Anonymize logfiles

anonymize.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# vim:fenc=utf-8
#
# Copyright © 2017 Olaf Lessenich <xai@linux.com>
#
# Distributed under terms of the MIT license.

"""
Anonymize logfiles
"""

import re
import sys


def anon(s):
    return ('[ANONYMIZED %s]' % s.upper())


regexes = dict()
regexes['mail'] = re.compile(r"([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+)")
regexes['ip'] = re.compile(r"(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})")

for line in sys.stdin:
    for name, regex in regexes.items():
        line = regex.sub(anon(name), line)
    sys.stdout.write(line)