tests/readlink.py

ui: introduce neverpager() call

I'm about to add direct paging support to some commands, and as a
result we need a way to communicate from the higher layers of dispatch
that paging is explicitly disabled.

#!/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)