abc.pyā¢878 B
from abc import ABC
class RichRenderable(ABC):
"""An abstract base class for Rich renderables.
Note that there is no need to extend this class, the intended use is to check if an
object supports the Rich renderable protocol. For example::
if isinstance(my_object, RichRenderable):
console.print(my_object)
"""
@classmethod
def __subclasshook__(cls, other: type) -> bool:
"""Check if this class supports the rich render protocol."""
return hasattr(other, "__rich_console__") or hasattr(other, "__rich__")
if __name__ == "__main__": # pragma: no cover
from rich.text import Text
t = Text()
print(isinstance(Text, RichRenderable))
print(isinstance(t, RichRenderable))
class Foo:
pass
f = Foo()
print(isinstance(f, RichRenderable))
print(isinstance("", RichRenderable))