How to use to_invocation_context method in localstack

Best Python code snippet using localstack_python

router_asf.py

Source:router_asf.py

...11from localstack.services.apigateway.helpers import get_api_region12from localstack.services.apigateway.invocations import invoke_rest_api_from_request13from localstack.utils.aws.aws_responses import LambdaResponse14LOG = logging.getLogger(__name__)15def to_invocation_context(16    request: Request, url_params: Dict[str, Any] = None17) -> ApiInvocationContext:18    """19    Converts an HTTP Request object into an ApiInvocationContext.20    :param request: the original request21    :param url_params: the parameters extracted from the URL matching rules22    :return: the ApiInvocationContext23    """24    if url_params is None:25        url_params = {}26    method = request.method27    path = request.full_path if request.query_string else request.path28    data = restore_payload(request)29    headers = Headers(request.headers)30    # adjust the X-Forwarded-For header31    x_forwarded_for = headers.getlist("X-Forwarded-For")32    x_forwarded_for.append(request.remote_addr)33    x_forwarded_for.append(request.host)34    headers["X-Forwarded-For"] = ", ".join(x_forwarded_for)35    # set the x-localstack-edge header, it is used to parse the domain36    headers[HEADER_LOCALSTACK_EDGE_URL] = request.host_url.strip("/")37    # FIXME: Use the already parsed url params instead of parsing them into the ApiInvocationContext part-by-part.38    #   We already would have all params at hand to avoid _all_ the parsing, but the parsing39    #   has side-effects (f.e. setting the region in a thread local)!40    #   It would be best to use a small (immutable) context for the already parsed params and the Request object41    #   and use it everywhere.42    return ApiInvocationContext(method, path, data, headers, stage=url_params.get("stage"))43def convert_response(result: RequestsResponse) -> Response:44    """45    Utility function to convert a response for the requests library to our internal (Werkzeug based) Response object.46    """47    if result is None:48        return Response()49    if isinstance(result, LambdaResponse):50        headers = Headers(dict(result.headers))51        for k, values in result.multi_value_headers.items():52            for value in values:53                headers.add(k, value)54    else:55        headers = dict(result.headers)56    response = Response(status=result.status_code, headers=headers)57    if isinstance(result.content, dict):58        response.set_json(result.content)59    elif isinstance(result.content, (str, bytes)):60        response.data = result.content61    else:62        raise ValueError(f"Unhandled content type {type(result.content)}")63    return response64class ApigatewayRouter:65    """66    Simple implementation around a Router to manage dynamic restapi routes (routes added by a user through the67    apigateway API).68    """69    router: Router[Handler]70    def __init__(self, router: Router[Handler]):71        self.router = router72        self.registered = False73    def register_routes(self) -> None:74        """Registers parameterized routes for API Gateway user invocations."""75        if self.registered:76            LOG.debug("Skipped API gateway route registration (routes already registered).")77            return78        self.registered = True79        LOG.debug("Registering parameterized API gateway routes.")80        self.router.add(81            "/",82            host="<api_id>.execute-api.<regex('.*'):server>",83            endpoint=self.invoke_rest_api,84            defaults={"path": "", "stage": None},85        )86        self.router.add(87            "/<stage>/",88            host="<api_id>.execute-api.<regex('.*'):server>",89            endpoint=self.invoke_rest_api,90            defaults={"path": ""},91        )92        self.router.add(93            "/<stage>/<path:path>",94            host="<api_id>.execute-api.<regex('.*'):server>",95            endpoint=self.invoke_rest_api,96        )97        # add the localstack-specific _user_request_ routes98        self.router.add(99            "/restapis/<api_id>/<stage>/_user_request_",100            endpoint=self.invoke_rest_api,101            defaults={"path": ""},102        )103        self.router.add(104            "/restapis/<api_id>/<stage>/_user_request_/<path:path>",105            endpoint=self.invoke_rest_api,106        )107    def invoke_rest_api(self, request: Request, **url_params: Dict[str, Any]) -> Response:108        if not get_api_region(url_params["api_id"]):109            return Response(status=404)110        invocation_context = to_invocation_context(request, url_params)111        result = invoke_rest_api_from_request(invocation_context)112        if result is not None:113            return convert_response(result)...

provider_asf.py

Source:provider_asf.py

...23    @handler("TestInvokeMethod", expand=False)24    def test_invoke_method(25        self, context: RequestContext, request: TestInvokeMethodRequest26    ) -> TestInvokeMethodResponse:27        invocation_context = to_invocation_context(context.request)28        invocation_context.method = request["httpMethod"]29        if data := parse_json_or_yaml(to_str(invocation_context.data or b"")):30            orig_data = data31            if path_with_query_string := orig_data.get("pathWithQueryString"):32                invocation_context.path_with_query_string = path_with_query_string33            invocation_context.data = data.get("body")34            invocation_context.headers = orig_data.get("headers", {})35        result = invoke_rest_api_from_request(invocation_context)36        # TODO: implement the other TestInvokeMethodResponse parameters37        #   * multiValueHeaders: Optional[MapOfStringToList]38        #   * log: Optional[String]39        #   * latency: Optional[Long]40        return TestInvokeMethodResponse(41            status=result.status_code,...

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