ftp command line

ByteZoneFtp.py

import ftplib

def command():
	cmd = raw_input(login +"@" + host +">")
	#upload
	if cmd=="upload": 
		filename = raw_input("Insert file name:")
		#Upload a binary file from your disk
		ftp.storbinary('STOR '+filename, open(filename,'rb'))
		print "file upload success!"
		command()
	#download
	if cmd=="download":
		filenameHost = raw_input("Insert file name (on server):")
		filename = raw_input("Insert file name (in your disk):")
		ftp.retrbinary('RETR '+filenameHost, open(filename,'wb').write)
		print "file download success!"

		command()
	#cambia directory
	if cmd=="cd":
		newDir = raw_input("new dir:")
		ftp.cwd(newDir)	
		#visualizzo tutti i file della directory
		print ftp.retrlines("LIST")
		command()
	#help
	if cmd=="help":
		print "-------------------------------------------------"
		print ".:[ ByteZoneFtp Help ]:."
		print ""
		print "Aviable commands:"
		print "- upload (upload files from your disk to server)"
		print "- download (download files from server)"
		print "- cd (change directory)"
		print "- quit"
		print "-------------------------------------------------"
		command()
	#quit
	if cmd=="quit": 
		print "quit from " + host
		print "------------------------------"
		print "ByteZoneFtp v0.1 Beta"
		print "by Nemolog"
		print ""
		print "follow me http://plumfake.net"
		print "------------------------------"		
		ftp.quit()
		exit()
		
	#ripropongo il comando
	else:command()
	
print "------------------------------"
print "Wellcome ByteZoneFtp v0.1 Beta"
print "by Nemolog"
print ""
print "follow me http://plumfake.net"
print "------------------------------"

host = raw_input("Insert Host:")
login = raw_input("Insert Login:")
psw = raw_input("Insert Password:")
directory = raw_input("Insert direcory (default '/'):")

if directory == "": directory = "/"

print "try connect to " + login +"@" + host +"..."

try: ftp = ftplib.FTP(host)

except ftp.all_errors, error:
    print "Cannot connect:", error
else:
	#provo a collegarmi... 
    try: ftp.login(login, psw)
    except ftp.all_errors, error:
        print "Cannot login:", error
    else:
	#benvenuto...
	print ftp.getwelcome()
	ftp.cwd(directory)
	
	#visualizzo tutti i file della directory
	print ftp.retrlines("LIST")

	command()