What is the best way of installing Python's scientific libraries in MacPorts?

[Artemio González López]

> On Oct 4, 2021, at 10:57 PM, Christopher Jones <jonesc at hep.phy.cam.ac.uk> wrote:
> 
> 
> 
>> On 4 Oct 2021, at 9:18 pm, Artemio González López via macports-users <macports-users at lists.macports.org <mailto:macports-users at lists.macports.org>> wrote:
>> 
>>> 
>> 
>> Ciao Giuseppe,
>> 
>> I am happy to report that after following your advice everything worked as advertised. I only experienced a very minor glitch, namely that for some reason (probably a minor bug?) the /opt/local/Library/Frameworks/Versions/3.9/bin directory where jupyter resides is not in the $PATH, so you must add it by hand if you want to invoke (say) jupyter with just its name.
> 
> No, that is not a bug but intentional. it is that way because in principle you could have multiple versions installed, for different python versions. For that reason one specific python version cannot place its binaries under the default ${prefix}/bin with the nominal names, as that would prevent others from then being installed.
> 
> The port does in fact install binaries, but they are suffixed with the python version
> 
> Oberon ~/Projects/MacPorts/ports > port contents py39-jupyter_client | grep bin
>   /opt/local/Library/Frameworks/Python.framework/Versions/3.9/bin/jupyter-kernel
>   /opt/local/Library/Frameworks/Python.framework/Versions/3.9/bin/jupyter-kernelspec
>   /opt/local/Library/Frameworks/Python.framework/Versions/3.9/bin/jupyter-run
>   /opt/local/bin/jupyter-kernel-3.9
>   /opt/local/bin/jupyter-kernelspec-3.9
>   /opt/local/bin/jupyter-run-3.9
> 
> 
> so to run a specific version (for a given python version) run XYZ-3.9 etc.
> 
> Chris
> 
> 
>> 
>> Thanks a lot for your patience and help!
>> 
>> Artemio

Hi, Chris,

Thanks a lot for your excellent answer! Now everything is clear to me.

Artemio


Artemio Gonzalez Lopez
artemiog at mac.com

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