[issue42422] types.CodeType() has no bytecode verifier

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

Compiled bytecode is not portable between Python versions. You may use https://bytecode.readthedocs.io/ which might help to write more portable code, but this project does not contain a bytecode verifier and I'm not sure that it's updated when the Python bytecode becomes backward incompatible. (I wrote the first version as a Proof-of-Concept of my PEP 511, but I no longer maintain it.)

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title: Py_Decref on value crash the interpreter in Python/ceval.c:1104 -> types.CodeType() has no bytecode verifier

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42422>
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