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How to use _post_process_arg_name method in localstack

Best Python code snippet using localstack_python

op_router.py

Source:op_router.py

...162        request_uri_variable = request_uri_variable.strip("+")163    # replace forbidden chars (not allowed in Werkzeug rule variable names) with their placeholder164    escaped_request_uri_variable = request_uri_variable.translate(_rule_replacement_table)165    return f"<{greedy_prefix}{escaped_request_uri_variable}>"166def _post_process_arg_name(arg_key: str) -> str:167    """168    Reverses previous manipulations to the path parameters names (like replacing forbidden characters with169    placeholders).170    :param arg_key: Path param key name extracted using Werkzeug rules171    :return: Post-processed ("un-sanitized") path param key172    """173    result = arg_key174    for original, substitution in _rule_replacements.items():175        result = result.replace(substitution, original)176    return result177def _create_service_map(service: ServiceModel) -> Map:178    """179    Creates a Werkzeug Map object with all rules necessary for the specific service.180    :param service: botocore service model to create the rules for181    :return: a Map instance which is used to perform the in-service operation routing182    """183    ops = [service.operation_model(op_name) for op_name in service.operation_names]184    rules = []185    # group all operations by their path and method186    path_index: Dict[(str, str), List[_HttpOperation]] = defaultdict(list)187    for op in ops:188        http_op = _HttpOperation.from_operation(op)189        path_index[(http_op.path, http_op.method)].append(http_op)190    # create a matching rule for each (path, method) combination191    for (path, method), ops in path_index.items():192        # translate the requestUri to a Werkzeug rule string193        rule_string = _path_param_regex.sub(_transform_path_params_to_rule_vars, path)194        if len(ops) == 1:195            # if there is only a single operation for a (path, method) combination,196            # the default Werkzeug rule can be used directly (this is the case for most rules)197            op = ops[0]198            rules.append(_StrictMethodRule(string=rule_string, method=method, endpoint=op.operation))  # type: ignore199        else:200            # if there is an ambiguity with only the (path, method) combination,201            # a custom rule - which can use additional request metadata - needs to be used202            rules.append(_RequestMatchingRule(string=rule_string, method=method, operations=ops))203    return Map(204        rules=rules,205        strict_slashes=False,206        merge_slashes=False,207        converters={"path": GreedyPathConverter},208    )209class RestServiceOperationRouter:210    """211    A router implementation which abstracts the (quite complex) routing of incoming HTTP requests to a specific212    operation within a "REST" service (rest-xml, rest-json).213    """214    _map: Map215    def __init__(self, service: ServiceModel):216        self._map = _create_service_map(service)217    def match(self, request: Request) -> Tuple[OperationModel, Mapping[str, Any]]:218        """219        Matches the given request to the operation it targets (or raises an exception if no operation matches).220        :param request: The request of which the targeting operation needs to be found221        :return: A tuple with the matched operation and the (already parsed) path params222        :raises: Werkzeug's NotFound exception in case the given request does not match any operation223        """224        # bind the map to get the actual matcher225        matcher: MapAdapter = self._map.bind(request.host)226        # perform the matching227        rule, args = matcher.match(get_raw_path(request), method=request.method, return_rule=True)228        # if the found rule is a _RequestMatchingRule, the multi rule matching needs to be invoked to perform the229        # fine-grained matching based on the whole request230        if isinstance(rule, _RequestMatchingRule):231            rule = rule.match_request(request)232        # post process the arg keys and values233        # - the path param keys need to be "un-sanitized", i.e. sanitized rule variable names need to be reverted234        # - the path param values might still be url-encoded235        args = {_post_process_arg_name(k): unquote(v) for k, v in args.items()}236        # extract the operation model from the rule237        operation: OperationModel = rule.endpoint...

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