[Python-Dev] Show DeprecationWarning in debug mode?

Serhiy Storchaka storchaka at gmail.com
Sat Nov 18 02:33:39 EST 2017

18.11.17 03:22, Victor Stinner пише:
> I noticed that Python not only hides DeprecationWarning, but also
> PendingDeprecationWarning and ImportWarning by default. While I
> understand why we decided to hide these warnings to users for a Python
> compiled in release mode, why are they hidden in Python debug builds?
> I'm asking the question because in debug mode, Python shows
> ResourceWarning warnings (whereas these warnings are hidden in release
> mode). Why only displaying ResourceWarning, but not other warnings in
> debug mode?

+1 for showing all warning (except maybe PendingDeprecationWarning) in 
the debug build! I constantly forgot about this.

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