On Mon, 2019-12-16 at 21:01 +0200, Matti Picus wrote: > A code path and test have been in the code since NumPy 0.4 for a > two-argument variant of ``__array__(dtype=None, context=None)``. It > was > activated when calling ``ufunc(op)`` or ``ufunc.reduce(op)`` if > ``op.__array__`` existed. However that variant is not documented, and > it > is not clear what the intention was for its use. > > > The code was something like > > > try: > > op.__array__(dtype, context) > > except TypeError: > > op.__array__(dtype) > > > In PR 15118 https://github.com/numpy/numpy/pull/15118 I proposed to > remove this, so the call is now simply > > > op.__array__(dtype) > > > or `op.__array__()` if there is no dtype > > > Does anyone need the undocumented two-argument variant? >
I agree, if nobody knows any usecase, I am for trying to remove it. It seems like a Deprecation will not be super simple here. And since there are no known use-cases, and any new use-case is better covered by `__array_ufunc__` (and probably also `__array_wrap__`), removing this simplifies an already tricky enough corner of NumPy. Best, Sebastian > > Matti > > > > > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@python.org > https://mail.python.org/mailman/listinfo/numpy-discussion
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