Function _lint_pre_commit

noxfile.py:1598–1626

(session, rcfile, flags, paths)

def _lint_pre_commit(session, rcfile, flags, paths):
    if "VIRTUAL_ENV" not in os.environ:
        session.error(
            "This should be running from within a virtualenv and "
            "'VIRTUAL_ENV' was not found as an environment variable."
        )
    if "pre-commit" not in os.environ["VIRTUAL_ENV"]:
        session.error(
            "This should be running from within a pre-commit virtualenv and "
            "'VIRTUAL_ENV'({}) does not appear to be a pre-commit virtualenv.".format(
                os.environ["VIRTUAL_ENV"]
            )
        )
    from nox.virtualenv import VirtualEnv

    # Let's patch nox to make it run inside the pre-commit virtualenv
    session._runner.venv = VirtualEnv(
        os.environ["VIRTUAL_ENV"],
        interpreter=session._runner.func.python,
        reuse_existing=True,
        venv=True,
    )
    _lint(
        session,
        rcfile,
        flags,
        paths,
        upgrade_setuptools_and_pip=False,
    )


@nox.session(python="3")