'Creates a new DosEntryUpload.
Args:
rpcserver: The RPC server to use. Should be an instance of a subclass of
AbstractRpcServer.
dos: The DosInfoExternal object loaded from the dos.yaml file.
error_fh: Where to send status and error messages.'

def __init__(self, rpcserver, dos, error_fh=sys.stderr):

    self.rpcserver = rpcserver
    self.dos = dos
    self.error_fh = error_fh
