Touch Method

class rucio.client.touchclient.TouchClient(rucio_host=None, auth_host=None, account=None, ca_cert=None, auth_type=None, creds=None, timeout=600, user_agent='rucio-clients', vo=None)

Bases: rucio.client.baseclient.BaseClient

Touch client class to send a trace that can be used to update accessed_at for file or dataset DIDs

DIDS_BASEURL = 'dids'

TRACES_BASEURL = 'traces'

touch(scope, name, rse=None)

Sends a touch trace for a given file or dataset.

Parameters

• scope – the scope of the file/dataset to update.

• name – the name of file/dataset to update.

• rse – optional parameter if a specific replica should be touched.

Raises

• DataIdentifierNotFound – if given dids does not exist.

• RSENotFound – if rse is not None and given rse does not exist.

• UnsupportedDIDType – if type of the given DID is not FILE or DATASET.

• RucioException – if trace could not be sent successfully.