password-gen.py

import hashlib
import sys
import base64


def compute(password):
    m = hashlib.sha1()

    m.update(password)
    digest = m.digest()
    b64 = base64.b64encode(digest)
    return b64

def output(username, encryptedPassword):
    return "{0}:{1}".format(username,encryptedPassword)

def usage():
    print "{0}: `username` `password`".format(sys.argv[0])

def main():
    if len(sys.argv) < 3:
        usage()
        sys.exit(1)
    username = sys.argv[1]
    password = sys.argv[2]
    
    encryptedPassword = compute(password)
    print output(username, encryptedPassword)

if __name__ == '__main__':
    main()