On Tue, Sep 14, 2021 at 4:36 PM Cameron Simpson <c...@cskk.id.au> wrote:
> On 15Sep2021 07:50, Chris Angelico <ros...@gmail.com> wrote: > >On Wed, Sep 15, 2021 at 7:43 AM Cameron Simpson <c...@cskk.id.au> wrote: > >> I know I'm atypical, but I have quite a lot of multithreaded stuff, > >> including command line code. So while it'd be ok to avoid this context > >> manager for my own code, I fear library modules, either stdlib or pypi, > >> quietly using this in their code, making them unuseable in the general > >> case. Unrepairably unuseable, for the user. > > > >Library code shouldn't be changing the working directory, context > >manager or not. That belongs to the application. > > Entirely agree. > > I'm concerned that convenient stackable chdir is a bug magnet, and would > creep into library code. Maybe not in the stdlib, but there's no point > writing such a context manager if it isn't goingg to be used, and > therefore it could get used in library code. Imagine when a popular pypi > module starts using it internally and breaks a multithreaded app > previously relying on it? > I know where I'd file a bug. :-) "Bug magnet" is an extremely subjective pejorative term. When the *better* way to do things (os.workdir()) is harder than the *easy* way to do (os.chdir()), which is the real bug magnet? -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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