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# Copyright (C) 2006-2007 Red Hat, Inc.
#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import dbus
import os
from ConfigParser import ConfigParser
import gobject
from model.BuddyModel import BuddyModel
from sugar import env
import logging
class Friends(gobject.GObject):
__gsignals__ = {
'friend-added': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([object])),
'friend-removed': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([str])),
}
def __init__(self):
gobject.GObject.__init__(self)
self._friends = {}
self._path = os.path.join(env.get_profile_path(), 'friends')
self.load()
def has_buddy(self, buddy):
return self._friends.has_key(buddy.get_key())
def add_friend(self, buddy_info):
self._friends[buddy_info.get_key()] = buddy_info
self.emit('friend-added', buddy_info)
def make_friend(self, buddy):
if not self.has_buddy(buddy):
self.add_friend(buddy)
self.save()
def remove(self, buddy_info):
del self._friends[buddy_info.get_key()]
self.save()
self.emit('friend-removed', buddy_info.get_key())
def __iter__(self):
return self._friends.values().__iter__()
def load(self):
cp = ConfigParser()
try:
success = cp.read([self._path])
if success:
for key in cp.sections():
# HACK: don't screw up on old friends files
if len(key) < 20:
continue
buddy = BuddyModel(key=key, nick=cp.get(key, 'nick'))
self.add_friend(buddy)
except Exception, exc:
logging.error("Error parsing friends file: %s" % exc)
def save(self):
cp = ConfigParser()
for friend in self:
section = friend.get_key()
cp.add_section(section)
cp.set(section, 'nick', friend.get_nick())
cp.set(section, 'color', friend.get_color().to_string())
fileobject = open(self._path, 'w')
cp.write(fileobject)
fileobject.close()
self._sync_friends()
def _sync_friends(self):
# XXX: temporary hack
# remove this when the shell service has a D-Bus API for buddies
def friends_synced():
pass
def friends_synced_error(e):
logging.error("Error asking presence service to sync friends: %s"
% e)
keys = []
for friend in self:
keys.append(friend.get_key())
bus = dbus.SessionBus()
ps = bus.get_object('org.laptop.Sugar.Presence',
'/org/laptop/Sugar/Presence')
psi = dbus.Interface(ps, 'org.laptop.Sugar.Presence')
psi.SyncFriends(keys,
reply_handler=friends_synced,
error_handler=friends_synced_error)
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