In Python 3.12 tarfile raises DeprecationWarning: Python 3.14 will, by default, filter extracted tar archives and reject files or modify their metadata.

[matthewfeickert]

While testing Python 3.12 in CI

https://github.com/scikit-hep/pyhf/blob/adddb0797c564a0158a8e2e69a58ee1f98604bf7/tests/test_scripts.py#L591-L604

raised

>       assert ret.success
E       assert False
E        +  where False = <pytest_console_scripts.RunResult object at 0x29fd18b90>.success
...
DeprecationWarning: Python 3.14 will, by default, filter extracted tar archives and reject files or modify their metadata. Use the filter argument to control this behavior.

This should get fixed before Python 3.12 support is added.

[matthewfeickert]

c.f. https://docs.python.org/3.12/library/tarfile.html#tarfile-extraction-filter and PEP 706 – Filter for tarfile.extractall.