sftp,ftp,ntp 的python 脚本

sftp

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1. import getpass
   
2. import paramiko
   
3. 
   
4. HOSTNAME='localhost'
   
5. PORT=22
   
6. FILE_PATH='/tmp/test.txt'
   
7. 
   
8. def sftp_download(username,password,hostname=HOSTNAME,port=PORT):
   
9.     ssh_transport=paramiko.Transport(hostname,port)
   
10.     ssh_transport.connect(username=username,password=password)
    
11.     sftp_session=paramiko.SFTPClient.from_transport(ssh_transport)
    
12.     file_path=input("Enter filepath:") or FILE_PATH
    
13.     target_file=file_path.split('/')[-1]
    
14.     sftp_session.get(file_path,target_file)
    
15.     print("Downloaded file from:%s" %file_path)
    
16.     sftp_session.close()
    
17. 
    
18. if __name__=='__main__':
    
19.     hostname=input("Enter the target hostname") or HOSTNAME
    
20.     port=input("Enter the target port:") or PORT
    
21.     username=input("Enter your username") or "root"
    
22.     password="Netf1n1ty" or getpass.getpass(prompt="Enter your password:")
    
23.     sftp_download(username,password,hostname,int(port))

FTP

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1. import ftplib
   
2. 
   
3. FTP_SERVER_URL=yourip
   
4. DOWNLOAD_DIR_PATH=yourdir
   
5. DONWLOAD_FILE_NAME=filename
   
6. 
   
7. def ftp_file_download(path,username,password):
   
8.     #open ftp connection
   
9.     ftp_client=ftplib.FTP(path,username,password)
   
10.     #list the files in the download directory
    
11.     ftp_client.cwd(DOWNLOAD_DIR_PATH)
    
12.     print("File list at %s:" %path)
    
13.     files=ftp_client.dir()
    
14.     print(files)
    
15.     #download a file
    
16.     file_handler=open(DONWLOAD_FILE_NAME,'wb')
    
17.     #ftp_cmd='RETR %s ' %DONWLOAD_FILE_NAME
    
18.     ftp_client.retrbinary('RETR '+DONWLOAD_FILE_NAME,file_handler.write)
    
19.     file_handler.close()
    
20.     ftp_client.quit()
    
21. 
    
22. if __name__=='__main__':
    
23.     ftp_file_download(path=FTP_SERVER_URL,username=youruser,password=yourpass)

ntp

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1. import ntplib
   
2. from time import ctime
   
3. 
   
4. HOSTNAME='ntp.ubuntu.com'
   
5. 
   
6. def ntpupdate():
   
7.     params={}
   
8.     client=ntplib.NTPClient()
   
9.     response=client.request(HOSTNAME)
   
10.     print('Received time: %s' %ctime(response.tx_time))
    
11.     print('ref_clock:',ntplib.ref_id_to_text(response.ref_id,response.stratum))
    
12.     print('stratum: ',response.stratum)
    
13.     print('last_jupdate:',response.ref_time)
    
14.     print('offset: %f' %response.offset)
    
15.     print('precision: ',response.precision)
    
16.     print('root_delay: %.6f' %response.root_delay)
    
17.     print('root_dispersion: %.6f' %response.root_dispersion)
    
18. 
    
19. 
    
20. ntpupdate()