Function _should_delegate

dask/array/core.py:207–228

Check whether Dask should delegate to the other. This implementation follows NEP-13: https://numpy.org/neps/nep-0013-ufunc-overrides.html#behavior-in-combination-with-python-s-binary-operations

(self, other)

def _should_delegate(self, other) -> bool:
    """Check whether Dask should delegate to the other.
    This implementation follows NEP-13:
    https://numpy.org/neps/nep-0013-ufunc-overrides.html#behavior-in-combination-with-python-s-binary-operations
    """
    if hasattr(other, "__array_ufunc__") and other.__array_ufunc__ is None:
        return True
    elif (
        hasattr(other, "__array_ufunc__")
        and not is_valid_array_chunk(other)
        # don't delegate to our own parent classes
        and not isinstance(self, type(other))
        and type(self) is not type(other)
    ):
        return True
    elif (
        not hasattr(other, "__array_ufunc__")
        and hasattr(other, "__array_priority__")
        and other.__array_priority__ > self.__array_priority__
    ):
        return True
    return False


def check_if_handled_given_other(f):