def handle_failure(self, task, store_errors=True):
"""Handle exception."""
req = task.request
type_, _, tb = sys.exc_info()
try:
exc = self.retval
einfo = ExceptionInfo()
einfo.exception = get_pickleable_exception(einfo.exception)
einfo.type = get_pickleable_etype(einfo.type)
if store_errors:
task.backend.mark_as_failure(
req.id,
exc,
einfo.traceback,
request=req,
)
task.on_failure(exc, req.id, req.args, req.kwargs, einfo)
signals.task_failure.send(sender=task,
task_id=req.id,
exception=exc,
args=req.args,
kwargs=req.kwargs,
traceback=tb,
einfo=einfo)
return einfo
finally:
del (tb)
def handle_failure(self, task, req, store_errors=True, call_errbacks=True):
"""Handle exception."""
_, _, tb = sys.exc_info()
try:
exc = self.retval
# make sure we only send pickleable exceptions back to parent.
einfo = ExceptionInfo()
einfo.exception = get_pickleable_exception(einfo.exception)
einfo.type = get_pickleable_etype(einfo.type)
task.backend.mark_as_failure(
req.id, exc, einfo.traceback,
request=req, store_result=store_errors,
call_errbacks=call_errbacks,
)
task.on_failure(exc, req.id, req.args, req.kwargs, einfo)
signals.task_failure.send(sender=task, task_id=req.id,
exception=exc, args=req.args,
kwargs=req.kwargs,
traceback=tb,
einfo=einfo)
self._log_error(task, req, einfo)
return einfo
finally:
del tb
def handle_failure(self, task, req, store_errors=True, call_errbacks=True):
"""Handle exception."""
_, _, tb = sys.exc_info()
try:
exc = self.retval
# make sure we only send pickleable exceptions back to parent.
einfo = ExceptionInfo()
einfo.exception = get_pickleable_exception(einfo.exception)
einfo.type = get_pickleable_etype(einfo.type)
task.backend.mark_as_failure(
req.id, exc, einfo.traceback,
request=req, store_result=store_errors,
call_errbacks=call_errbacks,
)
task.on_failure(exc, req.id, req.args, req.kwargs, einfo)
signals.task_failure.send(sender=task, task_id=req.id,
exception=exc, args=req.args,
kwargs=req.kwargs,
traceback=tb,
einfo=einfo)
self._log_error(task, req, einfo)
return einfo
finally:
del(tb)
def handle_failure(self, task, store_errors=True):
"""Handle exception."""
req = task.request
type_, _, tb = sys.exc_info()
try:
exc = self.retval
einfo = ExceptionInfo()
einfo.exception = get_pickleable_exception(einfo.exception)
einfo.type = get_pickleable_etype(einfo.type)
if store_errors:
task.backend.mark_as_failure(req.id, exc, einfo.traceback, request=req)
task.on_failure(exc, req.id, req.args, req.kwargs, einfo)
signals.task_failure.send(
sender=task, task_id=req.id, exception=exc, args=req.args, kwargs=req.kwargs, traceback=tb, einfo=einfo
)
return einfo
finally:
del (tb)
def on_success(self, retval, task_id, args, kwargs):
try:
logger.info(
'my task success and taskid is {} ,retval is{} ,args is{}.kwargs id {}'
.format(task_id, retval, args, kwargs))
# 如果执行成功，且有下一步，则执行下一步
if self.do_success(retval, task_id, args,
kwargs) and kwargs.get('next_task_kwargs'):
for next_task_kwarg in kwargs['next_task_kwargs']:
with session_scope() as ss:
from worker.run_task import run_celery_task
run_celery_task(session=ss, **next_task_kwarg)
except Exception as e:
einfo = ExceptionInfo()
einfo.exception = get_pickleable_exception(einfo.exception)
einfo.type = get_pickleable_etype(einfo.type)
self.on_failure(e, task_id, args, kwargs, einfo)
def _signal_internal_error(task, uuid, args, kwargs, request, exc):
"""Send a special `internal_error` signal to the app for outside body errors."""
try:
_, _, tb = sys.exc_info()
einfo = ExceptionInfo()
einfo.exception = get_pickleable_exception(einfo.exception)
einfo.type = get_pickleable_etype(einfo.type)
signals.task_internal_error.send(
sender=task,
task_id=uuid,
args=args,
kwargs=kwargs,
request=request,
exception=exc,
traceback=tb,
einfo=einfo,
)
finally:
del tb