Deprecation Warnings

See also

• https://sethmlarson.dev/deprecations-via-warnings-dont-work-for-python-libraries
• https://docs.python.org/3/library/warnings.html#updating-code-for-new-versions-of-dependencies

tl;dr:

Python deprecation warnings are filtered out by the default warnings filter. You can disable this (allegedly) by any of the following methods:

• Start the Python process in dev mode: python -X dev ... (see here)
• Change the filters at the Python process leve: python -Wd ... (see here)
• If you’re using PyTest, also make sure to enable the warnings filter there with python [...] -m pytest -W always [...]

With that said, I still can’t get deprecation warnings to show up reliably. More troubleshooting needed. I just made this note so I’d have the links written down somewhere and I could close those tabs.

python