reportes-programados/app/api/middleware.py

from django.http import HttpResponse

class CorsMiddleware:
    def __init__(self, get_response):
        self.get_response = get_response

    def __call__(self, request):

        if(request.method == "OPTIONS"):
            response = HttpResponse(status="200")
            response.headers['Access-Control-Allow-Origin'] = "*"
            response.headers['Access-Control-Allow-Headers'] = "*"
            response.headers['Access-Control-Allow-Methods'] = "*"
            return  response

        response = self.get_response(request)

        response["Access-Control-Allow-Origin"] = "*"

        return response