sugar-toolkit-gtk3/shell/Owner.py

50 lines
1.5 KiB
Python

import os
import random
import base64
from sugar import env
from sugar.p2p import Stream
from sugar.presence import PresenceService
PRESENCE_SERVICE_TYPE = "_presence_olpc._tcp"
class ShellOwner(object):
"""Class representing the owner of this machine/instance. This class
runs in the shell and serves up the buddy icon and other stuff. It's the
server portion of the Owner, paired with the client portion in Buddy.py."""
def __init__(self):
nick = env.get_nick_name()
user_dir = env.get_user_dir()
if not os.path.exists(user_dir):
try:
os.makedirs(user_dir)
except OSError:
print "Could not create user directory."
self._icon = None
for fname in os.listdir(user_dir):
if not fname.startswith("buddy-icon."):
continue
fd = open(os.path.join(user_dir, fname), "r")
self._icon = fd.read()
fd.close()
break
# Create and announce our presence
self._pservice = PresenceService.PresenceService()
self._service = self._pservice.register_service(nick, PRESENCE_SERVICE_TYPE)
print "Owner '%s' using port %d" % (nick, self._service.get_port())
self._icon_stream = Stream.Stream.new_from_service(self._service)
self._icon_stream.register_reader_handler(self._handle_buddy_icon_request, "get_buddy_icon")
def _handle_buddy_icon_request(self):
"""XMLRPC method, return the owner's icon encoded with base64."""
if self._icon:
return base64.b64encode(self._icon)
return ""
def set_icon(self, icon):
"""Can only set icon in constructor for now."""
pass