mirror of
https://github.com/correl/SleekXMPP.git
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274 lines
9.8 KiB
Python
274 lines
9.8 KiB
Python
"""
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SleekXMPP: The Sleek XMPP Library
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Copyright (C) 2010 Nathanael C. Fritz
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This file is part of SleekXMPP.
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See the file LICENSE for copying permission.
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"""
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from sleekxmpp.xmlstream import JID
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from sleekxmpp.roster import RosterItem
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class RosterNode(object):
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"""
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A roster node is a roster for a single JID.
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Attributes:
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xmpp -- The main SleekXMPP instance.
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jid -- The JID that owns the roster node.
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db -- Optional interface to an external datastore.
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auto_authorize -- Determines how authorizations are handled:
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True -- Accept all subscriptions.
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False -- Reject all subscriptions.
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None -- Subscriptions must be
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manually authorized.
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Defaults to True.
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auto_subscribe -- Determines if bi-directional subscriptions
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are created after automatically authrorizing
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a subscription request.
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Defaults to True
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last_status -- The last sent presence status that was broadcast
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to all contact JIDs.
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Methods:
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add -- Add a JID to the roster.
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update -- Update a JID's subscription information.
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subscribe -- Subscribe to a JID.
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unsubscribe -- Unsubscribe from a JID.
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remove -- Remove a JID from the roster.
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presence -- Return presence information for a JID's resources.
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send_presence -- Shortcut for sending a presence stanza.
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"""
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def __init__(self, xmpp, jid, db=None):
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"""
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Create a roster node for a JID.
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Arguments:
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xmpp -- The main SleekXMPP instance.
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jid -- The JID that owns the roster.
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db -- Optional interface to an external datastore.
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"""
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self.xmpp = xmpp
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self.jid = jid
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self.db = db
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self.auto_authorize = True
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self.auto_subscribe = True
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self.last_status = None
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self._jids = {}
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if self.db:
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for jid in self.db.entries(self.jid):
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self.add(jid)
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def __getitem__(self, key):
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"""
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Return the roster item for a subscribed JID.
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A new item entry will be created if one does not already exist.
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"""
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if isinstance(key, JID):
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key = key.bare
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if key not in self._jids:
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self.add(key, save=True)
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return self._jids[key]
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def keys(self):
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"""Return a list of all subscribed JIDs."""
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return self._jids.keys()
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def has_jid(self, jid):
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"""Returns whether the roster has a JID."""
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return jid in self._jids
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def __iter__(self):
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"""Iterate over the roster items."""
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return self._jids.__iter__()
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def set_backend(self, db=None):
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"""
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Set the datastore interface object for the roster node.
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Arguments:
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db -- The new datastore interface.
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"""
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self.db = db
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for jid in self.db.entries(self.jid):
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self.add(jid)
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for jid in self._jids:
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self._jids[jid].set_backend(db)
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def add(self, jid, name='', groups=None, afrom=False, ato=False,
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pending_in=False, pending_out=False, whitelisted=False,
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save=False):
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"""
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Add a new roster item entry.
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Arguments:
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jid -- The JID for the roster item.
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name -- An alias for the JID.
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groups -- A list of group names.
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afrom -- Indicates if the JID has a subscription state
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of 'from'. Defaults to False.
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ato -- Indicates if the JID has a subscription state
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of 'to'. Defaults to False.
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pending_in -- Indicates if the JID has sent a subscription
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request to this connection's JID.
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Defaults to False.
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pending_out -- Indicates if a subscription request has been sent
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to this JID.
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Defaults to False.
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whitelisted -- Indicates if a subscription request from this JID
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should be automatically authorized.
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Defaults to False.
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save -- Indicates if the item should be persisted
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immediately to an external datastore,
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if one is used.
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Defaults to False.
