"Python" FTP connection, primary passive, debug level

The sample code is as follows:

#!/usr/bin/env python#-*-coding:utf-8-*-ImportOS fromFtplibImportFTPdefFtp_down (filename ="XX. tar.gz"): FTP=FTP () ftp.set_debuglevel (2) #设置调试等级Ftp.connect (' 127.0.0.1',' +')Ftp.login (' User',' passwd') FTP.SET_PASV (False) #False: Active mode True: Passive modePrintFtp.getwelcome ()#Display the FTP server welcome messageFTP.CWD (' Home/path/')#Select Action DirectoryBufSize = 1024filename_local="xx.tar.gz"File_handler= Open (Filename_local,'WB'). Write#to open a file locally in write modeFtp.retrbinary ('RETR%s'% os.path.basename (filename), file_handler,bufsize)#receiving files on the server and writing to local filesftp.set_debuglevel (0)ftp.quit ()Print "ftp down OK"Ftp_down ()

Python FTP connection, primary passive, debug level