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# -*- coding: utf-8 -*-
'''a module to handle contacts'''
# This file is part of emesene.
#
# Emesene is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# emesene is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with emesene; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import urllib
import abstract.ContactManager
import status
class ContactManager(abstract.ContactManager.ContactManager):
'''Implementation of abstract.ContactManager using emesenelib'''
def __init__(self, dialog, protocol, account):
'''initialize the object, dialog is a implementation
of abstract.dialog, it's used to interact with the user'''
abstract.ContactManager.ContactManager.__init__(self,
dialog, protocol, account)
# for dummy implementations
if protocol:
self._connect_signals()
else:
debug('Protocol is None')
def _connect_signals(self):
'''connect all the signals of the protocol'''
# connect the signals to the private methods (see the double
# underscore, this methods receive the parameters and call
# the methods of abstract.ContactManager.ContactManager
self.protocol.connect('contact-added', self.__on_contact_added)
self.protocol.connect('contact-removed', self.__on_contact_removed)
self.protocol.connect('contact-attr-changed',
self.__on_contact_attr_changed)
self.protocol.connect('nick-changed',
self.__on_contact_nick_changed)
self.protocol.connect('contact-status-change',
self.__on_contact_status_changed)
self.protocol.connect('initial-status-change',
self.__on_initial_status_changed)
self.protocol.connect('personal-message-changed',
self.__on_contact_message_changed)
self.protocol.connect('contact-added-to-group',
self.__on_contact_added_to_group)
self.protocol.connect('contact-removed-from-group',
self.__on_contact_removed_from_group)
def __on_contact_added(self, protocol, account, identifier=None,
nick=None, message=None, _status=status.OFFLINE, alias=None,
blocked=False):
'''callback called when a new contact is added'''
if _status in status.MSN_TO_STATUS:
_status = status.MSN_TO_STATUS[_status]
elif not status.is_valid(_status):
debug("Invalid status '%s', setting offline" % (_status,))
_status = status.OFFLINE
self._on_contact_added(account, identifier, nick, message, _status,
alias, blocked)
def __on_contact_removed(self, protocol, account):
'''callback called when a contact is removed'''
self._on_contact_removed(account)
def __on_contact_attr_changed(self, protocol, account, attr, val):
'''callback called when an attribute is changed on a contact,
this attribute can be block or alias (since these are the
attributes that the user can change, the others are changed
by the user itself)'''
self._on_contact_attr_changed(account, attr, val)
def __on_contact_nick_changed(self, protocol, account, nick):
'''callback called when an user change his nick'''
self._on_contact_nick_changed(account, nick)
def __on_contact_message_changed(self, protocol, account, message):
'''callback called when an user change his message'''
self._on_contact_message_changed(account, message)
def __on_contact_status_changed(self, protocol, account, new_status):
'''callback called when an user change his status'''
if new_status in status.MSN_TO_STATUS:
self._on_contact_status_changed(account,
status.MSN_TO_STATUS[new_status])
else:
debug("invalid status '%s'" % (new_status,))
def __on_initial_status_changed(self, protocol, command, tid, params):
'''callback called when an user change his status'''
(_status, account, nick, rest) = params.split(' ', 3)
nick = urllib.unquote(nick)
if self.exists(account):
contact = self.contacts[account]
old_nick = contact.nick
old_status = contact.status
contact._on_nick_changed(nick)
contact._on_status_changed(status.MSN_TO_STATUS[_status])
self.signal_emit('contact-changed', contact, 'nick', old_nick)
self.signal_emit('contact-changed', contact, 'status', old_status)
self.signal_emit('contact-nick-changed', contact, old_nick)
self.signal_emit('contact-status-changed', contact, old_status)
else:
debug("account '%s' not in self.contacts" % (account,))
def __on_contact_added_to_group(self, protocol, account, group_name):
'''callback called when an account is added to a group'''
self._on_contact_added_to_group(account, group_name)
def __on_contact_removed_from_group(self, protocol, account, group_name):
'''callback called when an account is removed from a group'''
self._on_contact_removed_from_group(account, group_name)
# actions on our contact
def set_nick(self, nick):
'''set the nick of our account to nick'''
if nick:
if self.protocol:
self.me.nick = nick
self.protocol.changeNick(nick)
else:
debug("invalid '%s' nick" % (nick,))
def set_message(self, message):
'''set the personal message of our account to message'''
if self.protocol:
self.me.message = message
self.protocol.changePersonalMessage(message)
def set_media(self, media):
'''set the current media of out account to current_media'''
if self.protocol:
self.me.attrs['media'] = media
self.protocol.changeCurrentMedia(media)
def set_status(self, new_status):
'''set the status to status, the status should be one of the
constants on status.py, consider calling status.is_valid.
Also you should convert it to the values on the library'''
if not self.protocol:
return
if status.is_valid(new_status): # direct
self.me.status = status.STATUS_TO_MSN[new_status]
self.protocol.changeStatus(status.STATUS_TO_MSN[new_status])
elif new_status in status.STATUS_TO_MSN.values(): # HDN
self.me.status = new_status
self.protocol.changeStatus(new_status)
else:
debug('not a valid status"' + new_status + '"')
def get_status(self, account=None):
'''return the status of an account if exist, status.OFFLINE if dont
if account == None, return the status of our user'''
if account:
if self.exists(account):
return status.STATUS_TO_MSN[self.contacts[account].status]
else:
debug("account '%s' not in self.contacts" % (account,))
else:
return self.me.status
def set_picture(self, path):
'''set the display picture to path'''
if self.protocol:
self.protocol.changeAvatar(path)
self.me.picture = path
# actions on other contacts
def set_alias(self, account, alias):
'''set the contact alias, give an empty alias to reset'''
if self.protocol:
self.protocol.changeNick(alias, account)
self._on_contact_attr_changed(account, 'alias', alias)
def block(self, account):
'''unblock an user'''
if self.protocol:
self.protocol.blockUser(account)
self._on_contact_attr_changed(account, 'block', True)
def unblock(self, account):
'''unblock an user'''
if self.protocol:
self.protocol.unblockUser(account)
self._on_contact_attr_changed(account, 'block', False)
def remove(self, account):
'''remove an user'''
if self.protocol:
self.protocol.removeUser(account)
def add(self, account, group=''):
'''add an user'''
if self.protocol:
self.protocol.addUser(account, group)
def move_to_group(self, account, src_group, dest_group):
'''move a user from src_group to dest_group'''
if self.protocol:
self.protocol.moveUserToGroup(account, src_group, dest_group)
def add_to_group(self, account, group):
'''add an user to a group, return True on success'''
if self.protocol:
self.protocol.addUserToGroup(account, group)
def remove_from_group(self, account, group):
'''remove an user from a group'''
if self.protocol:
self.protocol.removeUserFromGroup(account, group)
def debug(msg):
'''debug method, the module send the debug here, it can be changed
to use another debugging method'''
return
print('ContactManager.py: ', msg)
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