remove ipv6 prefix from ipv4 addresses

pandora/archive/extract.py

@@ -307,7 +307,6 @@ def resize_image(image_source, image_output, width=None, size=None):
 def timeline(
         video, prefix,
         modes=['antialias', 'slitscan', 'keyframes', 'audio', 'data'],
-        #modes=['antialias', 'slitscan', 'audio', 'data'],
         size=[64, 16]
     ):
     if isinstance(video, basestring):

pandora/user/models.py

@@ -96,6 +96,8 @@ class SessionData(models.Model):
         if request.user.is_authenticated():
             data.user = request.user
         data.ip = request.META['REMOTE_ADDR']
+        if data.ip.startswith('::ffff:'):
+            data.ip = data.ip[len('::ffff:'):]
         data.useragent = request.META['HTTP_USER_AGENT']
         data.info = json.loads(request.POST.get('data', '{}'))
         screen = data.info.get('screen', {})