[Python-Dev] Windows: Remove support of bytes filenames in the os module? (original) (raw)

Matthias Bussonnier bussonniermatthias at gmail.com
Mon Feb 8 11:01:15 EST 2016

On Feb 8, 2016, at 06:40, Victor Stinner <victor.stinner at gmail.com> wrote:

2016-02-08 15:32 GMT+01:00 Victor Stinner <victor.stinner at gmail.com>: Since 3.3, functions of the os module started to emit DeprecationWarning when called with bytes filenames. (...) Recently, an user complained that os.walk() doesn't work with bytes on Windows anymore: (...) It's also sad to see that deprecation warnings are completly ignored. Python 3.3 was release in 2011, 5 years ago.

I would prefer to show deprecation warnings by default. But I know that it's an old debate: developers vs users :-) I like to see my users as potential developers ;-)

This is tracked in this issue:

http://bugs.python.org/issue24294 <http://bugs.python.org/issue24294> : DeprecationWarnings should be visible by default in the interactive REPL

IPython have enabled them only if they come from main. From totally subjective experience, that has already pushed a few library to update their code to new apis[1].

M

[1] or sometime to wrap code in ignore warnings...

Victor

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