Skip Montanaro <skip.montan...@gmail.com>:
> On Tue, Jun 2, 2015 at 10:28 AM, Marko Rauhamaa <ma...@pacujo.net> wrote:
>>
>> The only problem is that you don't know how high you need to go in
>> general.
>
> Sure, but I didn't know anyway, so no matter what upper bound I choose
> (or what function I choose/implement), it's just going to be a guess.
> os.closerange just codifies the straightforward procedure.
Under linux, the cleanest way seems to be going through the files under
/proc/self/fd:
def close_fds(leave_open=[0, 1, 2]):
fds = os.listdir(b'/proc/self/fd')
for fdn in fds:
fd = int(fdn)
if fd not in leave_open:
os.close(fd)
No need for a upper bound.
Marko
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