django-model-checker-wrapper.py

# Bayram Kaya 17.03.2019
# Wrapper function checks if requester has db_model instance

def check_profile(db_model):
    def req_wrapper(func):
        def func_wrapper(request):
            placeholder = db_model.objects.filter(name=request.user)
            if placeholder.exists():
                return func(True,request)
            else:
                return func(False,request)
        return func_wrapper
    return req_wrapper
  
#  Usage Example
@check_profile(db_model)
def wrap_test(state,request):
    if state:
        return HttpResponse("passes")
    else:
        return HttpResponse("fails")