Function Self

Lib/typing.py:653–669

Used to spell the type of "self" in classes. Example:: from typing import Self class Foo: def return_self(self) -> Self: ... return self This is especially useful for: - classmethods that are used as alternative construc

(self, parameters)

@_SpecialForm
def Self(self, parameters):
    """Used to spell the type of "self" in classes.

    Example::

        from typing import Self

        class Foo:
            def return_self(self) -> Self:
                ...
                return self

    This is especially useful for:
        - classmethods that are used as alternative constructors
        - annotating an `__enter__` method which returns self
    """
    raise TypeError(f"{self} is not subscriptable")


@_SpecialForm