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How to use delete_all_event_source_mappings method in localstack

Best Python code snippet using localstack_python

dynamodb_listener.py

Source:dynamodb_listener.py

...286            event_publisher.fire_event(287                event_publisher.EVENT_DYNAMODB_DELETE_TABLE,288                payload={'n': event_publisher.get_hash(data['TableName'])}289            )290            self.delete_all_event_source_mappings(table_arn)291            TABLE_TAGS.pop(table_arn, None)292            return293        elif action == '%s.UpdateTable' % ACTION_PREFIX:294            if 'StreamSpecification' in data:295                if response.status_code == 200:296                    content = json.loads(to_str(response._content))297                    create_dynamodb_stream(data, content['TableDescription'].get('LatestStreamLabel'))298            return299        elif action == '%s.TagResource' % ACTION_PREFIX:300            table_arn = data['ResourceArn']301            if table_arn not in TABLE_TAGS:302                TABLE_TAGS[table_arn] = {}303            TABLE_TAGS[table_arn].update({tag['Key']: tag['Value'] for tag in data.get('Tags', [])})304            return305        elif action == '%s.UntagResource' % ACTION_PREFIX:306            table_arn = data['ResourceArn']307            for tag_key in data.get('TagKeys', []):308                TABLE_TAGS.get(table_arn, {}).pop(tag_key, None)309            return310        else:311            # nothing to do312            return313        if len(records) > 0 and 'eventName' in records[0]:314            if 'TableName' in data:315                records[0]['eventSourceARN'] = aws_stack.dynamodb_table_arn(data['TableName'])316            forward_to_lambda(records)317            forward_to_ddb_stream(records)318    # -------------319    # UTIL METHODS320    # -------------321    def prepare_batch_write_item_records(self, record, data):322        records = []323        i = 0324        for table_name in sorted(data['RequestItems'].keys()):325            for request in data['RequestItems'][table_name]:326                put_request = request.get('PutRequest')327                if put_request:328                    existing_item = self._thread_local('existing_items')[i]329                    keys = dynamodb_extract_keys(item=put_request['Item'], table_name=table_name)330                    if isinstance(keys, Response):331                        return keys332                    new_record = clone(record)333                    new_record['eventName'] = 'INSERT' if not existing_item else 'MODIFY'334                    new_record['dynamodb']['Keys'] = keys335                    new_record['dynamodb']['NewImage'] = put_request['Item']336                    if existing_item:337                        new_record['dynamodb']['OldImage'] = existing_item338                    new_record['eventSourceARN'] = aws_stack.dynamodb_table_arn(table_name)339                    records.append(new_record)340                delete_request = request.get('DeleteRequest')341                if delete_request:342                    keys = delete_request['Key']343                    if isinstance(keys, Response):344                        return keys345                    new_record = clone(record)346                    new_record['eventName'] = 'REMOVE'347                    new_record['dynamodb']['Keys'] = keys348                    new_record['dynamodb']['OldImage'] = self._thread_local('existing_items')[i]349                    new_record['eventSourceARN'] = aws_stack.dynamodb_table_arn(table_name)350                    records.append(new_record)351                i += 1352        return records353    def prepare_transact_write_item_records(self, record, data):354        records = []355        # Fix issue #2745: existing_items only contain the Put/Update/Delete records,356        # so we will increase the index based on these events357        i = 0358        for request in data['TransactItems']:359            put_request = request.get('Put')360            if put_request:361                existing_item = self._thread_local('existing_items')[i]362                table_name = put_request['TableName']363                keys = dynamodb_extract_keys(item=put_request['Item'], table_name=table_name)364                if isinstance(keys, Response):365                    return keys366                new_record = clone(record)367                new_record['eventName'] = 'INSERT' if not existing_item else 'MODIFY'368                new_record['dynamodb']['Keys'] = keys369                new_record['dynamodb']['NewImage'] = put_request['Item']370                if existing_item:371                    new_record['dynamodb']['OldImage'] = existing_item372                new_record['eventSourceARN'] = aws_stack.dynamodb_table_arn(table_name)373                records.append(new_record)374                i += 1375            update_request = request.get('Update')376            if update_request:377                table_name = update_request['TableName']378                keys = update_request['Key']379                if isinstance(keys, Response):380                    return keys381                updated_item = find_existing_item(update_request, table_name)382                if not updated_item:383                    return384                new_record = clone(record)385                new_record['eventName'] = 'MODIFY'386                new_record['dynamodb']['Keys'] = keys387                new_record['dynamodb']['OldImage'] = self._thread_local('existing_items')[i]388                new_record['dynamodb']['NewImage'] = updated_item389                new_record['eventSourceARN'] = aws_stack.dynamodb_table_arn(table_name)390                records.append(new_record)391                i += 1392            delete_request = request.get('Delete')393            if delete_request:394                table_name = delete_request['TableName']395                keys = delete_request['Key']396                if isinstance(keys, Response):397                    return keys398                new_record = clone(record)399                new_record['eventName'] = 'REMOVE'400                new_record['dynamodb']['Keys'] = keys401                new_record['dynamodb']['OldImage'] = self._thread_local('existing_items')[i]402                new_record['eventSourceARN'] = aws_stack.dynamodb_table_arn(table_name)403                records.append(new_record)404                i += 1405        return records406    def delete_all_event_source_mappings(self, table_arn):407        if table_arn:408            # fix start dynamodb service without lambda409            if not is_api_enabled('lambda'):410                return411            lambda_client = aws_stack.connect_to_service('lambda')412            result = lambda_client.list_event_source_mappings(EventSourceArn=table_arn)413            for event in result['EventSourceMappings']:414                event_source_mapping_id = event['UUID']415                lambda_client.delete_event_source_mapping(UUID=event_source_mapping_id)416    @staticmethod417    def _thread_local(name, default=None):418        try:419            return getattr(ProxyListenerDynamoDB.thread_local, name)420        except AttributeError:...

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