Automatic license check for Python

[DaniilRoman]

#822

Here's what it looks like when it passes:

And here's what it looks like when it doesn't pass:

[MonkeyCanCode]

This may be problematic as we have gitignore for poetry.lock. In this case, it won't invalid the cache right?

[DaniilRoman]

It's a good point, we need to have poetry.lock in order to cache this properly and we could even use this config cache: 'poetry' of actions/setup-python@v4 GitHub action (here's this docs section).

Without having poetry.lock we can only cache based on pyptoject.toml which doesn't cover transitive dependencies.
I've also thought about generating poetry.lock on CI but for this we need to have poetry first and when we install poetry, it installs dependencies as well - so, it wouldn't work

What about removing poetry.lock from .gitignore and creating it and managing for the future changes? 🤔
Or is it good enough to create a hash key based on myproject.toml instead?

[MonkeyCanCode]

Quick check shows it got excluded by #246. @dimas-b / @snazy can you provide more context on why we exclude that?

[MonkeyCanCode]

@jbonofre can u help review if this rule is sufficient?