def get_context_data(self, **kwargs):
o = self.object
task_id = get_uuid()
self.object.task_id = task_id
self.object.save()
join_files_task.apply_async([o], task_id=task_id)
ctx = super(UserTaskRunView,self).get_context_data(**kwargs)
from django.core.signals import request_finished
from django.dispatch import receiver
# from django.core.signals import request_finished
from django.db.models.signals import post_save, post_delete
from annotator.tasks import annotate_file
@receiver(post_save, sender=UserFile, dispatch_uid="update_annotation")
def update_annotation(sender, **kwargs):
obj = kwargs["instance"]
try:
annotation = UserFileAnnotation.objects.get(userfile=obj)
except UserFileAnnotation.DoesNotExist, e:
annotation = UserFileAnnotation(userfile=obj)
task_id = get_uuid()
annotation.pending = True
annotation.content_type = None
annotation.task_id = task_id
annotation.save()
# run celery task
annotate_file.apply_async((obj, annotation), task_id=task_id)
@receiver(post_delete, sender=UserFile)
def mymodel_delete(sender, instance, **kwargs):
# Pass false so FileField doesn't save the model.
instance.data_file.delete(False)