[Python-Dev] Internal counter to debug leaking file descriptors

[Terry Reedy]

On 9/3/2010 6:09 AM, Giampaolo Rodolà wrote:
>> Of course it would be nice to get access to FD stack so that a
>> full filename can also be retrieved in this case.
>
> On Linux, this can be easily achieved by using /proc.
> You can take a look at how this is done in the current development
> version of psutil:
> http://code.google.com/p/psutil/source/browse/trunk/psutil/_pslinux.py?spec=svn633&r=630#266
> Usage:
>
>>>> import psutil, os
>>>> this_process = psutil.Process(os.getpid())
>>>> f = open('file.ext', 'w')
>>>> this_process.get_open_files()
> ['/home/giampaolo/svn/psutil/file.ext']
>
> Same for sockets, a bunch of lines later:
> http://code.google.com/p/psutil/source/browse/trunk/psutil/_pslinux.py?spec=svn633&r=630#284
>
>>>> import socket
>>>> s = socket.create_connection(('google.com', 80))
>>>> this_process.get_connections()
> [connection(family=2, type=1, local_address=('192.168.1.43', 38067),
> remote_address=('72.14.234.104', 80), status='ESTABLISHED')]

If you can use psutil itself, it has compiled Windows versions for 2.7 
and 3.1
https://code.google.com/p/psutil/

-- 
Terry Jan Reedy