[Python-Dev] os.walk() is going to be *fast* with scandir

Armin Rigo arigo at tunes.org
Sun Aug 10 12:28:25 CEST 2014

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Hi Larry,

On 10 August 2014 08:11, Larry Hastings <larry at hastings.org> wrote:
>> A small tip from my bzr days - cd into the directory before scanning it
>
> I doubt that's permissible for a library function like os.scandir().

Indeed, chdir() is notably not compatible with multithreading.  There
would be a non-portable but clean way to do that: the functions
openat() and fstatat().  They only exist on relatively modern Linuxes,
though.

A bientôt,

Armin.

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