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Re: Removing python2 packages

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From Scott Talbert <swt@techie.net>
Newsgroups linux.debian.maint.python
Subject Re: Removing python2 packages
Date Wed, 24 Jul 2019 20:50:02 +0200
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On Wed, 24 Jul 2019, Neil Williams wrote:

>>> napsal: When removing leaf python2 packages for bullseye, is there
>>>       anything
>>>
>>>
>>> __modules__ package :)
>>>  
>>>       special that needs to be done, other than removing the
>>> building of the
>>>       python2 subpackage?
>>>
>>>       For example, obsoleting of the old package or anything along
>>>       those lines?
>>>
>>>
>>> * check reverse-depends and "reverse-depends -b"
>>> * remove from d/control
>>> * remove from d/tests
>>> * remove from d/rules
>>> * check/remove d/python-* files
>>> * test
>>> * upload
>>
>> Thanks.  The reason I asked about 'obsoleting' is because I wondered
>> about what will happen on the upgrade case.  Say, I remove python-foo
>> from bullseye.  When a user running buster with python-foo installed
>> upgrades to bullseye, what will happen?  Will apt try to remove
>> python-foo?
>
> Not unless something actually Breaks: or Conflicts: or the user runs
> autoremove.
>
> If a leaf package bar changes from Depends: python-foo to python3-foo,
> then python-foo will remain installed. There are lots of packages in
> Stretch that are not in Buster. Upgrading leaves them in place unless
> there is something which actively Conflicts: or Breaks: them. That's
> why autoremove is so useful after dist-upgrade.

Assuming python 2 is removed from bullseye, upon an upgrade from buster to 
bullseye, I guess we are assuming python 2 would remain installed on 
upgraded systems?

Scott

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Thread

Removing python2 packages Scott Talbert <swt@techie.net> - 2019-07-23 16:50 +0200
  Re: Removing python2 packages Neil Williams <codehelp@debian.org> - 2019-07-23 19:50 +0200
  Re: Removing python2 packages Ondrej Novy <novy@ondrej.org> - 2019-07-23 19:50 +0200
    Re: Removing python2 packages Scott Talbert <swt@techie.net> - 2019-07-24 18:10 +0200
      Re: Removing python2 packages Neil Williams <codehelp@debian.org> - 2019-07-24 20:10 +0200
        Re: Removing python2 packages Scott Talbert <swt@techie.net> - 2019-07-24 20:50 +0200
        Re: Removing python2 packages Scott Talbert <swt@techie.net> - 2019-07-26 15:50 +0200
      Re: Removing python2 packages Scott Kitterman <debian@kitterman.com> - 2019-07-24 23:40 +0200
    Re: Removing python2 packages Scott Talbert <swt@techie.net> - 2019-07-30 15:50 +0200
      Re: Removing python2 packages Scott Talbert <swt@techie.net> - 2019-07-30 23:50 +0200
        Re: Removing python2 packages Samuel Thibault <sthibault@debian.org> - 2019-07-31 03:10 +0200
        Re: Removing python2 packages Samuel Thibault <sthibault@debian.org> - 2019-07-31 03:10 +0200
          Re: Removing python2 packages Samuel Thibault <sthibault@debian.org> - 2019-07-31 03:30 +0200
  Re: Removing python2 packages Jonathan Carter <jcc@debian.org> - 2019-07-23 21:30 +0200

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