Best Python code snippet using localstack_python
generic_proxy.py
Source:generic_proxy.py
...354 @classmethod355 def get(cls: Type[T], region: str = None, account_id: str = None) -> T:356 cls.initialise()357 region = region or cls.get_current_request_region()358 account_id = account_id or cls.get_current_request_account_id()359 # Class attributes in RegionBackend need two types of data isolation:360 # - Class attributes like `_ACCOUNT_BACKENDS` must refer to the same mutable object across ALL instances.361 # - Class attributes defined in subclasses represent data common across regions but same account IDs362 # To enable this, we keep copies of this class in `_ACCOUNT_CLS` by account IDs and instantiate that363 # copy of the class for different regions and same account ID364 if MULTI_ACCOUNTS and account_id not in cls._ACCOUNTS_CLS:365 # @classmethod descriptors will be part of a cls.__dict__, but they cannot be pickled by deepcopy366 data = {k: v for k, v in cls.__dict__.items() if not inspect.ismethoddescriptor(v)}367 cls_dict = copy.deepcopy(data)368 cls_dict["_ACCOUNTS_CLS"] = cls._ACCOUNTS_CLS369 cls_dict["_ACCOUNT_BACKENDS"] = cls._ACCOUNT_BACKENDS370 cls._ACCOUNTS_CLS[account_id] = type(cls.__name__, cls.__bases__, cls_dict)371 regions = cls.regions()372 backend = regions.get(region)373 if not backend:374 if MULTI_ACCOUNTS:375 backend = cls._ACCOUNTS_CLS[account_id]()376 else:377 backend = cls()378 backend.name = region379 backend.account_id = account_id380 regions[region] = backend381 return regions[region]382 @classmethod383 def initialise(cls):384 if not hasattr(cls, "_ACCOUNT_BACKENDS"):385 cls._ACCOUNT_BACKENDS = defaultdict(lambda: dict())386 if not hasattr(cls, "_ACCOUNTS_CLS"):387 cls._ACCOUNTS_CLS = dict()388 if not hasattr(cls, "REGIONS"):389 cls.REGIONS = dict()390 @classmethod391 def regions(cls: Type[T]) -> Dict[str, T]:392 """Return a map of all regions and backend instances."""393 cls.initialise()394 account_id = cls.get_current_request_account_id()395 return cls._ACCOUNT_BACKENDS[account_id]396 @classmethod397 def get_current_request_region(cls) -> str:398 return aws_stack.get_region()399 @classmethod400 def get_current_request_account_id(cls) -> str:401 return get_aws_account_id()402 @classmethod403 def reset(cls):404 """Reset the (in-memory) state of this service region backend."""405 cls.initialise()406 cls.REGIONS = {}407 account_id = cls.get_current_request_account_id()408 cls._ACCOUNT_BACKENDS[account_id] = {}409# ---------------------410# PROXY LISTENER UTILS411# ---------------------412def append_cors_headers(413 request_headers: Dict = None, response: Union[Response, LambdaResponse] = None414):415 # use this config to disable returning CORS headers entirely (more restrictive security setting)416 if config.DISABLE_CORS_HEADERS:417 return418 # Note: Use "response is None" here instead of "not response"419 headers = {} if response is None else response.headers420 # In case we have LambdaResponse, copy multivalue headers to regular headers, since421 # CaseInsensitiveDict does not support "__contains__" and it's easier to deal with...
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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!