setup.py + cython == chicken and the egg problem

[Dieter Maurer]

Dan Stromberg wrote at 2022-8-16 14:03 -0700:
> ...
>I'm attempting to package up a python package that uses Cython.
> ...
>  Installing build dependencies ... error
>  error: subprocess-exited-with-error
>
>  ×? pip subprocess to install build dependencies did not run successfully.
>  ?? exit code: 1
>  ????> [3 lines of output]
>      Looking in indexes: https://test.pypi.org/simple/
>      ERROR: Could not find a version that satisfies the requirement
>setuptools (from versions: none)
>      ERROR: No matching distribution found for setuptools

The message tells you that there is a `setuptools` problem.
I would start to locate all `setuptools` requirement locations.


I am using `cython` for the package `dm.xmlsec.binding`.
I have not observed nor heard of a problem similar to yours
(but I have never tried `test.pypi.org`).