slixmpp/features/feature_preapproval/preapproval.py

   1 """
   2     Slixmpp: The Slick XMPP Library
   3     Copyright (C) 2012  Nathanael C. Fritz
   4     This file is part of Slixmpp.
   5
   6     See the file LICENSE for copying permission.
   7 """
   8
   9 import logging
  10
  11 from slixmpp.stanza import StreamFeatures
  12 from slixmpp.features.feature_preapproval import stanza
  13 from slixmpp.xmlstream import register_stanza_plugin
  14 from slixmpp.plugins.base import BasePlugin
  15
  16
  17 log = logging.getLogger(__name__)
  18
  19
  20 class FeaturePreApproval(BasePlugin):
  21
  22     name = 'feature_preapproval'
  23     description = 'RFC 6121: Stream Feature: Subscription Pre-Approval'
  24     dependences = set()
  25     stanza = stanza
  26
  27     def plugin_init(self):
  28         self.xmpp.register_feature('preapproval',
  29                 self._handle_preapproval,
  30                 restart=False,
  31                 order=9001)
  32
  33         register_stanza_plugin(StreamFeatures, stanza.PreApproval)
  34
  35     def _handle_preapproval(self, features):
  36         """Save notice that the server support subscription pre-approvals.
  37
  38         Arguments:
  39             features -- The stream features stanza.
  40         """
  41         log.debug("Server supports subscription pre-approvals.")
  42         self.xmpp.features.add('preapproval')