The answer to your prayers is pyenv. It allows you to install multiple Python versions in parallel, and for each version you can maintain several virtualenvs.
For more information: https://github.com/pyenv/pyenv https://ostechnix.com/pyenv-python-version-management-made-easier/ On Thu, 2021-07-22 at 12:09 -0400, Dan Yasny wrote: > How about using virtualenv for alternative versions? > > On Thu, Jul 22, 2021 at 12:05 PM Shlomo Solomon < > shlomo.solo...@gmail.com> wrote: > > The default Kubuntu installation is 3.8.10 and I do not want to > > uninstall it since that could potentially "break" something. > > > > But for various reasons (not relevant to this discussion), I also > > have > > 3.9.6 installed. > > > > I can run either one of them, but in some cases, imports of modules > > that work in 3.8.10 don't work in 3.9.6. > > >>> import scapy > > Traceback (most recent call last): > > File "<stdin>", line 1, in <module> > > ModuleNotFoundError: No module named 'scapy' > > > > Although I don't want to re-install all modules, I "experimented" > > and > > got: > > > > sudo pip3 install scapy > > Requirement already satisfied: scapy in > > /usr/local/lib/python3.8/dist-packages (2.4.4) > > > > So even if I was willing to re-install everything, it would not > > work > > since the modules are already installed, but 3.9.6 does not "look" > > for > > them in the 3.8 directory. > > > > I know I can use venv to set up virtual environments for different > > versions, but although I haven't tried it, I don't see how that > > would > > solve the problem. > > -- QA People of Curse. My own blog is at https://tddpirate.zak.co.il/ My opinions, as expressed in this E-mail message, are mine alone. They do not represent the official policy of any organization with which I may be affiliated in any way. WARNING TO SPAMMERS: at https://www.zak.co.il/spamwarning.html _______________________________________________ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
