KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use _create_event_stream method in localstack

Best Python code snippet using localstack_python

parsers.py

Source:parsers.py

2    RestJSONParser, JSONParser, QueryParser, EC2QueryParser, \3    NoInitialResponseError, ResponseParserError, LOG, lowercase_dict4from .eventstream import AioEventStream5class AioRestXMLParser(RestXMLParser):6    def _create_event_stream(self, response, shape):7        parser = self._event_stream_parser8        name = response['context'].get('operation_name')9        return AioEventStream(response['body'], shape, parser, name)10class AioEC2QueryParser(EC2QueryParser):11    def _create_event_stream(self, response, shape):12        parser = self._event_stream_parser13        name = response['context'].get('operation_name')14        return AioEventStream(response['body'], shape, parser, name)15class AioQueryParser(QueryParser):16    def _create_event_stream(self, response, shape):17        parser = self._event_stream_parser18        name = response['context'].get('operation_name')19        return AioEventStream(response['body'], shape, parser, name)20class AioJSONParser(JSONParser):21    async def _do_parse(self, response, shape):22        parsed = {}23        if shape is not None:24            event_name = shape.event_stream_name25            if event_name:26                parsed = await self._handle_event_stream(response, shape, event_name)27            else:28                parsed = self._handle_json_body(response['body'], shape)29        self._inject_response_metadata(parsed, response['headers'])30        return parsed31    def _create_event_stream(self, response, shape):32        parser = self._event_stream_parser33        name = response['context'].get('operation_name')34        return AioEventStream(response['body'], shape, parser, name)35    async def _handle_event_stream(self, response, shape, event_name):36        event_stream_shape = shape.members[event_name]37        event_stream = self._create_event_stream(response, event_stream_shape)38        try:39            event = await event_stream.get_initial_response()40        except NoInitialResponseError:41            error_msg = 'First event was not of type initial-response'42            raise ResponseParserError(error_msg)43        parsed = self._handle_json_body(event.payload, shape)44        parsed[event_name] = event_stream45        return parsed46    # this is actually from ResponseParser however for now JSONParser is the47    # only class that needs this async48    async def parse(self, response, shape):49        LOG.debug('Response headers: %s', response['headers'])50        LOG.debug('Response body:\n%s', response['body'])51        if response['status_code'] >= 301:52            if self._is_generic_error_response(response):53                parsed = self._do_generic_error_parse(response)54            elif self._is_modeled_error_shape(shape):55                parsed = self._do_modeled_error_parse(response, shape)56                # We don't want to decorate the modeled fields with metadata57                return parsed58            else:59                parsed = self._do_error_parse(response, shape)60        else:61            parsed = await self._do_parse(response, shape)62        # We don't want to decorate event stream responses with metadata63        if shape and shape.serialization.get('eventstream'):64            return parsed65        # Add ResponseMetadata if it doesn't exist and inject the HTTP66        # status code and headers from the response.67        if isinstance(parsed, dict):68            response_metadata = parsed.get('ResponseMetadata', {})69            response_metadata['HTTPStatusCode'] = response['status_code']70            # Ensure that the http header keys are all lower cased. Older71            # versions of urllib3 (< 1.11) would unintentionally do this for us72            # (see urllib3#633). We need to do this conversion manually now.73            headers = response['headers']74            response_metadata['HTTPHeaders'] = lowercase_dict(headers)75            parsed['ResponseMetadata'] = response_metadata76        return parsed77class AioRestJSONParser(RestJSONParser):78    def _create_event_stream(self, response, shape):79        parser = self._event_stream_parser80        name = response['context'].get('operation_name')81        return AioEventStream(response['body'], shape, parser, name)82PROTOCOL_PARSERS = {83    'ec2': AioEC2QueryParser,84    'query': AioQueryParser,85    'json': AioJSONParser,86    'rest-json': AioRestJSONParser,87    'rest-xml': AioRestXMLParser,88}89class AioResponseParserFactory(ResponseParserFactory):90    def create_parser(self, protocol_name):91        parser_cls = PROTOCOL_PARSERS[protocol_name]92        return parser_cls(**self._defaults)...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.