def unauthorized(e): return ErrorController.show(401, e)
def not_allowed(e): return ErrorController.show(403, e)
def service_unavailable(e): return ErrorController.show(503, e)
def gateway_timeout(e): return ErrorController.show(504, e)
def bad_gateway(e): return ErrorController.show(502, e)
def not_implemented(e): return ErrorController.show(501, e)
def internal_error(e): return ErrorController.show(500, e)
def bad_request(e): return ErrorController.show(400, e)
def page_not_found(e): return ErrorController.show(404, e)