Created
July 29, 2017 23:06
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flexible class for splitting handling of different HTTP methods being dispatched to the same view into separate class methods
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| class MethodSplitView(object): | |
| """ | |
| A flexible class for splitting handling of different HTTP methods being | |
| dispatched to the same view into seperate class methods. Subclasses may | |
| define a separate class method for each HTTP method the view handles (e.g. | |
| GET(self, request, ...), POST(self, request, ...) which will be called with | |
| the usual view signature when that sort of reqeust is made. | |
| Subclasses may also define a `pre_method_check` method which, if it returns | |
| a HttpResponse, will be used to response to the request instead of | |
| delegating to the corrosponding method. | |
| """ | |
| def __call__(self, request, *args, **kwargs): | |
| if getattr(self, 'active_required', False): | |
| if not request.user.is_active: | |
| return HttpResponseForbidden('You must be an active user ' | |
| 'to do this') | |
| if getattr(self, 'staff_required', False): | |
| if not request.user.is_staff: | |
| return HttpResponseForbidden('You must be staff to do this.') | |
| meth = getattr(self, request.method, None) | |
| if not meth: | |
| return HttpResponseBadRequest('Request method %s not supported' | |
| % request.method) | |
| response_maybe = self.pre_method_check(request, *args, **kwargs) | |
| if isinstance(response_maybe, HttpResponse): | |
| return response_maybe | |
| return meth(request, *args, **kwargs) | |
| def pre_method_check(request, *args, **kwargs): | |
| return None | |
| @classmethod | |
| def as_view(cls): | |
| if getattr(cls, 'require_login', False): | |
| return login_required(cls()) | |
| else: | |
| return cls() |
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