Licensing new code containing xarray

[catemgn]

Hi!

I have been using a lot xarray for my PhD, and now I would like now release the code of some piece of work. I used xarray library and functionalities 'as-is', without modifications in the source code.

Which licenses I can release my code under given that xarray is distributed under Apache 2.0 license? Would MIT work?

I am new to the topic and I tried to navigate the QA online about licensing, but I didn't come out with a satisfactory answer. So I am asking to those directly involved!

Thanks in advance! 🙏

Caterina

[ianliu]

I think your use case falls into the category of Citing Xarray, as stated here:

https://docs.xarray.dev/en/stable/getting-started-guide/faq.html#how-should-i-cite-xarray

[keewis]

What we have been doing for packages that depend on xarray is this:

• if the package only depends on xarray (it is installed into the environment), there is no restriction on its license
• if the package copies (code from) xarray ("vendoring"), the license of the package itself is still up to the author, but the vendored code must be marked as such (a comment should be enough) and the license of xarray should be included somewhere, usually a licenses directory.
• if the copied code was modified: same as if it was copied, but the comment should state that it was modified

[catemgn]

yes I think my case fall in 'the package only depends on xarray'. Thanks for your complete reply!