[Python] B64 Decoder/Encoder

[Gabriel87]

#!/usr/bin/env python
#Name: b64.py
#Author: s3my0n

from base64 import b64decode
from base64 import b64encode
import sys

def Decode(enc_string):
    try:
        dec_string = b64decode(enc_string)
    except TypeError:
        print '\nTypeError: not a valid base64 hash'
        sys.exit(1)
    return dec_string

def Encode(string):
    enc_string = b64encode(string)
    return enc_string

if __name__ == '__main__':
    opts = ('-de', '-en')
    if (len(sys.argv) != 3) or (sys.argv[1] not in opts):
        print '\nBase64 encoder/decoder'
        print 'Coded by RuSH4ck3R aka s3my0n'
        print '\nUsage: b64.py [-de, -en] [hash, string]'
        print '\nExample: b64.py -en mypassword'
        print '         b64.py -de bXlwYXNzd29yZA=='
        sys.exit()
    if sys.argv[1] == opts[0]:
        print '%s' % (Decode(sys.argv[2]))
    if sys.argv[1] == opts[1]:
        print '%s' % (Encode(sys.argv[2]))