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How to use _register_serialized_reference_replacement method in localstack

Best Python code snippet using localstack_python

transformer.py

Source:transformer.py

...26        """retrieve new enumeration value for a given scope key (e.g. for tokens such as <fn-name:1>"""27        current_counter = self.scoped_tokens.setdefault(scope, 1)28        self.scoped_tokens[scope] += 129        return current_counter30def _register_serialized_reference_replacement(31    transform_context: TransformContext, *, reference_value: str, replacement: str32):33    if '"' in reference_value:34        reference_value = reference_value.replace('"', '\\"')35    cache = transform_context._cache.setdefault("regexcache", set())36    cache_key = reference_value37    if cache_key not in cache:38        actual_replacement = f"<{replacement}:{transform_context.new_scope(replacement)}>"39        cache.add(cache_key)40        def _helper(bound_result, bound_replacement):41            def replace_val(s):42                SNAPSHOT_LOGGER.debug(43                    f"Replacing '{bound_result}' in snapshot with '{bound_replacement}'"44                )45                return s.replace(bound_result, bound_replacement, -1)46            return replace_val47        SNAPSHOT_LOGGER.debug(48            f"Registering reference replacement for value: '{reference_value}' -> '{actual_replacement}'"49        )50        transform_context.register_serialized_replacement(51            _helper(reference_value, actual_replacement)52        )53class Transformer(Protocol):54    def transform(self, input_data: dict, *, ctx: TransformContext) -> dict:55        ...56# Transformers57class ResponseMetaDataTransformer:58    def transform(self, input_data: dict, *, ctx: TransformContext) -> dict:59        for k, v in input_data.items():60            if k == "ResponseMetadata":61                metadata = v62                http_headers = metadata.get("HTTPHeaders")63                # TODO "x-amz-bucket-region"64                # TestS3.test_region_header_exists -> verifies bucket-region65                headers_to_collect = ["content_type"]66                simplified_headers = {}67                for h in headers_to_collect:68                    if http_headers.get(h):69                        simplified_headers[h] = http_headers[h]70                simplified_metadata = {71                    "HTTPHeaders": simplified_headers,72                }73                # HTTPStatusCode might be removed for marker skip_snapshot_verify74                if status_code := metadata.get("HTTPStatusCode"):75                    simplified_metadata["HTTPStatusCode"] = status_code76                input_data[k] = simplified_metadata77            elif isinstance(v, dict):78                input_data[k] = self.transform(v, ctx=ctx)79        return input_data80class JsonpathTransformer:81    def __init__(self, jsonpath: str, replacement: str, replace_reference: bool = True) -> None:82        self.jsonpath = jsonpath83        self.replacement = replacement84        self.replace_references = replace_reference85    def transform(self, input_data: dict, *, ctx: TransformContext) -> dict:86        pattern = parse(self.jsonpath)87        if self.replace_references:88            res = pattern.find(input_data)89            if not res:90                SNAPSHOT_LOGGER.debug(f"No match found for JsonPath '{self.jsonpath}'")91                return input_data92            for r in res:93                value_to_replace = r.value94                _register_serialized_reference_replacement(95                    ctx, reference_value=value_to_replace, replacement=self.replacement96                )97        else:98            original = copy.deepcopy(input_data)99            pattern.update(input_data, self.replacement)100            if original != input_data:101                SNAPSHOT_LOGGER.debug(102                    f"Replacing JsonPath '{self.jsonpath}' in snapshot with '{self.replacement}'"103                )104            else:105                SNAPSHOT_LOGGER.debug(f"No match found for JsonPath '{self.jsonpath}'")106        return input_data107    def _add_jsonpath_replacement(self, jsonpath, replacement):108        self.json_path_replacement_list.append((jsonpath, replacement))109class RegexTransformer:110    def __init__(self, regex: str | Pattern[str], replacement: str):111        self.regex = regex112        self.replacement = replacement113    def transform(self, input_data: dict, *, ctx: TransformContext) -> dict:114        compiled_regex = re.compile(self.regex) if isinstance(self.regex, str) else self.regex115        def _regex_replacer_helper(pattern: Pattern[str], repl: str):116            def replace_val(s):117                result = re.sub(pattern, repl, s)118                if result != s:119                    SNAPSHOT_LOGGER.debug(f"Replacing regex '{pattern.pattern}' with '{repl}'")120                else:121                    SNAPSHOT_LOGGER.debug(f"No match found for regex '{pattern.pattern}'")122                return result123            return replace_val124        ctx.register_serialized_replacement(125            _regex_replacer_helper(compiled_regex, self.replacement)126        )127        SNAPSHOT_LOGGER.debug(128            f"Registering regex pattern '{compiled_regex.pattern}' in snapshot with '{self.replacement}'"129        )130        return input_data131class KeyValueBasedTransformer:132    def __init__(133        self,134        match_fn: Callable[[str, str], Optional[str]],135        replacement: str,136        replace_reference: bool = True,137    ):138        self.match_fn = match_fn139        self.replacement = replacement140        self.replace_reference = replace_reference141    def transform(self, input_data: dict, *, ctx: TransformContext) -> dict:142        for k, v in input_data.items():143            if match_result := self.match_fn(k, v):144                if self.replace_reference:145                    _register_serialized_reference_replacement(146                        ctx, reference_value=match_result, replacement=self.replacement147                    )148                else:149                    SNAPSHOT_LOGGER.debug(150                        f"Replacing value for key '{k}' with '{self.replacement}'. (Original value: {str(v)})"151                    )152                    input_data[k] = self.replacement153            elif isinstance(v, list) and len(v) > 0 and isinstance(v[0], dict):154                for i in range(0, len(v)):155                    v[i] = self.transform(v[i], ctx=ctx)156            elif isinstance(v, dict):157                input_data[k] = self.transform(v, ctx=ctx)158        return input_data159class GenericTransformer:...

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