This is a good question, I have been trying to do the same for a long time.
I have literally dropped the use of python bindings and strictly use the
binaries because of this.

On Fri, Nov 4, 2022 at 8:06 PM Austin Witherspoon <
[email protected]> wrote:

> My apologies if this isn't the right place, but the main repo 
> https://github.com/OpenImageIO/oiio
> seemed to indicate that help questions should be sent here.
>
> We're just trying to install the python package for openimageio for our
> python 3.7 scripts, but nobody here knows C++ or vcpkg at all. The best
> I've been able to get is Python 3.10 bindings, but I can't seem to find any
> information or reverse engineer this enough to figure out how to change the
> version. We don't even have Python 3.10 installed on our computers.
>
> Downloaded vcpkg for windows and followed the instructions here:
> https://github.com/Correct-Syntax/py-oiio
> to build oiio.
> Running this in command prompt builds it:
>
> *./vcpkg install openimageio[pybind11]:x64-windows*
> But again, this defaults to python 3.10 for some reason. I found a
> stackoverflow post suggesting that you could change the version with an
> environment variable like this:
>
> *PYBIND11_PYTHON_VERSION=3.7*
> but this unfortunately didn't seem to do anything.
>
> Does anybody here know anything about changing the python version of the
> bindings? Any help at all is welcome, and thanks in advance.
> _______________________________________________
> Oiio-dev mailing list
> [email protected]
> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>
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