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How to use on_before_stop method in localstack

Best Python code snippet using localstack_python

provider.py

Source:provider.py

...65    lock: threading.RLock66    def __init__(self) -> None:67        self.lambda_service = LambdaService()68        self.lock = threading.RLock()69    def on_before_stop(self) -> None:70        self.lambda_service.stop()71    def _map_config_out(self, version: FunctionVersion) -> FunctionConfiguration:72        return FunctionConfiguration(73            RevisionId=version.config_meta.revision_id,74            FunctionName=version.id.function_name,75            FunctionArn=version.id.qualified_arn(),76            LastModified=version.config_meta.last_modified,77            LastUpdateStatus=LastUpdateStatus.Successful,78            State=State.Active,79            Version=version.id.qualifier,80            Description=version.config.description,81            Role=version.config.role,82            Timeout=version.config.timeout,83            Runtime=version.config.runtime,...

app.py

Source:app.py

...151    def on_key(self, k):152        pass153    def on_mouse(self, m):154        pass155    def on_before_stop(self):156        pass157    def on_after_stop(self):...

database.py

Source:database.py

1from weakref import WeakKeyDictionary2import datetime3from pymongo import MongoClient4from nameko.extensions import DependencyProvider5from nameko.exceptions import safe_for_serialization6class MongoDatabase(DependencyProvider):7    default_connection_uri = 'mongodb://localhost:27017'8    def __init__(self, result_backend=False,9                 on_before_setup=None, on_after_setup=None,10                 on_before_stop=None, on_after_stop=None,11                 on_before_worker_setup=None, on_after_worker_setup=None,12                 on_before_worker_result=None, on_after_worker_result=None):13        self.result_backend = result_backend14        self.logs = WeakKeyDictionary()15        self.client = None16        self.database = None17        # Callbacks18        self.on_before_setup = on_before_setup19        self.on_after_setup = on_after_setup20        self.on_before_stop = on_before_stop21        self.on_after_stop = on_after_stop22        self.on_before_worker_setup = on_before_worker_setup23        self.on_after_worker_setup = on_after_worker_setup24        self.on_before_worker_result = on_before_worker_result25        self.on_after_worker_result = on_after_worker_result26    @property27    def db(self):28        return self.database29    def _run_callback(self, name, **kwargs):30        assert hasattr(self, name), "Callback {} does not exist".format(name)31        callback = getattr(self, name)32        if callback is not None:33            callback(self, **kwargs)34        35    def setup(self):36        self._run_callback('on_before_setup')37        config = self.container.config38        db_name = config.get('MONGODB_DB_NAME', self.container.service_name)39        conn_uri = config.get('MONGODB_CONNECTION_URL', self.default_connection_uri)40        params = {}41        if config.get('MONGODB_USER'):42            if config.get('MONGODB_USER'):43                params['username'] = config.get('MONGODB_USER')44            if config.get('MONGODB_PASSWORD'):45                params['password'] = config.get('MONGODB_PASSWORD')46            if config.get('MONGODB_AUTHENTICATION_BASE'):47                params['authSource'] = config.get('MONGODB_AUTHENTICATION_BASE')48            if config.get('MONGODB_AUTH_MECHANISM'):49                params['authSource'] = config.get('MONGODB_AUTH_MECHANISM')50        self.client = MongoClient(conn_uri, **params)51        self.database = self.client[db_name]52        if self.result_backend:53            self.db.logging.create_index('start', expireAfterSeconds=24*60*60)54            self.db.logging.create_index('call_id')55        self._run_callback('on_after_setup')56    def stop(self):57        self._run_callback('on_before_stop')58        self.client.close()59        self.client = None60        self._run_callback('on_after_stop')61    def get_dependency(self, worker_ctx):62        return self.db63    64    def worker_setup(self, worker_ctx):65        self._run_callback('on_before_worker_setup', worker_ctx=worker_ctx)66        if self.result_backend:67            self.logs[worker_ctx] = datetime.datetime.now()68            service_name = worker_ctx.service_name69            method_name = worker_ctx.entrypoint.method_name70            call_id = worker_ctx.call_id71            self.db.logging.insert_one(72                {73                    'call_id': call_id,74                    'service_name': service_name,75                    'method_name': method_name,76                    'status': 'PENDING',77                    'start': self.logs[worker_ctx]78                }79            )80        self._run_callback('on_after_worker_setup', worker_ctx=worker_ctx)81    def worker_result(self, worker_ctx, result=None, exc_info=None):82        self._run_callback('on_before_worker_result', worker_ctx=worker_ctx, result=result, exc_info=exc_info)83        if self.result_backend:84            call_id = worker_ctx.call_id85            if exc_info is None:86                status = 'SUCCESS'87            else:88                status = 'FAILED'89            now = datetime.datetime.now()90            start = self.logs.pop(worker_ctx)91            self.db.logging.update_one(92                {'call_id': call_id},93                {94                    '$set': {95                        'status': status,96                        'end': now,97                        'elapsed': (now - start).seconds,98                        'exception': safe_for_serialization(exc_info) if exc_info is not None else None99                    }100                }101            )...

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