Function get_protocol_members

Lib/typing.py:3859–3875

Return the set of members defined in a Protocol. Example:: >>> from typing import Protocol, get_protocol_members >>> class P(Protocol): ... def a(self) -> str: ... ... b: int >>> get_protocol_members(P) == frozenset({'a', 'b'}) True

(tp: type, /)

def get_protocol_members(tp: type, /) -> frozenset[str]:
    """Return the set of members defined in a Protocol.

    Example::

        >>> from typing import Protocol, get_protocol_members
        >>> class P(Protocol):
        ...     def a(self) -> str: ...
        ...     b: int
        >>> get_protocol_members(P) == frozenset({'a', 'b'})
        True

    Raise a TypeError for arguments that are not Protocols.
    """
    if not is_protocol(tp):
        raise TypeError(f'{tp!r} is not a Protocol')
    return frozenset(tp.__protocol_attrs__)


def __getattr__(attr):