOperaDownloadLink(galleryID):
+  """
+  gets download link for an Opera add-on from the Opera Addons site
+  """
+  class HeadRequest(urllib2.Request):
+    def get_method(self):
+      return "HEAD"
+
+  url = 'https://addons.opera.com/extensions/download/%s/' % urlencode(galleryID)
+  response = urllib2.urlopen(HeadRequest(url))
+  content_disposition = response.info().dict.get('content-disposition', None)
+  if content_disposition != None:
+    match = re.search(r'filename=\S+-([\d.]+)-\d+\.oex$', content_disposition)
+  else:
+    match = None;
+  if match:
+    return (url, match.group(1))
+  else:
+    return (None, None)
+
 def getLocalLink(repo):
   """
   gets the link for the newest download of an add-on in the local downloads
   repository
   """
   dir = repo.downloadsDirectory
   url = repo.downloadsURL
 
   highestURL = None
   highestVersion = None
@@ skipping 12 matching lines @@
 def getDownloadLink(repo):
   """
   gets the download link to the most current version of an extension
   """
   galleryURL = None
   galleryVersion = None
   if repo.type == "gecko" and repo.galleryID:
     (galleryURL, galleryVersion) = getMozillaDownloadLink(repo.galleryID)
   elif repo.type == "chrome" and repo.galleryID:
     (galleryURL, galleryVersion) = getGoogleDownloadLink(repo.galleryID)
+  elif repo.type == "opera" and repo.galleryID:
+    (galleryURL, galleryVersion) = getOperaDownloadLink(repo.galleryID)
 
   (downloadsURL, downloadsVersion) = getLocalLink(repo)
   if galleryVersion == None or (downloadsVersion != None and
                                 compareVersions(galleryVersion, downloadsVersion) < 0):
     return (downloadsURL, downloadsVersion)
   else:
     return (galleryURL, galleryVersion)
 
 def getDownloadLinks(result):
   """
@@ skipping 63 matching lines @@
   result = SafeConfigParser()
   getDownloadLinks(result)
   file = open(get_config().get('extensions', 'downloadLinksFile'), 'wb')
   result.write(file)
   file.close()
 
   writeUpdateManifest(result)
 
 if __name__ == "__main__":
   updateLinks()