def __getstate__(self):
"""Pickling needed functions."""
if not self._picklable_safe:
raise cPickle.PickleError("The instance of the workflow engine "
"cannot be serialized, "
"because it was constructed with "
"custom, user-supplied callbacks. "
"Either use PickableWorkflowEngine or "
"provide your own __getstate__ method.")
state = self.__dict__.copy()
del state['log']
return state
def __setstate__(self, state):
"""Unpickling needed functions."""
if len(self._objects) < self._i[0]:
raise cPickle.PickleError("The workflow instance "
"inconsistent state, "
"too few objects")
db_handler_obj = BibWorkflowLogHandler(BibWorkflowEngineLog, "uuid")
state['log'] = get_logger(logger_name="workflow.%s" % state['uuid'],
db_handler_obj=db_handler_obj,
obj=self)
self.__dict__ = state