http.py 文件源码

def require_http_methods(request_method_list):
    """
    Decorator to make a view only accept particular request methods.  Usage::

        @require_http_methods(["GET", "POST"])
        def my_view(request):
            # I can assume now that only GET or POST requests make it this far
            # ...

    Note that request methods should be in uppercase.
    """
    def decorator(func):
        @wraps(func, assigned=available_attrs(func))
        def inner(request, *args, **kwargs):
            if request.method not in request_method_list:
                logger.warning('Method Not Allowed (%s): %s', request.method, request.path,
                    extra={
                        'status_code': 405,
                        'request': request
                    }
                )
                return HttpResponseNotAllowed(request_method_list)
            return func(request, *args, **kwargs)
        return inner
    return decorator