I felt like if I installed Python 3 I'd still need Python 2 around. Didn't have a solid setup for supporting both and still being able to use virtualenvwrapper et al. I think I can just wrap some aliases like mkvirtualenv2.7 and mkvirtualenv3.3. Any better ideas are welcome.
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Why Python 2 over Python 3?
I felt like if I installed Python 3 I'd still need Python 2 around. Didn't have a solid setup for supporting both and still being able to use virtualenvwrapper et al. I think I can just wrap some aliases like mkvirtualenv2.7 and mkvirtualenv3.3. Any better ideas are welcome.
How about pyenv (not to be confused with pyvenv), and pyenv-virtualenv? They are designed for solving this problem.
The decision seems reasonable to me. One could use virtualenv (included in the VM) to spin up a virtual python 3 environment when necessary.
virtualenv (for python3) requires python3 already installed, so virtualenv solves nothing in this scenario.
If you want to do the same but with native installers, here is a good collection https://bitnami.com/stacks/infrastructure
(disclaimer, I am one of the cofounders :)
Are there more of these with more languages and tools?