view tests/readlink.py @ 45915:8f50dc096cf4

errors: introduce SecurityError and use it in a few places

This is part of
https://www.mercurial-scm.org/wiki/ErrorCategoriesPlan. There are
perhaps more errors in `sslutil.py` that should raise `SecurityError`;
I picked the most clear ones to start with.

Differential Revision: https://phab.mercurial-scm.org/D9390

#!/usr/bin/env python3

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)