def __init__(self, log_parent=None, upload_status=None):
object.__init__(self)
self.uri_extension_data = {}
self._codec = None
self._status = None
if upload_status:
self._status = IUploadStatus(upload_status)
precondition(log_parent is None or isinstance(log_parent, int),
log_parent)
self._log_number = log.msg("creating Encoder %s" % self,
facility="tahoe.encoder",
parent=log_parent)
self._aborted = False
