cached_property() — anthropic-sdk-python Function Reference

Architecture documentation for the cached_property() function in _compat.py from the anthropic-sdk-python codebase.

Function python AnthropicClient SyncAPI

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AnthropicClient→ SyncAPI→ cached_property() — anthropic-sdk-python Function Reference

Dependency Diagram

graph TD
  648f3c73_52dd_5f80_1f4d_855f613beb61["cached_property()"]
  5828b8ae_9c8c_9b95_9f29_d2659004d334["_compat.py"]
  648f3c73_52dd_5f80_1f4d_855f613beb61 -->|defined in| 5828b8ae_9c8c_9b95_9f29_d2659004d334
  style 648f3c73_52dd_5f80_1f4d_855f613beb61 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/anthropic/_compat.py lines 193–221

    cached_property = property

    # we define a separate type (copied from typeshed)
    # that represents that `cached_property` is `set`able
    # at runtime, which differs from `@property`.
    #
    # this is a separate type as editors likely special case
    # `@property` and we don't want to cause issues just to have
    # more helpful internal types.

    class typed_cached_property(Generic[_T]):
        func: Callable[[Any], _T]
        attrname: str | None

        def __init__(self, func: Callable[[Any], _T]) -> None: ...

        @overload
        def __get__(self, instance: None, owner: type[Any] | None = None) -> Self: ...

        @overload
        def __get__(self, instance: object, owner: type[Any] | None = None) -> _T: ...

        def __get__(self, instance: object, owner: type[Any] | None = None) -> _T | Self:
            raise NotImplementedError()

        def __set_name__(self, owner: type[Any], name: str) -> None: ...

        # __set__ is not defined at runtime, but @cached_property is designed to be settable
        def __set__(self, instance: object, value: _T) -> None: ...