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"""
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if isinstance(jid, JID):
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key = jid.bare
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state = {'name': name,
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'groups': groups or [],
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'from': afrom,
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'to': ato,
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'pending_in': pending_in,
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'pending_out': pending_out,
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'whitelisted': whitelisted,
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'subscription': 'none'}
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self._jids[jid] = RosterItem(self.xmpp, jid, self.jid,
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state=state, db=self.db,
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roster=self)
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if save:
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self._jids[jid].save()
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def subscribe(self, jid):
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"""
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Subscribe to the given JID.
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Arguments:
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jid -- The JID to subscribe to.
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"""
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self[jid].subscribe()
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def unsubscribe(self, jid):
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"""
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Unsubscribe from the given JID.
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Arguments:
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jid -- The JID to unsubscribe from.
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"""
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self[jid].unsubscribe()
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def remove(self, jid):
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"""
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Remove a JID from the roster.
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Arguments:
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jid -- The JID to remove.
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"""
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self[jid].remove()
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if not self.xmpp.is_component:
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return self.update(jid, subscription='remove')
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def update(self, jid, name=None, subscription=None, groups=[],
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block=True, timeout=None, callback=None):
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"""
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Update a JID's subscription information.
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Arguments:
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jid -- The JID to update.
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name -- Optional alias for the JID.
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subscription -- The subscription state. May be one of: 'to',
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'from', 'both', 'none', or 'remove'.
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groups -- A list of group names.
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block -- Specify if the roster request will block
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until a response is received, or a timeout
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occurs. Defaults to True.
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timeout -- The length of time (in seconds) to wait
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for a response before continuing if blocking
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is used. Defaults to self.response_timeout.
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callback -- Optional reference to a stream handler function.
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Will be executed when the roster is received.
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Implies block=False.
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"""
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self[jid]['name'] = name
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self[jid]['groups'] = group
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self[jid].save()
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if not self.xmpp.is_component:
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iq = self.Iq()
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iq['type'] = 'set'
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iq['roster']['items'] = {jid: {'name': name,
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'subscription': subscription,
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'groups': groups}}
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response = iq.send(block, timeout, callback)
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if response in [False, None] or isinstance(response, Iq):
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return response
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return response and response['type'] == 'result'
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def presence(self, jid, resource=None):
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"""
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Retrieve the presence information of a JID.
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May return either all online resources' status, or
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a single resource's status.
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Arguments:
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jid -- The JID to lookup.
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resource -- Optional resource for returning
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only the status of a single connection.
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"""
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if resource is None:
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return self[jid].resources
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default_presence = {'status': '',
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'priority': 0,
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'show': ''}
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return self[jid].resources.get(resource,
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default_presence)
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def reset(self):
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"""
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Reset the state of the roster to forget any current
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presence information. Useful after a disconnection occurs.
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"""
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for jid in self:
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self[jid].reset()
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def send_presence(self, ptype=None, pshow=None, pstatus=None,
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ppriority=None, pnick=None, pto=None):
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"""
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Create, initialize, and send a Presence stanza.
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If no recipient is specified, send the presence immediately.
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Otherwise, forward the send request to the recipient's roster
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entry for processing.
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Arguments:
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pshow -- The presence's show value.
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pstatus -- The presence's status message.
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ppriority -- This connections' priority.
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pto -- The recipient of a directed presence.
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ptype -- The type of presence, such as 'subscribe'.
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"""
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if pto:
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self[pto].send_presence(ptype, pshow, pstatus,
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ppriority, pnick)
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else:
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p = self.xmpp.make_presence(pshow=pshow,
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pstatus=pstatus,
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ppriority=ppriority,
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ptype=ptype,
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pnick=pnick)
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if self.xmpp.is_component:
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p['from'] = self.jid
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if p['type'] in p.showtypes or p['type'] == 'available':
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self.last_status = p
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p.send()
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if not self.xmpp.sentpresence:
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self.xmpp.event('sent_presence')
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self.xmpp.sentpresence = True
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