Method output_to

cmd2/argparse_utils.py:571–584

Context manager to temporarily set the output stream during argparse operations. This is helpful for directing output for functions like `parse_args()`, which default to `sys.stdout` and lack a `file` argument. :param file: the file stream to use for output

(self, file: IO[str] | None)

    @contextlib.contextmanager
    def output_to(self, file: IO[str] | None) -> Iterator[None]:
        """Context manager to temporarily set the output stream during argparse operations.

        This is helpful for directing output for functions like `parse_args()`, which
        default to `sys.stdout` and lack a `file` argument.

        :param file: the file stream to use for output
        """
        previous = self._thread_locals.current_output_file
        self._thread_locals.current_output_file = file
        try:
            yield
        finally:
            self._thread_locals.current_output_file = previous

    def __init__(
        self,