Using python to Realize the File Reading and Writing Method of ftp

ftp login connection

from ftplib import FTP      # Loading ftp Module 
ftp=FTP()             # Set variables 
ftp.set_debuglevel(2)       # Turn on the debug level 2 Display details 
ftp.connect("IP","port")     # Connected ftp sever And ports 
ftp.login("user","password")   # User name and password for connection 
print ftp.getwelcome()      # Print out the welcome message 
ftp.cmd("xxx/xxx")        # Enter the remote directory 
bufsize=1024           # Set buffer size 
filename="filename.txt"      # Files to be downloaded 
file_handle=open(filename,"wb").write # Open a file locally in write mode 
ftp.retrbinaly("RETR filename.txt",file_handle,bufsize) # Receive files on the server and write to local files 
ftp.set_debuglevel(0)       # Turn off debug mode 
ftp.quit()            # Quit ftp
 
ftp Related command operation 
ftp.cwd(pathname)         # Settings FTP The path of the current operation 
ftp.dir()             # Display all directory information under the directory 
ftp.nlst()            # Get the files in the directory 
ftp.mkd(pathname)         # New Remote Directory 
ftp.pwd()             # Return to the current location 
ftp.rmd(dirname)         # Delete Remote Directory 
ftp.delete(filename)       # Delete remote files 
ftp.rename(fromname, toname)# Will fromname Modify the name to toname . 
ftp.storbinaly("STOR filename.txt",file_handel,bufsize) # Upload target file 
ftp.retrbinary("RETR filename.txt",file_handel,bufsize) # Download FTP Documents