INNER CODE UNIT · Python

singledispatchmethod

althonos/pyhmmer · src/pyhmmer/utils.py:46

class singledispatchmethod(typing.Generic[_T]):
    """Single-dispatch generic method descriptor.

    Backported from Python 3.8 to support older Python versions. Additional
    type annotations were obtained from the `functools` stubs in the Python
    `typeshed <https://github.com/python/typeshed>`_ repository.

    """

    def __init__(self, func: typing.Callable[..., _T]) -> None:
        if not callable(func) and not hasattr(func, "__get__"):
            raise TypeError("{!r} is not callable or a descriptor".format(func))
        self.dispatcher = functools.singledispatch(func)
        self.func = func

    @property
    def __isabstractmethod__(self) -> bool:
        return getattr(self.func, "__isabstractmethod__", False)

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