Matthias Bussonnier f47211c129 Use scandir on py3.5+ for less disk access on filename completion ...

On Python 3.5+, we can make use of scandir that not only list the
content of the directory as an iterator but caches some infomations (for
example, `is_dir()`; this avoid extra stats call to the underlying
filesytem and can be – according to pep 471 –  2x to 20 time faster
especially on NFS filesystem where stats call is expensive.

From a quick this is the only place where scandir would make sens, as
most other places only require the name.

Fixes 1381

2019-08-12 17:56:29 -07:00

6.4 KiB

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