On 16/05/2016 12:59 πμ, Chris Angelico wrote: > On Mon, May 16, 2016 at 8:32 AM, Pavlos Parissis > <pavlos.paris...@gmail.com> wrote: >>> Searching the CPython sources for that exception shows one hit: >>> selectors.py, where it converts a file object to an integer file >>> descriptor. (You could have helped out by showing us the full >>> traceback.) >> >> I did, https://gist.github.com/unixsurfer/67db620d87f667423f6f6e3a04e0bff5 > > Ah. I didn't click that link in your original post - didn't know it > was the traceback. Better would have been to at least say so; best > would have been to include it inline. >
I don't usually include traces as they have long lines and several e-mail clients mess with them in a way that makes the trace unreadable. >>> Is it possible you were running out of file descriptors, >>> or in some other way unable to create the pipe? >> >> I don't think as I see right now only 8 FDs: >> >> sudo ls -1 /proc/22706/fd|wc >> 8 8 16 >> > > If you can recreate the problem consistently, I can't. This is my main problem. This code has been executed ~100K and that exception has occurred only ~5 times. > it would be worth > messing around with slightly lower level APIs - using subprocess.Popen > rather than check_output, for instance - and see what you can do > without the pipes. What do you mean by that? > Somewhere, something's failing, and it's not easy > to see what. > > ChrisA > Thanks once again, Pavlos
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