Method get

rich/measure.py:79–122

Get a measurement for a renderable. Args: console (~rich.console.Console): Console instance. options (~rich.console.ConsoleOptions): Console options. renderable (RenderableType): An object that may be rendered with Rich. Raises: error

(
        cls, console: "Console", options: "ConsoleOptions", renderable: "RenderableType"
    )

    @classmethod
    def get(
        cls, console: "Console", options: "ConsoleOptions", renderable: "RenderableType"
    ) -> "Measurement":
        """Get a measurement for a renderable.

        Args:
            console (~rich.console.Console): Console instance.
            options (~rich.console.ConsoleOptions): Console options.
            renderable (RenderableType): An object that may be rendered with Rich.

        Raises:
            errors.NotRenderableError: If the object is not renderable.

        Returns:
            Measurement: Measurement object containing range of character widths required to render the object.
        """
        _max_width = options.max_width
        if _max_width < 1:
            return Measurement(0, 0)
        if isinstance(renderable, str):
            renderable = console.render_str(
                renderable, markup=options.markup, highlight=False
            )
        renderable = rich_cast(renderable)
        if is_renderable(renderable):
            get_console_width: Optional[
                Callable[["Console", "ConsoleOptions"], "Measurement"]
            ] = getattr(renderable, "__rich_measure__", None)
            if get_console_width is not None:
                render_width = (
                    get_console_width(console, options)
                    .normalize()
                    .with_maximum(_max_width)
                )
                if render_width.maximum < 1:
                    return Measurement(0, 0)
                return render_width.normalize()
            else:
                return Measurement(0, _max_width)
        else:
            raise errors.NotRenderableError(
                f"Unable to get render width for {renderable!r}; "
                "a str, Segment, or object with __rich_console__ method is required"
            )


def measure_renderables(