import sys from appPublic.rsa import RSA def gen(filename): rsa = RSA() pk = rsa.create_privatekey() rsa.write_privatekey(pk, filename) if __name__ == '__main__': if len(sys.argv) < 2: print('Usage\n%s private_file_name' % sys.argv[0]) sys.exit(1) gen(sys.argv[1])