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53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
import os
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import random
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import base64
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from sugar import env
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from sugar.p2p import Stream
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from sugar.presence import PresenceService
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PRESENCE_SERVICE_TYPE = "_presence_olpc._tcp"
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class ShellOwner(object):
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"""Class representing the owner of this machine/instance. This class
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runs in the shell and serves up the buddy icon and other stuff. It's the
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server portion of the Owner, paired with the client portion in Buddy.py."""
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def __init__(self):
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self._nick = env.get_nick_name()
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user_dir = env.get_user_dir()
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try:
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os.makedirs(user_dir)
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except OSError, exc:
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if exc[0] != 17: # file exists
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print "Could not create user directory %s: (%d) %s" % (user_dir, exc[0], exc[1])
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self._icon = None
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for fname in os.listdir(user_dir):
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if not fname.startswith("buddy-icon."):
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continue
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fd = open(os.path.join(user_dir, fname), "r")
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self._icon = fd.read()
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fd.close()
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break
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self._pservice = PresenceService.PresenceService()
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def announce(self):
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# Create and announce our presence
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self._service = self._pservice.register_service(self._nick, PRESENCE_SERVICE_TYPE)
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print "Owner '%s' using port %d" % (self._nick, self._service.get_port())
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self._icon_stream = Stream.Stream.new_from_service(self._service)
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self._icon_stream.register_reader_handler(self._handle_buddy_icon_request, "get_buddy_icon")
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def _handle_buddy_icon_request(self):
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"""XMLRPC method, return the owner's icon encoded with base64."""
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if self._icon:
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return base64.b64encode(self._icon)
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return ""
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def set_icon(self, icon):
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"""Can only set icon in constructor for now."""
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pass
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