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

[Victor Stinner]

2013/5/13 Ben Hoyt <benhoyt at gmail.com>:
> class DirEntry:
>     def __init__(self, name, dirent, lstat, path='.'):
>         # User shouldn't need to call this, but called internally by scandir()
>         self.name = name
>         self.dirent = dirent
>         self._lstat = lstat  # non-public attributes
>         self._path = path
>
>     def lstat(self):
>         if self._lstat is None:
>             self._lstat = os.lstat(os.path.join(self._path, self.name))
>         return self._lstat
> ...

You need to provide a way to invalidate the stat cache,
DirEntry.clearcache() for example.

Victor