Decorators with arguments for neat ACL

decorators.py

# decorators.py

def parameters_missing(request):
  response_data = {}
  response_data['status'] = False
  response_data['message'] = 'Missing parameter'
  return HttpResponse(json.dumps(response_data), content_type="application/json")

def open_request(request):
  @csrf_exempt
  def wrap(request, *args, **kwargs):
        return function(request, *args, **kwargs)
  wrap.__doc__ = function.__doc__
  wrap.__name__ = function.__name__
  return wrap

'''
  The wrap method just needs to be wrapped inside another function
'''
def open_with_params(required_params):
  def _wrapper(function):
        # decorate the decorator
        @open_request
        def wrap(request, *args, **kwargs):
            if set(request.POST).issuperset(required_params):
                return function(request, *args, **kwargs)
            else:
                return parameters_missing(request)
        wrap.__doc__ = function.__doc__
        wrap.__name__ = function.__name__
        return wrap
    return _wrapper
    
# views.py

@open_with_params(["token", "access"])
def add(request):
  pass