notstringsAndDigits.py

#!/usr/bin/python
# Will loop until string contains other than strings and digits
# sets of strings and digits
# depends on your local, see locale.getlocale() and locale.setlocale()
# by default this is non-scandic, i.e. basic A-Z,a-z and 0-9
import strings
import os
strings_and_digits = string.letters+string.digits
while True:
  gens=os.urandom(33).encode('base64').strip('\n')
  if not all(character in strings_and_digits for character in gens):
    print("contains other than letters and digits")
    print("%s" %gens)
    break