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To: cygwin AT cygwin DOT com
Subject: [ANNOUNCEMENT] Test: python packages
Message-Id: <announce.4186bf3d-bc28-4bfc-2e09-ebff133472a8@gmail.com>
Date: Thu, 31 Dec 2020 08:31:32 +0100
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From: Marco Atzeri via Cygwin-announce via Cygwin <cygwin AT cygwin DOT com>
Reply-To: cygwin AT cygwin DOT com
Cc: Marco Atzeri via Cygwin-announce <cygwin-announce AT cygwin DOT com>
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Several python packages have been uploaded as test

   python3  idle3    3.8.6-1
   python38 idle38   3.8.6-2
   python37 idle37   3.7.9-2
   python36 idle36   3.6.12-2
   python2  idle2    2.7.18-3
   python27 idle27   2.7.18-3

   python{27,36,37,38}-pip   20.3.3-2

CYGWIN CHANGES
As python2 is no longer supported

https://devguide.python.org/devcycle/#end-of-life-branches

the packages are updated to include postinstall script that
use "alternatives" to define for

   /usr/bin/python

   /usr/bin/python3
   /usr/bin/idle3
   /usr/bin/pydoc3
   /usr/bin/pydoc3

a default to the highest package available.

$ alternatives --display python
python - status is auto.
  link currently points to /usr/bin/python3.8
/usr/bin/python3.7 - priority 37
/usr/bin/python3.8 - priority 38
/usr/bin/python3.6 - priority 36
/usr/bin/python2.7 - priority 27
Current `best' version is /usr/bin/python3.8.

The following link are not provided anymore.
/usr/bin/idle
/usr/bin/pydoc
/usr/bin/pip

The python3 package will pull python38 package.

Rationale:
https://www.python.org/dev/peps/pep-0394/
In other systems as Debian, /usr/bin/python is discouraged.

As on Cygwin we have still several third packages depending on
python2, the usage of alternatives should allow to manage
until all are updated to python3

CHANGES
Update to latest upstream releases.

DESCRIPTION
Python is a programming language that lets you work quickly
and integrate systems more effectively.
Python is powerful... and fast; plays well with others;
runs everywhere; is friendly & easy to learn; is Open.

HOMEPAGE
https://www.python.org/

Regards
Marco Atzeri


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