def get(config, archiver, revision):
root = pathlib.Path(config.cache_path) / archiver<EOL>with (root / f"<STR_LIT>").open("<STR_LIT:r>") as rev_f:<EOL><INDENT>index = json.load(rev_f)<EOL><DEDENT>return index<EOL>
Get the data for a given revision.

:param config: The configuration
:type  config: :class:`wily.config.WilyConfig`

:param archiver: The name of the archiver type (e.g. 'git')
:type  archiver: ``str``

:param revision: The revision ID
:type  revision: ``str``

:return: The data record for that revision
:rtype: ``dict``