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from sugar.p2p.Stream import Stream
from sugar.presence import PresenceService
class _Marshaller(object):
def __init__(self, title, address):
pservice = PresenceService.get_instance()
name = pservice.get_owner().get_name()
self._message = name + '\n' + title + '\n' + address
def get_message(self):
return self._message
class _Demarshaller(object):
def __init__(self, message):
self._pservice = PresenceService.get_instance()
self._split_msg = message.split('\n')
def get_buddy(self):
return self._pservice.get_buddy_by_name(self._split_msg[0])
def get_title(self):
return self._split_msg[1]
def get_address(self):
return self._split_msg[2]
class LinksController(object):
def __init__(self, service, model):
self._model = model
self._stream = Stream.new_from_service(service)
self._stream.set_data_listener(self._recv_message)
self._stream_writer = self._stream.new_writer()
def post_link(self, title, address):
marshaller = _Marshaller(title, address)
self._stream_writer.write(marshaller.get_message())
def _recv_message(self, address, msg):
demarshaller = _Demarshaller(msg)
buddy = demarshaller.get_buddy()
if buddy:
self._model.add_link(buddy, demarshaller.get_title(),
demarshaller.get_address())
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