# ISC License
#
# Copyright (c) 2012 Kenneth Reitz
#
# Permission to use, copy, modify and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS-IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

"""
Compatibility library for older versions of python
"""
import sys

# python 2.7 introduced a NullHandler which we want to use, but to support
# older versions, we implement our own if needed.
if sys.version_info[:2] > (2, 6):
    from logging import NullHandler
else:
    from logging import Handler
    class NullHandler(Handler):
        def emit(self, record):
            pass