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PyPy has been working for me for several years now
quietly working for me for several years now A number of years ago I switched to installing various Python programs through pipx so that each of them got their own automatically managed virtual environment, rather than me having to wrestle with various issues from alternate approaches. On our Ubuntu servers, it wound up being simpler to do this using my own version of PyPy instead of Ubuntu's CPython, for various reasons.
A number of years ago I switched to installing various Python programs through pipx so that each of them got their own automatically managed virtual environment, rather than me having to wrestle with various issues from alternate approaches. There is definitely code that will notice ( I used to have some), but either I haven't encountered any of it yet or significant packages are now routinely tested under PyPy and hardened against things like deferred garbage collection of open files. (Some current Python idioms, such as the ' with' statement, avoid this sort of problem, because they explicitly close files and otherwise release resources as you're done with them.)
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