Merge branch 'master' into develop
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Lance Stout
commit
5492e9028d
3 changed files with 205 additions and 0 deletions
184
examples/download_avatars.py
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184
examples/download_avatars.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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SleekXMPP: The Sleek XMPP Library
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Copyright (C) 2012 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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import sys
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import logging
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import getpass
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import threading
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from optparse import OptionParser
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import sleekxmpp
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from sleekxmpp.exceptions import XMPPError
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# Python versions before 3.0 do not use UTF-8 encoding
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# by default. To ensure that Unicode is handled properly
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# throughout SleekXMPP, we will set the default encoding
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# ourselves to UTF-8.
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if sys.version_info < (3, 0):
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reload(sys)
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sys.setdefaultencoding('utf8')
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else:
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raw_input = input
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FILE_TYPES = {
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'image/png': 'png',
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'image/gif': 'gif',
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'image/jpeg': 'jpg'
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}
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class AvatarDownloader(sleekxmpp.ClientXMPP):
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"""
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A basic script for downloading the avatars for a user's contacts.
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"""
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def __init__(self, jid, password):
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sleekxmpp.ClientXMPP.__init__(self, jid, password)
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self.add_event_handler("session_start", self.start, threaded=True)
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self.add_event_handler("changed_status", self.wait_for_presences)
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self.add_event_handler('vcard_avatar_update', self.on_vcard_avatar)
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self.add_event_handler('avatar_metadata_publish', self.on_avatar)
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self.received = set()
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self.presences_received = threading.Event()
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def start(self, event):
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"""
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Process the session_start event.
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Typical actions for the session_start event are
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requesting the roster and broadcasting an initial
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presence stanza.
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Arguments:
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event -- An empty dictionary. The session_start
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event does not provide any additional
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data.
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"""
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self.send_presence()
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self.get_roster()
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print('Waiting for presence updates...\n')
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self.presences_received.wait(15)
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self.disconnect(wait=True)
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def on_vcard_avatar(self, pres):
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print("Received vCard avatar update from %s" % pres['from'].bare)
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try:
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result = self['xep_0054'].get_vcard(pres['from'], cached=True)
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except XMPPError:
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print("Error retrieving avatar for %s" % pres['from'])
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return
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avatar = result['vcard_temp']['PHOTO']
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filetype = FILE_TYPES.get(avatar['TYPE'], 'png')
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filename = 'vcard_avatar_%s_%s.%s' % (
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pres['from'].bare,
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pres['vcard_temp_update']['photo'],
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filetype)
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with open(filename, 'w+') as img:
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img.write(avatar['BINVAL'])
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def on_avatar(self, msg):
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print("Received avatar update from %s" % msg['from'])
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metadata = msg['pubsub_event']['items']['item']['avatar_metadata']
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for info in metadata['items']:
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if not info['url']:
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try:
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result = self['xep_0084'].retrieve_avatar(msg['from'], info['id'])
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except XMPPError:
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print("Error retrieving avatar for %s" % msg['from'])
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return
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avatar = result['pubsub']['items']['item']['avatar_data']
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filetype = FILE_TYPES.get(metadata['type'], 'png')
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filename = 'avatar_%s_%s.%s' % (msg['from'].bare, info['id'], filetype)
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with open(filename, 'w+') as img:
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img.write(avatar['value'])
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else:
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# We could retrieve the avatar via HTTP, etc here instead.
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pass
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def wait_for_presences(self, pres):
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"""
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Wait to receive updates from all roster contacts.
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"""
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self.received.add(pres['from'].bare)
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if len(self.received) >= len(self.client_roster.keys()):
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self.presences_received.set()
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else:
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self.presences_received.clear()
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if __name__ == '__main__':
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# Setup the command line arguments.
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optp = OptionParser()
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optp.add_option('-q','--quiet', help='set logging to ERROR',
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action='store_const',
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dest='loglevel',
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const=logging.ERROR,
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default=logging.ERROR)
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optp.add_option('-d','--debug', help='set logging to DEBUG',
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action='store_const',
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dest='loglevel',
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const=logging.DEBUG,
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default=logging.ERROR)
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optp.add_option('-v','--verbose', help='set logging to COMM',
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action='store_const',
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dest='loglevel',
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const=5,
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default=logging.ERROR)
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# JID and password options.
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optp.add_option("-j", "--jid", dest="jid",
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help="JID to use")
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optp.add_option("-p", "--password", dest="password",
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help="password to use")
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opts,args = optp.parse_args()
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# Setup logging.
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logging.basicConfig(level=opts.loglevel,
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format='%(levelname)-8s %(message)s')
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if opts.jid is None:
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opts.jid = raw_input("Username: ")
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if opts.password is None:
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opts.password = getpass.getpass("Password: ")
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xmpp = AvatarDownloader(opts.jid, opts.password)
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xmpp.register_plugin('xep_0054')
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xmpp.register_plugin('xep_0153')
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xmpp.register_plugin('xep_0084')
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# If you are working with an OpenFire server, you may need
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# to adjust the SSL version used:
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# xmpp.ssl_version = ssl.PROTOCOL_SSLv3
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# If you want to verify the SSL certificates offered by a server:
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# xmpp.ca_certs = "path/to/ca/cert"
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# Connect to the XMPP server and start processing XMPP stanzas.
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if xmpp.connect():
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# If you do not have the dnspython library installed, you will need
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# to manually specify the name of the server if it does not match
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# the one in the JID. For example, to use Google Talk you would
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# need to use:
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#
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# if xmpp.connect(('talk.google.com', 5222)):
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# ...
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xmpp.process(block=True)
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else:
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print("Unable to connect.")
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@ -72,6 +72,11 @@ class BaseXMPP(XMLStream):
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self.boundjid = JID(jid)
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self._expected_server_name = self.boundjid.host
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self._redirect_attempts = 0
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#: The maximum number of consecutive see-other-host
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#: redirections that will be followed before quitting.
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self.max_redirects = 5
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self.session_bind_event = threading.Event()
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@ -144,6 +149,8 @@ class BaseXMPP(XMLStream):
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MatchXPath("{%s}error" % self.stream_ns),
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self._handle_stream_error))
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self.add_event_handler('session_start',
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self._handle_session_start)
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self.add_event_handler('disconnected',
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self._handle_disconnected)
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self.add_event_handler('presence_available',
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@ -656,6 +663,10 @@ class BaseXMPP(XMLStream):
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def getjidbare(self, fulljid):
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return fulljid.split('/', 1)[0]
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def _handle_session_start(self, event):
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"""Reset redirection attempt count."""
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self._redirect_attempts = 0
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def _handle_disconnected(self, event):
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"""When disconnected, reset the roster"""
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self.roster.reset()
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@ -666,6 +677,15 @@ class BaseXMPP(XMLStream):
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if error['condition'] == 'see-other-host':
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other_host = error['see_other_host']
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if not other_host:
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log.warning("No other host specified.")
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return
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if self._redirect_attempts > self.max_redirects:
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log.error("Exceeded maximum number of redirection attempts.")
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return
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self._redirect_attempts += 1
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host = other_host
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port = 5222
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return
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elif data == '' or data != self.api['get_hash'](pres['to']):
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self._reset_hash(pres['from'])
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self.xmpp.event('vcard_avatar_update', pres)
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# =================================================================
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