[Python-Dev] Issue 11406: adding os.scandir(), a directory iterator returning stat-like info (original) (raw)

Ronald Oussoren ronaldoussoren at mac.com
Fri May 10 15:25:01 CEST 2013

On 10 May, 2013, at 14:16, Antoine Pitrou <solipsis at pitrou.net> wrote:

Le Fri, 10 May 2013 13:46:30 +0200, Christian Heimes <christian at python.org> a écrit :

Hence I'm +1 on the general idea but -1 on something stat like. IMHO os.scandir() should yield four objects: * name * inode * file type or DTUNKNOWN * statresult or None statresult shall only be returned when the operating systems provides a full stat result as returned by os.stat(). But what if some systems return more than the file type and less than a full stat result? The general problem is POSIX's terrible inertia. I feel that a stat result with some None fields would be an acceptable compromise here.

But how do you detect that the st_mode field on systems with a d_type is incomplete, as oposed to a system that can return a full st_mode from its readdir equivalent and where the permission bits happen to be 0o0000? One option would be to add a file type field to stat_result, IIRC this was mentioned in some revisions of the extended stat_result proposal over on python-ideas.

Ronald

Regards Antoine.

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