Try multiple passwords to access a keepass database

keepass-recovery.py

#!/usr/bin/env python3

#
# Forgot the password for my keepass library. I knew the password
# was based on a certain scheme that encodes the year etc.
#
# Rather than trying it out by hand, have a program do it for me.
#
# Quick and dirty...
#

import pykeepass
import sys

for i in ('foo', 'Foo'):
  for j in (2015, 2016, 2017, 2018, 2019, 2020):
    for k in ('bar', 'Bar'):
       for l in ('', '%', '&', '%&', '&%'):
           pwd = ''.join((i, str(j), k, l))
           try:
             kp = pykeepass.PyKeePass('keepass.kdbx', password=pwd)
             print('Success %s' % pwd)
             sys.exit()
           except pykeepass.exceptions.CredentialsIntegrityError:
             pass