code.delx.au - monosys/blob - bin/passwdgen

   1 #!/usr/bin/env python3
   2
   3 import random, sys
   4
   5 alnum_chars = list(filter(lambda c: c.isalnum(), map(chr, range(128))))
   6 full_chars = alnum_chars * 2 + list("!@#%^&*(){}[]/=?+_-;:,.<>")
   7
   8 def generate(chars, length):
   9     return "".join([random.choice(chars) for i in range(length)])
  10
  11 def print_usage():
  12     print("Usage: %s [length] [alnum|full]" % sys.argv[0])
  13     sys.exit(1)
  14
  15 if __name__ == "__main__":
  16     if len(sys.argv) <= 1:
  17         n = 20
  18     elif sys.argv[1].isdigit():
  19         n = int(sys.argv[1])
  20     else:
  21         print_usage()
  22
  23     if len(sys.argv) <= 2:
  24         chars = alnum_chars
  25     elif sys.argv[2] == "alnum":
  26         chars = alnum_chars
  27     elif sys.argv[2] == "full":
  28         chars = full_chars
  29     else:
  30         print_usage()
  31
  32     print(generate(chars, n))
  33