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I'm using pipenv to isolate a setup I would like to use later: I used pip to install jupyter lab, and would like to use kernels for both python2 and python3 from it.

However, I was not able to nest those virtual environments, and for now I am using some system-wide packages for python2.

Is there a simple way to combine multiple pipenv for that use case? The way it works with paths, I don't see any technical obstacle to it.

A related question regarding virtualenv was this one.

MayeulC
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  • The main concept that virtual environments are implementing is isolation. What you are trying to do is the opposite of that. – Klaus D. Jul 12 '18 at 08:57
  • Not really, I am trying to isolate an environment that has a set of tools: `python2`, `python3`, and related pip packages. If I see python 2 and 3 as completely distinct, like jupyter does, that shouldn't cause any problems. If there is no easy answer with `pipenv`, I will probably hack my `PATH` manually, or install these tools in a container. – MayeulC Jul 12 '18 at 11:18

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I would steer away from using the same virtualenv location for different python versions. Per the same related question you linked to.

If you need to manage different python versions from the same directory, I would suggest looking into pyenv.

Zach Zeleznick
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