In-place upgrading of Python versions for virtualenvs

[ghost]

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Feature Request

Having worked with Poetry for a year now, I appreciate the capabilities and ease of Python dev it introduced to my workflow!

Only one other thing I'd love to see from Poetry is the ability to upgrade virtualenvs in-place with a newer Python version installed with pyenv. Having to re-create the virtualenvs and reinstall all the dependencies feels too much, at least for minor releases (e.g 3.10.x)!

This feature alongside #461 baked in Poetry would be awesome!

[finswimmer]

Hey,

while I understand that this feature would be quite useful, this is (at least at the moment) out of scope for Poetry. We simply pass the venv creation job to virtualenv.

I'm afraid in-place upgrading the interpreter in a venv is not a trivial job at all.

fin swimmer

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