mirror of https://github.com/Textualize/rich.git
30 lines
1.4 KiB
ReStructuredText
30 lines
1.4 KiB
ReStructuredText
Render Groups
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=============
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The :class:`~rich.console.RenderGroup` 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`.
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To render two panels within a third panel, you would construct a RenderGroup with the *child* renderables as positional arguments then wrap the result in another Panel::
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from rich import print
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from rich.console import RenderGroup
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from rich.panel import Panel
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panel_group = RenderGroup(
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Panel("Hello", style="on blue"),
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Panel("World", style="on red"),
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)
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print(Panel(panel_group))
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This pattern is nice when you know in advance what renderables will be in a group, put can get awkward if you have a larger number of renderables, especially if they are dynamic. Rich provides a :func:`~rich.console.render_group` decorator to help with these situations. The decorator builds a render group from an iterator of renderables. The following is the equivalent of the previous example using the decorator::
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from rich import print
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from rich.console import render_group
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from rich.panel import Panel
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@render_group()
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def get_panels():
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yield Panel("Hello", style="on blue")
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yield Panel("World", style="on red")
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print(Panel(get_panels())) |