[Python-Dev] Why does IOBase.__del__ call .close?

[Antoine Pitrou]

Le 10/06/2014 21:30, Nikolaus Rath a écrit :
>
> For me, having __del__ call close() does not qualify as a reasonable
> default implementation unless close() is required to be idempotent
> (which one could deduce from the documentation if one tries to, but it's
> far from clear).

close() should indeed be idempotent on all bundled IO class 
implementations (otherwise it's a bug), and so should it preferably on 
third-party IO class implementations.

If you want to improve the documentation on this, you're welcome to 
provide a patch!

Regards

Antoine.