telnetlib (used for remote debugger) is deprecated in Python 3.12

[wshanks]

telnetlib (used for remote debugger) is deprecated in Python 3.12

[inducer]

Thanks for looking into relevant deprecation warnings! #623 should take care of the co_lines thing (that was refreshingly straightforward, compared to the half-documented old scheme). As for the constants from telnetlib, I agree with you that we should simply copy them over and call it a day.

[inducer]

Forgot to ask: would you mind creating a PR for the telnetlib changes?

[wshanks]

Sure, I will give it a shot!

[wshanks]

Thanks for getting fixes for these warnings merged in quickly @inducer! Some projects I work on convert all DeprecationWarnings to exceptions in their test configurations, so it was a little inconvenient that pudb.remote.set_trace would crash when trying to debug tests (though it is not that hard to edit the test configuration to work around it).