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from typing import Any
from django.http import Http404, HttpRequest, HttpResponse, JsonResponse
from django_tasks import TaskResultStatus, default_task_backend
from django_tasks.base import TaskResult
from django_tasks.exceptions import TaskResultDoesNotExist
from . import tasks
def get_result_value(result: TaskResult) -> Any:
if result.status == TaskResultStatus.SUCCESSFUL:
return result.return_value
elif result.status == TaskResultStatus.FAILED:
return result.errors[0].traceback
return None
def calculate_meaning_of_life(request: HttpRequest) -> HttpResponse:
result = tasks.calculate_meaning_of_life.enqueue()
return JsonResponse(
{
"result_id": result.id,
"result": get_result_value(result),
"status": result.status,
}
)
async def calculate_meaning_of_life_async(request: HttpRequest) -> HttpResponse:
result = await tasks.calculate_meaning_of_life.aenqueue()
return JsonResponse(
{
"result_id": result.id,
"result": get_result_value(result),
"status": result.status,
}
)
async def get_task_result(request: HttpRequest, result_id: str) -> HttpResponse:
try:
result = await default_task_backend.aget_result(result_id)
except TaskResultDoesNotExist:
raise Http404 from None
return JsonResponse(
{
"result_id": result.id,
"result": get_result_value(result),
"status": result.status,
}
)
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