Function main

mypy/dmypy/client.py:260–279

The code is top-down.

(argv: list[str])

def main(argv: list[str]) -> None:
    """The code is top-down."""
    check_python_version("dmypy")

    # set recursion limit consistent with mypy/main.py
    sys.setrecursionlimit(RECURSION_LIMIT)

    args = parser.parse_args(argv)
    if not args.action:
        parser.print_usage()
    else:
        try:
            args.action(args)
        except BadStatus as err:
            fail(err.args[0])
        except Exception:
            # We do this explicitly to avoid exceptions percolating up
            # through mypy.api invocations
            traceback.print_exc()
            sys.exit(2)


def fail(msg: str) -> NoReturn: