sftp,ftp,ntp 的python 脚本

sftp

import getpass
import paramiko

HOSTNAME='localhost'
PORT=22
FILE_PATH='/tmp/test.txt'

def sftp_download(username,password,hostname=HOSTNAME,port=PORT):
    ssh_transport=paramiko.Transport(hostname,port)
    ssh_transport.connect(username=username,password=password)
    sftp_session=paramiko.SFTPClient.from_transport(ssh_transport)
    file_path=input("Enter filepath:") or FILE_PATH
    target_file=file_path.split('/')[-1]
    sftp_session.get(file_path,target_file)
    print("Downloaded file from:%s" %file_path)
    sftp_session.close()

if __name__=='__main__':
    hostname=input("Enter the target hostname") or HOSTNAME
    port=input("Enter the target port:") or PORT
    username=input("Enter your username") or "root"
    password="Netf1n1ty" or getpass.getpass(prompt="Enter your password:")
    sftp_download(username,password,hostname,int(port))

FTP

import ftplib

FTP_SERVER_URL=yourip
DOWNLOAD_DIR_PATH=yourdir
DONWLOAD_FILE_NAME=filename

def ftp_file_download(path,username,password):
    #open ftp connection
    ftp_client=ftplib.FTP(path,username,password)
    #list the files in the download directory
    ftp_client.cwd(DOWNLOAD_DIR_PATH)
    print("File list at %s:" %path)
    files=ftp_client.dir()
    print(files)
    #download a file
    file_handler=open(DONWLOAD_FILE_NAME,'wb')
    #ftp_cmd='RETR %s ' %DONWLOAD_FILE_NAME
    ftp_client.retrbinary('RETR '+DONWLOAD_FILE_NAME,file_handler.write)
    file_handler.close()
    ftp_client.quit()

if __name__=='__main__':
    ftp_file_download(path=FTP_SERVER_URL,username=youruser,password=yourpass)

ntp

import ntplib
from time import ctime

HOSTNAME='ntp.ubuntu.com'

def ntpupdate():
    params={}
    client=ntplib.NTPClient()
    response=client.request(HOSTNAME)
    print('Received time: %s' %ctime(response.tx_time))
    print('ref_clock:',ntplib.ref_id_to_text(response.ref_id,response.stratum))
    print('stratum: ',response.stratum)
    print('last_jupdate:',response.ref_time)
    print('offset: %f' %response.offset)
    print('precision: ',response.precision)
    print('root_delay: %.6f' %response.root_delay)
    print('root_dispersion: %.6f' %response.root_dispersion)


ntpupdate()