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from abc import ABC |
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class RichRenderable(ABC): |
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"""An abstract base class for Rich renderables. |
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Note that there is no need to extend this class, the intended use is to check if an |
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object supports the Rich renderable protocol. For example:: |
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if isinstance(my_object, RichRenderable): |
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console.print(my_object) |
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""" |
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@classmethod |
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def __subclasshook__(cls, other: type) -> bool: |
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"""Check if this class supports the rich render protocol.""" |
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return hasattr(other, "__rich_console__") or hasattr(other, "__rich__") |
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if __name__ == "__main__": |
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from pip._vendor.rich.text import Text |
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t = Text() |
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print(isinstance(Text, RichRenderable)) |
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print(isinstance(t, RichRenderable)) |
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class Foo: |
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pass |
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f = Foo() |
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print(isinstance(f, RichRenderable)) |
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print(isinstance("", RichRenderable)) |
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