added plugin for xep-0249

sleekxmpp/plugins/xep_0249/__init__.py

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+from sleekxmpp.plugins.xep_0249.stanza import Invite
+from sleekxmpp.plugins.xep_0249.invite import xep_0249

sleekxmpp/plugins/xep_0249/invite.py

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+"""Direct MUC Invitation."""
+
+
+import logging
+
+import sleekxmpp
+from sleekxmpp import Message
+from sleekxmpp.plugins.base import base_plugin
+from sleekxmpp.xmlstream import register_stanza_plugin
+from sleekxmpp.xmlstream.handler import Callback
+from sleekxmpp.xmlstream.matcher import StanzaPath
+from sleekxmpp.plugins.xep_0249 import Invite
+
+log = logging.getLogger(__name__)
+
+
+class xep_0249(base_plugin):
+
+    """
+    XEP-0249: Direct MUC Invitations
+    """
+
+    def plugin_init(self):
+        self.xep = "0249"
+        self.description = "Direct MUC Invitations"
+        self.stanza = sleekxmpp.plugins.xep_0249.stanza
+
+        self.xmpp.register_handler(
+                Callback('Direct MUC Invitations',
+                         StanzaPath('message/groupchat_invite'),
+                         self._handle_invite))
+
+        register_stanza_plugin(Message, Invite)
+
+    def post_init(self):
+        base_plugin.post_init(self)
+        self.xmpp.plugin['xep_0030'].add_feature(Invite.namespace)
+
+    def _handle_invite(self, message):
+        """
+        Raise an event for all invitations received.
+
+        """
+        log.debug("Received direct muc invitation from %s to room %s",
+                  message['from'], message['groupchat_invite']['jid'])
+
+        self.xmpp.event('groupchat_direct_invite', message)
+
+    def send_invitation(self, jid, roomjid, password=None,
+                        reason=None, ifrom=None):
+        """
+        Send a direct MUC invitation to an XMPP entity.
+
+        Arguments:
+            jid         -- The jid of the entity to which the inviation
+                           is sent
+            roomjid     -- the address of the groupchat room to be joined
+            password    -- a password needed for entry into a
+                           password-protected room (OPTIONAL).
+            reason      -- a human-readable purpose for the invitation
+                           (OPTIONAL).
+
+        """
+
+        message = self.xmpp.Message()
+        message['to'] = jid
+        if ifrom is not None:
+            message['from'] = ifrom
+        message['groupchat_invite']['jid'] = roomjid
+        if password is not None:
+            message['groupchat_invite']['password'] = password
+        if reason is not None:
+            message['groupchat_invite']['reason'] = reason
+
+        return message.send()

sleekxmpp/plugins/xep_0249/stanza.py

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+from sleekxmpp.xmlstream import ElementBase
+
+
+class Invite(ElementBase):
+    """
+    XMPP allows for an agent in an MUC room to directly invite another
+    user to join the chat room (as opposed to a mediated invitation
+    done through the server).
+
+    Example invite stanza:
+      <message from='crone1@shakespeare.lit/desktop'
+          to='hecate@shakespeare.lit'>
+        <x xmlns='jabber:x:conference'
+           jid='darkcave@macbeth.shakespeare.lit'
+           password='cauldronburn'
+           reason='Hey Hecate, this is the place for all good witches!'/>
+      </message>
+
+    Stanza Interface:
+        jid          -- The JID of the groupchat room
+        password     -- The password used to gain entry in the room
+                        (optional)
+        reason       -- The reason for the invitation (optional)
+
+    """
+    name = "x"
+    namespace = "jabber:x:conference"
+    plugin_attrib = "groupchat_invite"
+    interfaces = ("jid", "password", "reason")