(See end.)
> On Apr 28, 2020, at 20:17, Max Anglad <[email protected]> wrote:
>
> Hello,
>
> Still under El Capitan (OS 10.11) my native Python is in version 2.7
>
> Since I have been using MacPorts for several years (but I am not an expert) I
> thought it would be easy to install the latest version of Python (3.8.2)
> through this channel. I have programmed in C and C++ for several years but I
> am still a beginner in Python.
>
> So I installed the python38 Macport, then I installed pip and I also
> installed some Python packages via pip. OK :)
>
>> port installed
> ...
> python38 @3.8.2_0 (active)
> ...
>
> Everything seemed to be going well until I realized that the python38 Macport
> was a Python 3.8.2 (https://ports.macports.org/port/python38/summary) while
> my interpreter was still saying 3.8. 1 (python3 --version)
>
> Upon closer inspection I realized that I had 2 Python 3.8 installations on my
> hard drive (maybe due to the fact that I tried PyCharm, I don't think I ever
> installed Python directly from https://www.python.org/downloads/)
>
> One installed by Macports, here :
>
>> /opt/local/Library/Frameworks/Python.framework/Versions/3.8/bin/python3.8
> Python 3.8.2 (default, Mar 17 2020, 20:49:26)
> [Clang 8.0.0 (clang-800.0.42.1)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
>
> And the second located in /Library :
>
>> /Library/Frameworks/Python.framework/Versions/3.8/bin/python3.8
> Python 3.8.1 (v3.8.1:1b293b6006, Dec 18 2019, 14:08:53)
> [Clang 6.0 (clang-600.0.57)] on darwin
> Type "help", "copyright", "credits" or "license" for more information
>
> This second installation is seen by my PATH variable positioned in
> ~/.bash_profile (which explain why my Python interprer is still in version
> 3.8.1)
>
>> echo $PATH
> /Library/Frameworks/Python.framework/Versions/3.8/bin:/opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin
>
> It is also under this path that my Python packages are installed :
> /Library/Frameworks/Python.framework/Versions/3.8/lib/site-packages
>
> And there is almost no pakage under the first location :
> /opt/local/Library/.../site-packages
>
>
> Questions :
>
> Where is the right place to install the python38 port ?
>
> How should the PATH variable be set so that Macports installations of Python
> are properly viewed ?
>
> Are there other variables or links to position, in particular so that the
> Python packages are installed in the right place (therefore
> /opt/local/Library/.../site-packages) ?
>
> (I tried to upgrade pip under this location but it says that wheel is not
> installed, so I installed wheel, ... but before going further and maybe doing
> things wrong I preferred to inquire)
>
>
> If it works, can I finally safely delete
> /Library/Frameworks/Python.framework/Versions/3.8/ directory ?
>
> Thanks in advance for your advice, I'm a bit lost :-/
>
I think you need port help select to set which version of python you get by
default. I don’t think you need to uninstall anything.
