Function is_protocol

Lib/typing.py:3838–3856

Return True if the given type is a Protocol. Example:: >>> from typing import Protocol, is_protocol >>> class P(Protocol): ... def a(self) -> str: ... ... b: int >>> is_protocol(P) True >>> is_protocol(int) False

(tp: type, /)

def is_protocol(tp: type, /) -> bool:
    """Return True if the given type is a Protocol.

    Example::

        >>> from typing import Protocol, is_protocol
        >>> class P(Protocol):
        ...     def a(self) -> str: ...
        ...     b: int
        >>> is_protocol(P)
        True
        >>> is_protocol(int)
        False
    """
    return (
        isinstance(tp, type)
        and getattr(tp, '_is_protocol', False)
        and tp != Protocol
    )


def get_protocol_members(tp: type, /) -> frozenset[str]: