tests/readlink.py

commandserver: close selector explicitly

The selector does not have a __del__ method and needs a manual close. We can
also use "with selector" but that makes the code too indented. Therefore
append a "selector.close()" after the end of the main loop for now.

#!/usr/bin/env python

from __future__ import absolute_import, print_function

import errno
import os
import sys

for f in sys.argv[1:]:
    try:
        print(f, '->', os.readlink(f))
    except OSError as err:
        if err.errno != errno.EINVAL:
            raise
        print(f, '->', f, 'not a symlink')

sys.exit(0)