Solve install issue for unix

[bizzyvinci]

A lot of the current issue has to do with installation. I experienced a similar problem with curl -sSL https://install.python-poetry.org | python3 - on M1 Mac v13.0.1. The cause of the problem is symlink and it is resolved in this PR. Recommendations were provided here and here.

I tested by running python install-poetry.py on my mac and poetry was installed successfully. I believe this should resolve #24 too.

However, I also find it surprising that python install-poetry.py -y in github workflows works for macos. It should be investigated.

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Name	Status	Preview	Updated
install-python-poetry-org	✅ Ready (Inspect)	Visit Preview	Dec 6, 2022 at 6:21PM (UTC)

[neersighted]

Poetry installs just fine on Unix; the issue is that macOS framework builds cannot be relocated (this is part of the framework design). Poetry works on GHA because setup-python provides from-source, upstream-style builds of Python. pyenv/python-build do the same. The macOS system Python and Homebrew Python are built as frameworks.

In any case, this is not a complete solution -- we still want to copy on Linux and FreeBSD, and you haven't addressed the virtualenv fallback code path. The status of this is honestly the same as #51 -- the intention is to address it in a more robust way, but people have struggled for time lately. If you address the omissions and encapsulate the logic into a function, we could likely merge this as a stepping stone to proper detection of framework Pythons.

[bizzyvinci]

Thanks for the quick feedback