Function _find_config_file

mypy/config_parser.py:270–299

(
    stderr: TextIO | None = None,
)

def _find_config_file(
    stderr: TextIO | None = None,
) -> tuple[MutableMapping[str, Any], dict[str, _INI_PARSER_CALLABLE], str] | None:

    current_dir = os.path.abspath(os.getcwd())

    while True:
        for name in defaults.CONFIG_NAMES + defaults.SHARED_CONFIG_NAMES:
            config_file = os.path.relpath(os.path.join(current_dir, name))
            ret = _parse_individual_file(config_file, stderr)
            if ret is None:
                continue
            return ret

        if any(
            os.path.exists(os.path.join(current_dir, cvs_root)) for cvs_root in (".git", ".hg")
        ):
            break
        parent_dir = os.path.dirname(current_dir)
        if parent_dir == current_dir:
            break
        current_dir = parent_dir

    for config_file in defaults.USER_CONFIG_FILES:
        ret = _parse_individual_file(config_file, stderr)
        if ret is None:
            continue
        return ret

    return None


def parse_config_file(