On Thu, Jun 18, 2020 at 5:36 AM Jonathan Fine <jfine2...@gmail.com> wrote:
> Python allows the user to replace fn.__code__ by a different code object. > This is a rarely done dirty trick. > A dirty trick to you maybe, but occasionally useful. For example, it can be used to implement goto: https://github.com/snoack/python-goto (I have used this once or twice.) With that said, your proposal is unclear to me on whether this would force immutability on all code objects (and thereby prevent all bytecode modification), or whether it would have an opt-out (or opt-in) mechanism. I'm a solid -1 if this forces immutability on all code objects with no way to opt out for those cases where you do wish to modify the bytecode. Otherwise, I have no opinion (as I lack knowledge of the concepts your proposal is based on).
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