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How to use get_lock_for_request method in localstack

Best Python code snippet using localstack_python

plugins.py

Source:plugins.py

...48    @abc.abstractmethod49    def is_write_request(self, request: Request) -> bool:50        """Returns whether the given request is a write request that should trigger serialization"""51        return False52    def get_lock_for_request(self, request: Request) -> Optional[rwlock.Lockable]:53        """Returns a lock (or None) that should be used to guard the given request, for concurrency control"""54        return None55    def get_context(self) -> PersistenceContext:56        """Returns the current persistence context"""57        return None58class StateSerializerComposite(StateSerializer):59    """Composite state serializer that delegates the requests to a list of underlying concrete serializers"""60    def __init__(self, serializers: List[StateSerializer] = None):61        self.serializers: List[StateSerializer] = serializers or []62    def restore_state(self, context: PersistenceContext):63        for serializer in self.serializers:64            serializer.restore_state(context)65    def update_state(self, context: PersistenceContext, request: Request):66        for serializer in self.serializers:67            serializer.update_state(context, request)68    def is_write_request(self, request: Request) -> bool:69        return any(ser.is_write_request(request) for ser in self.serializers)70    def get_lock_for_request(self, request: Request) -> Optional[rwlock.Lockable]:71        if self.serializers:72            return self.serializers[0].get_lock_for_request(73                request74            )  # return lock from first serializer75    def get_context(self) -> PersistenceContext:76        if self.serializers:77            return self.serializers[0].get_context()  # return context from first serializer78# maps service names to serializers (TODO: to be encapsulated in ServicePlugin instances)79SERIALIZERS: Dict[str, StateSerializer] = {}80# -----------------81# PLUGIN UTILITIES82# -----------------83class Plugin(object):84    def __init__(self, name, start, check=None, listener=None, priority=0, active=False):85        self.plugin_name = name86        self.start_function = start...

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