user_api.py

# ...

def initialize(jid, send=True):
    """
    Initializes user by subscribing to friends and sending initial presence
    @type jid: unicode
    @param jid: client jid
    @param send: send presence flag
    """
    logger.debug("user api: called init for user %s" % jid)

    assert isinstance(jid, unicode)
    
    friends = get_friends(jid)
    database.set_friends(jid, friends)
    database.unset_polling(jid)
    database.unset_processing(jid)
    database.set_online(jid)

    if friends:
        logger.debug("user api: subscribing friends for %s" % jid)
        roster_subscribe(jid, friends)

    if send:
        logger.debug('sending initial presence')
        send_init_presence(jid)
        
# ...