python-ftplib-directoryList.py

import ftplib


def directory_list():
    ftp = ftplib.FTP("yourdomain.com")
    ftp.login("username", "password")
    data = []
    ftp.dir(data.append)
    ftp.quit()

    for line in data:
        print "-", line

if __name__ == '__main__':
    directory_list()