[Python] How to anonymize logs - removing email addresses and replacing them with SHA1 hashes

This script will remove all email addresses and replace them with a SHA1 hash

1 2 3 4 5 6 7 8 9 10 11 12 13 14

import hashlib import re thefile = open('/var/log/z-push/z-push-hashed.log', 'w') with open('/var/log/z-push/z-push.log') as f: content = f.readlines() content = [x.strip() for x in content] for x in xrange(0,len(content)): mail=re.findall(r'[\w\.-]+@[\w\.-]+', content[x]) if not mail: thefile.write(content[x]) continue teststring=re.sub(str(mail[0]),hashlib.sha1(str(mail[0])).hexdigest(),content[x]) thefile.write(teststring+'\n')