def spanner_api(self):
"""Helper for session-related API calls."""
if self._spanner_api is None:
client_info = self._instance._client._client_info
client_options = self._instance._client._client_options
if self._instance.emulator_host is not None:
transport = spanner_grpc_transport.SpannerGrpcTransport(
channel=grpc.insecure_channel(
self._instance.emulator_host))
self._spanner_api = SpannerClient(
client_info=client_info,
client_options=client_options,
transport=transport,
)
return self._spanner_api
credentials = self._instance._client.credentials
if isinstance(credentials, google.auth.credentials.Scoped):
credentials = credentials.with_scopes((SPANNER_DATA_SCOPE, ))
if (os.getenv("GOOGLE_CLOUD_SPANNER_ENABLE_RESOURCE_BASED_ROUTING")
== "true"):
endpoint_cache = self._instance._client._endpoint_cache
if self._instance.name in endpoint_cache:
client_options = ClientOptions(
api_endpoint=endpoint_cache[self._instance.name])
else:
try:
api = self._instance._client.instance_admin_api
resp = api.get_instance(
self._instance.name,
field_mask={"paths": ["endpoint_uris"]},
metadata=_metadata_with_prefix(self.name),
)
endpoints = resp.endpoint_uris
if endpoints:
endpoint_cache[self._instance.name] = list(
endpoints)[0]
client_options = ClientOptions(
api_endpoint=endpoint_cache[
self._instance.name])
# If there are no endpoints, use default endpoint.
except PermissionDenied:
warnings.warn(
_RESOURCE_ROUTING_PERMISSIONS_WARNING,
ResourceRoutingPermissionsWarning,
stacklevel=2,
)
self._spanner_api = SpannerClient(
credentials=credentials,
client_info=client_info,
client_options=client_options,
)
return self._spanner_api
def spanner_api(self):
"""Helper for session-related API calls."""
if self._spanner_api is None:
credentials = self._instance._client.credentials
if isinstance(credentials, google.auth.credentials.Scoped):
credentials = credentials.with_scopes((SPANNER_DATA_SCOPE, ))
self._spanner_api = SpannerClient(credentials=credentials,
client_info=_CLIENT_INFO)
return self._spanner_api
def spanner_api(self):
"""Helper for session-related API calls."""
if self._spanner_api is None:
credentials = self._instance._client.credentials
if isinstance(credentials, google.auth.credentials.Scoped):
credentials = credentials.with_scopes((SPANNER_DATA_SCOPE, ))
self._spanner_api = SpannerClient(
lib_name='gccl',
lib_version=__version__,
credentials=credentials,
)
return self._spanner_api
def spanner_api(self):
"""Helper for session-related API calls."""
if self._spanner_api is None:
client_info = self._instance._client._client_info
client_options = self._instance._client._client_options
if self._instance.emulator_host is not None:
transport = spanner_grpc_transport.SpannerGrpcTransport(
channel=grpc.insecure_channel(
self._instance.emulator_host))
self._spanner_api = SpannerClient(client_info=client_info,
transport=transport)
return self._spanner_api
credentials = self._instance._client.credentials
if isinstance(credentials, google.auth.credentials.Scoped):
credentials = credentials.with_scopes((SPANNER_DATA_SCOPE, ))
self._spanner_api = SpannerClient(
credentials=credentials,
client_info=client_info,
client_options=client_options,
)
return self._spanner_api