Function tox_add_option

src/tox/session/state.py:46–55

(parser: ToxParser)

@impl
def tox_add_option(parser: ToxParser) -> None:
    from tox.tox_env.register import REGISTER  # noqa: PLC0415

    parser.add_argument(
        "--runner",
        dest="default_runner",
        help="the tox run engine to use when not explicitly stated in tox env configuration",
        default=REGISTER.default_env_runner,
        choices=list(REGISTER.env_runners),
    )