def registered_tasks(request):
"""
A view returning all defined tasks as a JSON object.
"""
response_data = {"regular": tasks.regular().keys(),
"periodic": tasks.periodic().keys()}
return HttpResponse(JSON_dump(response_data), mimetype="application/json")
def is_task_successful(request, task_id):
"""Returns task execute status in JSON format."""
response_data = {
"task": {
"id": task_id,
"executed": AsyncResult(task_id).successful()
}
}
return HttpResponse(JSON_dump(response_data), mimetype="application/json")
def _applier(request, **options):
kwargs = request.method == "POST" and \
request.POST.copy() or request.GET.copy()
kwargs = dict(
(key.encode("utf-8"), value) for key, value in kwargs.items())
result = task.apply_async(kwargs=kwargs)
response_data = {"ok": "true", "task_id": result.task_id}
return HttpResponse(JSON_dump(response_data),
mimetype="application/json")
def task_status(request, task_id):
"""Returns task status and result in JSON format."""
status = default_app.backend.get_status(task_id)
res = default_app.backend.get_result(task_id)
response_data = dict(id=task_id, status=status, result=res)
if status in default_app.backend.EXCEPTION_STATES:
traceback = default_app.backend.get_traceback(task_id)
response_data.update({"result": repr(res),
"exc": get_full_cls_name(res.__class__),
"traceback": traceback})
return HttpResponse(JSON_dump({"task": response_data}),
mimetype="application/json")
it returns the result as a JSON response.
Example:
.. code-block:: python
@task_webhook
def add(request):
x = int(request.GET["x"])
y = int(request.GET["y"])
return x + y
>>> response = add(request)
>>> response.content
'{"status": "success", "retval": 100}'
"""
@wraps(fun)
def _inner(*args, **kwargs):
try:
retval = fun(*args, **kwargs)
except Exception, exc:
response = {"status": "failure", "reason": str(exc)}
else:
response = {"status": "success", "retval": retval}
return HttpResponse(JSON_dump(response), mimetype="application/json")
return _inner
