[ANNOUNCEMENT] Updated: python 3.9 packages

[Tatsuro MATSUOKA]

> ----- Original Message -----
> 
> From: "Marco Atzeri via Cygwin-announce" 
> To: "cygwin
> Date: 2022/01/09 日 22:35
> Subject: [ANNOUNCEMENT] Updated: python 3.9 packages
> 
> 
> Several python packages have been added to the Cygwin distribution
> and at the same time the equivalent packages for 3.6/3.7/3.8
> have been uploaded.
> 
>    python-hypothesis-6.35.0-1
>    python-pip-21.3.1-2
>    python-virtualenv-20.13.0-1
>    python-wheel-0.37.1-1
>    python-numpy-1.22.0-1
> 
> CHANGES
> latest upstream releases
> 
> CYGWIN CHANGES
> 
> As python2 is no longer supported
> 
> https://devguide.python.org/devcycle/#end-of-life-branches
> 
> the package are updated to include postinstall script that
> use "alternatives" to define for
> 
>    /usr/bin/python
> 
>    /usr/bin/python3
>    /usr/bin/idle3
>    /usr/bin/pydoc3
> 
> a default to the highest package available.
> 
> $ alternatives --display python
> python - status is auto.
>   link currently points to /usr/bin/python3.9
> /usr/bin/python2.7 - priority 27
> /usr/bin/python3.6 - priority 36
> /usr/bin/python3.7 - priority 37
> /usr/bin/python3.8 - priority 38
> /usr/bin/python3.9 - priority 39
> Current `best' version is /usr/bin/python3.9.

I tried to python 3.9 to install jupyterlab
but python3.9-zmq is not available.
Therefore I gave up to use python3.9 and decided to use python3.8 instead.
Is there any reason that python-zmp package is absent for python 3.9?

Tatsuro