def _call_task_errbacks(self, request, exc, traceback):
old_signature = []
for errback in request.errbacks:
errback = self.app.signature(errback)
if (
# Celery tasks type created with the @task decorator have
# the __header__ property, but Celery task created from
# Task class do not have this property.
# That's why we have to check if this property exists
# before checking is it partial function.
hasattr(errback.type, '__header__') and
# workaround to support tasks with bind=True executed as
# link errors. Otherwise retries can't be used
not isinstance(errback.type.__header__, partial) and
arity_greater(errback.type.__header__, 1)
):
errback(request, exc, traceback)
else:
old_signature.append(errback)
if old_signature:
# Previously errback was called as a task so we still
# need to do so if the errback only takes a single task_id arg.
task_id = request.id
root_id = request.root_id or task_id
group(old_signature, app=self.app).apply_async(
(task_id,), parent_id=task_id, root_id=root_id
)
def _call_task_errbacks(self, request, exc, traceback):
old_signature = []
for errback in request.errbacks:
errback = self.app.signature(errback)
if (
# Celery tasks type created with the @task decorator have
# the __header__ property, but Celery task created from
# Task class do not have this property.
# That's why we have to check if this property exists
# before checking is it partial function.
hasattr(errback.type, '__header__') and
# workaround to support tasks with bind=True executed as
# link errors. Otherwise retries can't be used
not isinstance(errback.type.__header__, partial)
and arity_greater(errback.type.__header__, 1)):
errback(request, exc, traceback)
else:
old_signature.append(errback)
if old_signature:
# Previously errback was called as a task so we still
# need to do so if the errback only takes a single task_id arg.
task_id = request.id
root_id = request.root_id or task_id
group(old_signature, app=self.app).apply_async((task_id, ),
parent_id=task_id,
root_id=root_id)
def _call_task_errbacks(self, request, exc, traceback):
old_signature = []
for errback in request.errbacks:
errback = self.app.signature(errback)
if arity_greater(errback.type.__header__, 1):
errback(request, exc, traceback)
else:
old_signature.append(errback)
if old_signature:
# Previously errback was called as a task so we still
# need to do so if the errback only takes a single task_id arg.
task_id = request.id
root_id = request.root_id or task_id
group(old_signature, app=self.app).apply_async((task_id,), parent_id=task_id, root_id=root_id)
def _call_task_errbacks(self, request, exc, traceback):
old_signature = []
for errback in request.errbacks:
errback = self.app.signature(errback)
if arity_greater(errback.type.__header__, 1):
errback(request, exc, traceback)
else:
old_signature.append(errback)
if old_signature:
# Previously errback was called as a task so we still
# need to do so if the errback only takes a single task_id arg.
task_id = request.id
root_id = request.root_id or task_id
group(old_signature, app=self.app).apply_async((task_id, ),
parent_id=task_id,
root_id=root_id)
def _call_task_errbacks(self, request, exc, traceback):
old_signature = []
for errback in request.errbacks:
errback = self.app.signature(errback)
if not errback._app:
# Ensure all signatures have an application
errback._app = self.app
try:
if (
# Celery tasks type created with the @task decorator have
# the __header__ property, but Celery task created from
# Task class do not have this property.
# That's why we have to check if this property exists
# before checking is it partial function.
hasattr(errback.type, '__header__') and
# workaround to support tasks with bind=True executed as
# link errors. Otherwise retries can't be used
not isinstance(errback.type.__header__, partial) and
arity_greater(errback.type.__header__, 1)
):
errback(request, exc, traceback)
else:
old_signature.append(errback)
except NotRegistered:
# Task may not be present in this worker.
# We simply send it forward for another worker to consume.
# If the task is not registered there, the worker will raise
# NotRegistered.
old_signature.append(errback)
if old_signature:
# Previously errback was called as a task so we still
# need to do so if the errback only takes a single task_id arg.
task_id = request.id
root_id = request.root_id or task_id
g = group(old_signature, app=self.app)
if self.app.conf.task_always_eager or request.delivery_info.get('is_eager', False):
g.apply(
(task_id,), parent_id=task_id, root_id=root_id
)
else:
g.apply_async(
(task_id,), parent_id=task_id, root_id=root_id
)
def _call_task_errbacks_fix(self, request, exc, traceback):
old_signature = []
for errback in request.errbacks:
errback = self.app.signature(errback)
# This check is necessary to solve a problem https://github.com/celery/celery/issues/4377 for celery 4.1.0
__header__ = getattr(errback.type, '__header__', None)
if __header__ and arity_greater(__header__, 1):
errback(request, exc, traceback)
else:
old_signature.append(errback)
if old_signature:
# Previously errback was called as a task so we still
# need to do so if the errback only takes a single task_id arg.
task_id = request.id
root_id = request.root_id or task_id
group(old_signature, app=self.app).apply_async((task_id, ),
parent_id=task_id,
root_id=root_id)
def _call_task_errbacks(self, request, exc, traceback):
old_signature = []
for errback in request.errbacks:
errback = self.app.signature(errback)
if (
# workaround to support tasks with bind=True executed as
# link errors. Otherwise retries can't be used
not isinstance(errback.type.__header__, partial)
and arity_greater(errback.type.__header__, 1)):
errback(request, exc, traceback)
else:
old_signature.append(errback)
if old_signature:
# Previously errback was called as a task so we still
# need to do so if the errback only takes a single task_id arg.
task_id = request.id
root_id = request.root_id or task_id
group(old_signature, app=self.app).apply_async((task_id, ),
parent_id=task_id,
root_id=root_id)
def _call_task_errbacks(self, request, exc, traceback):
old_signature = []
for errback in request.errbacks:
errback = self.app.signature(errback)
if (
# workaround to support tasks with bind=True executed as
# link errors. Otherwise retries can't be used
not isinstance(errback.type.__header__, partial) and
arity_greater(errback.type.__header__, 1)
):
errback(request, exc, traceback)
else:
old_signature.append(errback)
if old_signature:
# Previously errback was called as a task so we still
# need to do so if the errback only takes a single task_id arg.
task_id = request.id
root_id = request.root_id or task_id
group(old_signature, app=self.app).apply_async(
(task_id,), parent_id=task_id, root_id=root_id
)
