+1 We are using ndindex for quite long time, and we have been impressed not only for how well it reproduces the NumPy indexing (bar exceptions like Aaron mentions), but also by the elegance of the API. Definitely a great complement to all libraries that has to handle n-dim data.
Francesc On Tue, Jan 31, 2023 at 10:03 AM Aaron Meurer <asmeu...@gmail.com> wrote: > I wrote the ndindex library to do exactly this sort of thing > https://quansight-labs.github.io/ndindex/, namely the manipulation of > NumPy index objects. Some of the things you mentioned aren't implemented > yet (like checking if an index is an advanced index or not), but they are > definitely in scope and I would love to add them. > > Aaron Meurer > > On Mon, Jan 30, 2023 at 9:28 PM Mark Harfouche <mark.harfou...@gmail.com> > wrote: > >> I'm trying to make a few different file backed array-like objects. >> >> However, I find myself struggling to get all the indexing operations >> right. >> >> Is there a collection of utilities that answer questions like: >> >> 1. Given a shape, and key that would be valid in numpy, what is the >> resulting shape. >> 2. Given a key, is it a fancy index key (I just don't want to support >> this use case). >> 3. Given a key, can you "expand" the of the key so that it matches my >> input shape? >> 4. Can you help me handle keys with `None` in them as an "np.newindex"? >> >> I feel like dask, zarr, xarray would have all had to use functions like >> these, I'm just wondering if there was any reconciliation of this kind of >> functionality since the development of various `__array__` NEPs. >> >> Best, >> >> Mark >> _______________________________________________ >> NumPy-Discussion mailing list -- numpy-discussion@python.org >> To unsubscribe send an email to numpy-discussion-le...@python.org >> https://mail.python.org/mailman3/lists/numpy-discussion.python.org/ >> Member address: asmeu...@gmail.com >> > _______________________________________________ > NumPy-Discussion mailing list -- numpy-discussion@python.org > To unsubscribe send an email to numpy-discussion-le...@python.org > https://mail.python.org/mailman3/lists/numpy-discussion.python.org/ > Member address: fal...@gmail.com > -- Francesc Alted
_______________________________________________ NumPy-Discussion mailing list -- numpy-discussion@python.org To unsubscribe send an email to numpy-discussion-le...@python.org https://mail.python.org/mailman3/lists/numpy-discussion.python.org/ Member address: arch...@mail-archive.com
