ftp_upload.py

# -*- coding: utf-8 -*-

from paramiko import SSHClient, AutoAddPolicy

HOST = 'xx.xx.xx.xx'
PORT = 22
USER = 'user_name'
PASSWORD = 'user_password'
PRIVATE_KEY = '/Users/user_name/.ssh/id_rsa'

def upload(local_file, remote_file):

    ssh = SSHClient()
    ssh.set_missing_host_key_policy(AutoAddPolicy())
    ssh.connect(
        hostname=HOST, 
        port=PORT, 
        username=USER,
        password=PASSWORD,
        passphrase=PRIVATE_KEY)

    sftp = ssh.open_sftp()
    sftp.put(local_file, remote_file)

    sftp.close()
    ssh.close()

if __name__ == '__main__':
    upload('/test.txt', '/home/user_name/test.txt')