[petsc-dev] Sphinx error

[Barry Smith]

  "Any Python package that you install with brew will install the Homebrew Python build."

  Sure in general with python on Apple, but you ignored my statement:  

$ which sphinx-build
/usr/local/opt/sphinx-doc/bin/sphinx-build
~/Src/petsc/src/ksp/ksp/interface (master=) arch-master
$ more /usr/local/opt/sphinx-doc/bin/sphinx-build
#!/usr/local/Cellar/sphinx-doc/3.0.4/libexec/bin/python3.8
# -*- coding: utf-8 -*-
import re
import sys
from sphinx.cmd.build import main

sphinx seems to be carrying around its own python internally, thus quite rightly getting Jed upset about packaging on Apple of open source software.  Or perhaps I misunderstand that line.

  Barry


> On Jul 7, 2020, at 2:40 AM, Lisandro Dalcin <dalcinl at gmail.com> wrote:
> 
> 
> 
> On Tue, 7 Jul 2020 at 05:37, Barry Smith <bsmith at petsc.dev <mailto:bsmith at petsc.dev>> wrote:
> 
>   My fault, for some reason sphinx from brew installed its own private python so I had to do the pip at that.
> 
> 
> Any Python package that you install with brew will install the Homebrew Python build. Start using that one, and forget about the system Python install.
> From brew you get `/usr/local/bin/python3`, and then you can freely `python3 -m pip install <package>`
> I further symlink `/usr/local/bin/{python|pip}3` to `~/bin/{python|pip}`, so I don't have to deal ever again with the EOLed system Apple Python 2.
> 
> -- 
> Lisandro Dalcin
> ============
> Research Scientist
> Extreme Computing Research Center (ECRC)
> King Abdullah University of Science and Technology (KAUST)
> http://ecrc.kaust.edu.sa/ <http://ecrc.kaust.edu.sa/>

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