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Re: Best practise for managing Conda environments?

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On 9/21/2026 5:17 PM, Martin Schöön wrote:
> I am a occasional Python user and hence only post here rather seldom.
> Full time lurker though :-)
> 
> I am a full time Linux user and moved from pip to conda for managing
> my Python life a few years ago. I am not an advanced conda user by
> any measure. For the most part moving to conda was a good idea.
> 
> Yesterday, however, I encountered a problem that a quick internet
> search told me is somewhat common: adding a package to an environment
> stalls at the 'solving environment' stage. I found a bunch of rather
> different 'fixes'. I have not tried any yet. I think maybe I am doing
> environments wrong.
> 
> Among the 'fixes' suggested are:
> 
> * Use mamba for installing packages.
> * conda config --set channel_priority strict
> * Remove and re-create environments to ensure packages are up-to-date.
> 
> The last one was not stated explicitly. I created it by
> 'interpreting' several posts that made me think I have done environments
> the wrong way.
> 
> My thinking now:
> 
> I should have more rather than fewer environments and make them more
> task specific -- avoid 'general purpose' environments to limit the
> number of packages in each environment.
> 
> I have noticed that "conda update whatever" /always/ tells me everything
> is up-to-date. This can't be true. Will the procedure of the third
> bullet above solve this?
> 
> No, I have not tried asking any LLM. I hope for some real human advice.
> 
> TIA
> 
> /Martin

Dear Martin,

Sadly, I am completely unfamiliar with Conda, nor do I know anything
about managing Python environments yet.  So I only have a suggestion
for the intermesso [0], and hopefully the wizards of comp.lang.python
have a better answer.

Have you considered installing the offending package using your opera-
ting system package manager instead, if available as such?  There are
n+1 [1] Linux package managers, so I leave off any suggestions for the
command line tool.


Best wishes, and happy Python!

[0] I simply presume someone is listening to music while we wait for the
wizards to reply.

[1] Somewhere, someone is coding a Linux package manager from scratch,
hence if there are /n/ today, there will be /n+1/ tomorrow.
-- 
Johann | email: invalid -> com | http://www.myrkraverk.com/blog/
I'm not from the Internet, I just work there. | via XS News
https://bsky.app/profile/myrkraverk.bsky.social | for ( ;; ) _:;

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Best practise for managing Conda environments? Martin Schöön <martin.schoon@gmail.com> - 2026-09-21 09:17 +0000
  Re: Best practise for managing Conda environments? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-21 17:32 +0800
    Re: Best practise for managing Conda environments? Martin Schöön <martin.schoon@gmail.com> - 2026-09-21 20:33 +0000
      Re: Best practise for managing Conda environments? Jon Ribbens <jon+usenet@unequivocal.eu> - 2026-09-21 22:05 +0000
        Re: Best practise for managing Conda environments? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-22 14:37 +0800
          Re: Best practise for managing Conda environments? ram@zedat.fu-berlin.de (Stefan Ram) - 2026-09-22 07:33 +0000
          Re: Best practise for managing Conda environments? Jon Ribbens <jon+usenet@unequivocal.eu> - 2026-09-22 09:08 +0000
            Re: Best practise for managing Conda environments? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-22 22:53 +0800
  Re: Best practise for managing Conda environments? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-22 15:08 +0800
  Re: Best practise for managing Conda environments? Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-22 07:44 +0000
    Re: Best practise for managing Conda environments? "Loris Bennett" <loris.bennett@fu-berlin.de> - 2026-09-22 10:14 +0200
  Re: Best practise for managing Conda environments? Martin Schöön <martin.schoon@gmail.com> - 2026-09-22 19:53 +0000
    Re: Best practise for managing Conda environments? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-23 04:57 +0800
      Formatting (was: Best practise for managing Conda environments?) ram@zedat.fu-berlin.de (Stefan Ram) - 2026-09-23 08:17 +0000
        Re: Formatting Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-23 20:08 +0800
          Re: Formatting ram@zedat.fu-berlin.de (Stefan Ram) - 2026-09-23 12:42 +0000
            Re: Formatting ram@zedat.fu-berlin.de (Stefan Ram) - 2026-09-23 14:43 +0000
              Re: Formatting ram@zedat.fu-berlin.de (Stefan Ram) - 2026-09-23 15:01 +0000
          Re: Formatting ram@zedat.fu-berlin.de (Stefan Ram) - 2026-09-23 13:38 +0000
        Re: Formatting (was: Best practise for managing Conda environments?) Martin Schöön <martin.schoon@gmail.com> - 2026-09-24 08:31 +0000
          Re: Formatting (was: Best practise for managing Conda environments?) Martin Schöön <martin.schoon@gmail.com> - 2026-09-25 08:53 +0000

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