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docs/source/group.rst
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Will McGugan
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03 авг 2021, 15:25
03 авг 2021, 15:25
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Render Groups ============= The :class:`~rich.console.Group` class allows you to group several renderables together so they may be rendered in a context where only a single renderable may be supplied. For instance, you might want to display several renderables within a :class:`~rich.panel.Panel`. To render two panels within a third panel, you would construct a Group with the *child* renderables as positional arguments then wrap the result in another Panel:: from rich import print from rich.console import Group from rich.panel import Panel panel_group = Group( Panel("Hello", style="on blue"), Panel("World", style="on red"), ) print(Panel(panel_group)) This pattern is nice when you know in advance what renderables will be in a group, but can get awkward if you have a larger number of renderables, especially if they are dynamic. Rich provides a :func:`~rich.console.group` decorator to help with these situations. The decorator builds a group from an iterator of renderables. The following is the equivalent of the previous example using the decorator:: from rich import print from rich.console import group from rich.panel import Panel @group() def get_panels(): yield Panel("Hello", style="on blue") yield Panel("World", style="on red") print(Panel(get_panels()))