How to use extract_keys_for_schema method in localstack

Best Python code snippet using localstack_python

utils.py

Source:utils.py

...21        self.items_dict = {}22        for item in self.items_list:23            self.items_dict[self._hashable_key(item)] = item24    def _hashable_key(self, item: Dict):25        keys = SchemaExtractor.extract_keys_for_schema(item=item, key_schema=self.key_schema)26        return canonical_json(keys)27    def find_item(self, item: Dict) -> Optional[Dict]:28        key = self._hashable_key(item)29        return self.items_dict.get(key)30class SchemaExtractor:31    @classmethod32    def extract_keys(cls, item: Dict, table_name: str) -> Optional[Dict]:33        key_schema = cls.get_key_schema(table_name)34        return cls.extract_keys_for_schema(item, key_schema)35    @classmethod36    def extract_keys_for_schema(cls, item: Dict, key_schema: List[Dict]):37        result = {}38        for key in key_schema:39            attr_name = key["AttributeName"]40            if attr_name not in item:41                raise JsonRESTError(42                    error_type="ValidationException",43                    message="One of the required keys was not given a value",44                )45            result[attr_name] = item[attr_name]46        return result47    @classmethod48    def get_key_schema(cls, table_name: str) -> Optional[List[Dict]]:49        from localstack.services.dynamodb.provider import DynamoDBRegion50        table_definitions = DynamoDBRegion.get().table_definitions...

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