def setUpModule(): if USE_EMULATOR: from google.auth.credentials import AnonymousCredentials emulator_project = os.getenv("GCLOUD_PROJECT", "emulator-test-project") Config.CLIENT = Client(project=emulator_project, credentials=AnonymousCredentials()) else: Config.CLIENT = Client() retry = RetryErrors(exceptions.ServiceUnavailable) configs = list(retry(Config.CLIENT.list_instance_configs)()) instances = retry(_list_instances)() EXISTING_INSTANCES[:] = instances if CREATE_INSTANCE: if not USE_EMULATOR: # Defend against back-end returning configs for regions we aren't # actually allowed to use. configs = [config for config in configs if "-us-" in config.name] if not configs: raise ValueError("List instance configs failed in module set up.") Config.INSTANCE_CONFIG = configs[0] config_name = configs[0].name Config.INSTANCE = Config.CLIENT.instance(INSTANCE_ID, config_name) created_op = Config.INSTANCE.create() created_op.result(30) # block until completion else: Config.INSTANCE = Config.CLIENT.instance(INSTANCE_ID) Config.INSTANCE.reload()
def setup(self): # setting up client to connect with cloud spanner spanner_client = Client(self._spanner_configuration.project) instance = spanner_client.instance(self._spanner_configuration.instance) self._database = instance.database( self._spanner_configuration.database, pool=self._spanner_configuration.pool)
def setUpModule(): Config.CLIENT = Client() retry = RetryErrors(GrpcRendezvous, error_predicate=_retry_on_unavailable) configs = list(retry(Config.CLIENT.list_instance_configs)()) # Defend against back-end returning configs for regions we aren't # actually allowed to use. configs = [config for config in configs if '-us-' in config.name] if len(configs) < 1: raise ValueError('List instance configs failed in module set up.') Config.INSTANCE_CONFIG = configs[0] config_name = configs[0].name instances = retry(_list_instances)() EXISTING_INSTANCES[:] = instances if CREATE_INSTANCE: Config.INSTANCE = Config.CLIENT.instance(INSTANCE_ID, config_name) created_op = Config.INSTANCE.create() created_op.result(30) # block until completion else: Config.INSTANCE = Config.CLIENT.instance(INSTANCE_ID) Config.INSTANCE.reload()
def setup(self): spanner_client = Client(self._spanner_configuration.project) instance = spanner_client.instance( self._spanner_configuration.instance) self._db_instance = instance.database( self._spanner_configuration.database, pool=self._spanner_configuration.pool)
def setup(self): spanner_client = Client(self._spanner_configuration.project) instance = spanner_client.instance(self._spanner_configuration.instance) self._database = instance.database( self._spanner_configuration.database, pool=self._spanner_configuration.pool) self._snapshot = self._database.batch_snapshot( **self._spanner_configuration.snapshot_options)
def setup(self): spanner_client = Client( project=self._spanner_configuration.project, credentials=self._spanner_configuration.credentials) instance = spanner_client.instance(self._spanner_configuration.instance) self._database = instance.database( self._spanner_configuration.database, pool=self._spanner_configuration.pool) self._snapshot = self._database.batch_snapshot( **self._spanner_configuration.snapshot_options) self._snapshot_dict = self._snapshot.to_dict()
def setup(self): self._spanner_client = Client( project=self._project_id, credentials=self._credentials) self._instance = self._spanner_client.instance(self._instance_id) self._database = self._instance.database(self._database_id, pool=self._pool)
from google.cloud.spanner import Client # Import relative to the script's directory from streaming_utils import DATABASE_NAME from streaming_utils import INSTANCE_NAME from streaming_utils import print_func def remove_database(client): instance = client.instance(INSTANCE_NAME) if not instance.exists(): print_func("Instance does not exist: {}".format(INSTANCE_NAME)) return print_func("Instance exists: {}".format(INSTANCE_NAME)) instance.reload() database = instance.database(DATABASE_NAME) if not database.exists(): print_func("Database does not exist: {}".format(DATABASE_NAME)) return print_func("Dropping database: {}".format(DATABASE_NAME)) database.drop() if __name__ == "__main__": client = Client() remove_database(client)
def __init__(self, project_id: str, instance_id, db_id): self.project_id = project_id self.__db = Client(project_id).instance(instance_id).database(db_id)
from google.cloud.spanner import Client from google.cloud.spanner_v1.session import Session from faker import Faker PROJECT_NAME = 'grass-clump-479' INSTANCE_NAME = 'python-write' DATABASE_NAME = 'pythontest' client = Client(project=PROJECT_NAME) instance = client.instance(INSTANCE_NAME) database = instance.database(DATABASE_NAME) session = Session(database) session.create() transaction = session.transaction() transaction.begin() fake = Faker() for i in range(10000): transaction.insert(table='table_python', columns=( 'key', 'textcolumn', ), values=[ (i, fake.name()), ]) transaction.commit() with database.snapshot() as snapshot: results = snapshot.execute_sql('SELECT key,textcolumn from table_python') for row in results: