[Python-Dev] Proposal for a new function "open_noinherit" to avoid problems with subprocesses and security risks

["Martin v. Löwis"]

Henning von Bargen schrieb:
> I'd like to propose a new function "open_noinherit"
> or maybe even a new mode flag "n" for the builtin "open"
> (see footnote for the names).

Do you have a patch implementing that feature? I believe
it's unimplementable in Python 2.x: open() is mapped
to fopen(), which does not support O_NOINHERIT.

If you don't want the subprocess to inherit handles,
why don't you just specify close_fds=True when creating
the subprocess?

Regards,
Martin