How to use _clone_map_without_rules method in localstack

Best Python code snippet using localstack_python

router.py

Source:router.py

...28    """29    A Dispatcher that treats the matching endpoint as a callable and invokes it with the Request and request arguments.30    """31    return endpoint(request, args)32def _clone_map_without_rules(old: Map) -> Map:33    return Map(34        default_subdomain=old.default_subdomain,35        charset=old.charset,36        strict_slashes=old.strict_slashes,37        merge_slashes=old.merge_slashes,38        redirect_defaults=old.redirect_defaults,39        converters=old.converters,40        sort_parameters=old.sort_parameters,41        sort_key=old.sort_key,42        encoding_errors=old.encoding_errors,43        host_matching=old.host_matching,44    )45class Router(Generic[E]):46    """47    A Router is a wrapper around werkzeug's routing Map, that adds convenience methods and additional dispatching48    logic via the ``Dispatcher`` Protocol.49    """50    url_map: Map51    dispatcher: Dispatcher52    def __init__(53        self, dispatcher: Dispatcher = None, converters: Mapping[str, BaseConverter] = None54    ):55        self.url_map = Map(host_matching=True, strict_slashes=False, converters=converters)56        self.dispatcher = dispatcher or call_endpoint57        self._mutex = threading.RLock()58    def add(59        self,60        path: str,61        endpoint: E,62        host: Optional[str] = None,63        methods: Optional[Iterable[str]] = None,64        **kwargs,65    ) -> Rule:66        """67        Adds a new Rule to the URL Map.68        :param path: the path pattern to match69        :param endpoint: the endpoint to invoke70        :param host: an optional host matching pattern. if not pattern is given, the rule matches any host71        :param methods: the allowed HTTP verbs for this rule72        :param kwargs: any other argument that can be passed to ``werkzeug.routing.Rule``73        :return:74        """75        if host is None and self.url_map.host_matching:76            # this creates a "match any" rule, and will put the value of the host77            # into the variable "__host__"78            host = "<__host__>"79        # the typing for endpoint is a str, but the doc states it can be any value,80        # however then the redirection URL building will not work81        rule = Rule(path, endpoint=endpoint, methods=methods, host=host, **kwargs)82        self.add_rule(rule)83        return rule84    def add_rule(self, rule: RuleFactory):85        with self._mutex:86            self.url_map.add(rule)87    def remove_rule(self, rule: Rule):88        """89        Removes a Rule from the Router.90        **Caveat**: This is an expensive operation. Removing rules from a URL Map is intentionally not supported by91        werkzeug due to issues with thread safety, see https://github.com/pallets/werkzeug/issues/796, and because92        using a lock in ``match`` would be too expensive. However, some services that use Routers for routing93        internal resources need to be able to remove rules when those resources are removed. So to remove rules we94        create a new Map without that rule. This will not prevent the rules from dispatching until the Map has been95        completely constructed.96        :param rule: the Rule to remove that was previously returned by ``add``.97        """98        with self._mutex:99            old = self.url_map100            if rule not in old._rules:101                raise KeyError("no such rule")102            new = _clone_map_without_rules(old)103            for r in old.iter_rules():104                if r == rule:105                    # this works even with copied rules because of the __eq__ implementation of Rule106                    continue107                new.add(r.empty())108            self.url_map = new109    def dispatch(self, request: Request) -> Response:110        """111        Does the entire dispatching roundtrip, from matching the request to endpoints, and then invoking the endpoint112        using the configured dispatcher of the router. For more information on the matching behavior,113        see ``werkzeug.routing.MapAdapter.match()``.114        :param request: the HTTP request115        :return: the HTTP response116        """...

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