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42 lines
1.3 KiB
42 lines
1.3 KiB
from typing import Any, cast, Set, TYPE_CHECKING
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from inspect import isclass
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if TYPE_CHECKING:
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from rich.console import RenderableType
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_GIBBERISH = """aihwerij235234ljsdnp34ksodfipwoe234234jlskjdf"""
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def is_renderable(check_object: Any) -> bool:
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"""Check if an object may be rendered by Rich."""
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return (
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isinstance(check_object, str)
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or hasattr(check_object, "__rich__")
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or hasattr(check_object, "__rich_console__")
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)
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def rich_cast(renderable: object) -> "RenderableType":
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"""Cast an object to a renderable by calling __rich__ if present.
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Args:
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renderable (object): A potentially renderable object
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Returns:
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object: The result of recursively calling __rich__.
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"""
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from rich.console import RenderableType
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rich_visited_set: Set[type] = set() # Prevent potential infinite loop
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while hasattr(renderable, "__rich__") and not isclass(renderable):
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# Detect object which claim to have all the attributes
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if hasattr(renderable, _GIBBERISH):
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return repr(renderable)
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cast_method = getattr(renderable, "__rich__")
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renderable = cast_method()
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renderable_type = type(renderable)
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if renderable_type in rich_visited_set:
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break
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rich_visited_set.add(renderable_type)
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return cast(RenderableType, renderable)
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