Cast an object to a renderable by calling __rich__ if present. Args: renderable (object): A potentially renderable object Returns: object: The result of recursively calling __rich__.
(renderable: object)
| 16 | |
| 17 | |
| 18 | def rich_cast(renderable: object) -> "RenderableType": |
| 19 | """Cast an object to a renderable by calling __rich__ if present. |
| 20 | |
| 21 | Args: |
| 22 | renderable (object): A potentially renderable object |
| 23 | |
| 24 | Returns: |
| 25 | object: The result of recursively calling __rich__. |
| 26 | """ |
| 27 | from rich.console import RenderableType |
| 28 | |
| 29 | rich_visited_set: Set[type] = set() # Prevent potential infinite loop |
| 30 | while hasattr(renderable, "__rich__") and not isinstance(renderable, type): |
| 31 | # Detect object which claim to have all the attributes |
| 32 | if hasattr(renderable, _GIBBERISH): |
| 33 | return repr(renderable) |
| 34 | cast_method = getattr(renderable, "__rich__") |
| 35 | renderable = cast_method() |
| 36 | renderable_type = type(renderable) |
| 37 | if renderable_type in rich_visited_set: |
| 38 | break |
| 39 | rich_visited_set.add(renderable_type) |
| 40 | |
| 41 | return cast(RenderableType, renderable) |
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