Method __rich_console__

rich/columns.py:62–171

(
        self, console: Console, options: ConsoleOptions
    )

        self.renderables.append(renderable)

    def __rich_console__(
        self, console: Console, options: ConsoleOptions
    ) -> RenderResult:
        render_str = console.render_str
        renderables = [
            render_str(renderable) if isinstance(renderable, str) else renderable
            for renderable in self.renderables
        ]
        if not renderables:
            return
        _top, right, _bottom, left = Padding.unpack(self.padding)
        width_padding = max(left, right)
        max_width = options.max_width
        widths: Dict[int, int] = defaultdict(int)
        column_count = len(renderables)

        get_measurement = Measurement.get
        renderable_widths = [
            get_measurement(console, options, renderable).maximum
            for renderable in renderables
        ]
        if self.equal:
            renderable_widths = [max(renderable_widths)] * len(renderable_widths)

        def iter_renderables(
            column_count: int,
        ) -> Iterable[Tuple[int, Optional[RenderableType]]]:
            item_count = len(renderables)
            if self.column_first:
                width_renderables = list(zip(renderable_widths, renderables))

                column_lengths: List[int] = [item_count // column_count] * column_count
                for col_no in range(item_count % column_count):
                    column_lengths[col_no] += 1

                row_count = (item_count + column_count - 1) // column_count
                cells = [[-1] * column_count for _ in range(row_count)]
                row = col = 0
                for index in range(item_count):
                    cells[row][col] = index
                    column_lengths[col] -= 1
                    if column_lengths[col]:
                        row += 1
                    else:
                        col += 1
                        row = 0
                for index in chain.from_iterable(cells):
                    if index == -1:
                        break
                    yield width_renderables[index]
            else:
                yield from zip(renderable_widths, renderables)
            # Pad odd elements with spaces
            if item_count % column_count:
                for _ in range(column_count - (item_count % column_count)):
                    yield 0, None

        table = Table.grid(padding=self.padding, collapse_padding=True, pad_edge=False)