How to use _set_envdir_from_devenv method in tox

Best Python code snippet using tox_python

__init__.py

Source:__init__.py

...435    parser.add_argument("--workdir", metavar="PATH", help="tox working directory")436    parser.add_argument(437        "args", nargs="*", help="additional arguments available to command positional substitution"438    )439    def _set_envdir_from_devenv(testenv_config, value):440        if testenv_config.config.option.devenv is not None:441            return py.path.local(testenv_config.config.option.devenv)442        else:443            return value444    parser.add_testenv_attribute(445        name="envdir",446        type="path",447        default="{toxworkdir}/{envname}",448        help="set venv directory -- be very careful when changing this as tox "449        "will remove this directory when recreating an environment",450        postprocess=_set_envdir_from_devenv,451    )452    # add various core venv interpreter attributes453    def setenv(testenv_config, value):...

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