Python FTP operation class code sharing _python

Copy Code code as follows:

#!/usr/bin/py2
#-*-Coding:utf-8-*-
#encoding =utf-8

'''''
FTP automatic download, automatic upload script, can be recursive directory operation
'''

From Ftplib import FTP
Import OS, sys, string, datetime, Time
Import socket

Class FtpClient:

def __init__ (self, host, user, passwd, Remotedir, port=21):
SELF.HOSTADDR = Host
Self.username = user
Self.password = passwd
Self.remotedir = Remotedir
Self.port = Port
SELF.FTP = FTP ()
Self.file_list = []

def __del__ (self):
Self.ftp.close ()

def login (self):
FTP = self.ftp
Try
Timeout = 60
Socket.setdefaulttimeout (Timeout)
FTP.SET_PASV (True)
Ftp.connect (SELF.HOSTADDR, Self.port)
print ' Connect Success%s '% (SELF.HOSTADDR)
Ftp.login (Self.username, Self.password)
print ' Login Success%s '% (SELF.HOSTADDR)
Debug_print (Ftp.getwelcome ())
Except Exception:
Deal_error ("Connect Error or Login error")
Try
FTP.CWD (Self.remotedir)
Except (Exception):
Deal_error (' Change Directory error ')

def is_same_size (self, LocalFile, remotefile):
Try
Remotefile_size = Self.ftp.size (remotefile)
Except
Remotefile_size =-1
Try
Localfile_size = Os.path.getsize (LocalFile)
Except
Localfile_size =-1
Debug_print (' lo:%d re:%d '% (localfile_size, remotefile_size),)
if remotefile_size = = Localfile_size:
Return 1
Else
return 0

def download_file (self, LocalFile, remotefile):
If Self.is_same_size (LocalFile, RemoteFile):
Return
Else
Pass
File_handler = open (LocalFile, ' WB ')
Self.ftp.retrbinary (' RETR%s '% (remotefile), File_handler.write)
File_handler.close ()

def download_files (self, localdir= './', remotedir= './'):
Try
SELF.FTP.CWD (Remotedir)
Except
Return
If not Os.path.isdir (Localdir):
Os.makedirs (Localdir)
Self.file_list = []
Self.ftp.dir (Self.get_file_list)
Remotenames = Self.file_list
For item in Remotenames:
filetype = item[0]
filename = item[1]
Local = Os.path.join (localdir, filename)
if filetype = = ' d ':
Self.download_files (local, filename)
elif filetype = = '-':
Self.download_file (local, filename)
SELF.FTP.CWD ('.. ')

def upload_file (self, LocalFile, remotefile):
If not Os.path.isfile (LocalFile):
Return
If Self.is_same_size (LocalFile, RemoteFile):
Return
File_handler = open (LocalFile, ' RB ')
Self.ftp.storbinary (' STOR%s '%remotefile, File_handler)
File_handler.close ()

def upload_files (self, localdir= './', Remotedir = './'):
If not Os.path.isdir (Localdir):
Return
Localnames = Os.listdir (Localdir)
SELF.FTP.CWD (Remotedir)
For item in Localnames:
src = os.path.join (localdir, item)
If Os.path.isdir (SRC):
Try
SELF.FTP.MKD (item)
Except
Debug_print (' Directory Exists%s '%item)
Self.upload_files (SRC, item)
Else
Self.upload_file (SRC, item)
SELF.FTP.CWD ('.. ')

def mkdir (self, remotedir= './'):
Try
SELF.FTP.MKD (Remotedir)
Except
Debug_print (' Directory Exists%s '%remotedir)

def get_file_list (self, line):
Ret_arr = []
File_arr = Self.get_filename (line)
If file_arr[1] not in ['. ', ' ... ']:
Self.file_list.append (File_arr)

def get_filename (self, line):
pos = Line.rfind (': ')
while (Line[pos]!= '):
POS + 1
while (line[pos] = = "):
POS + 1
File_arr = [Line[0], Line[pos:]]
Return File_arr

def debug_print (str):
Print (str)

def deal_error (E):
TimeNow = Time.localtime ()
Datenow = Time.strftime ('%y-%m-%d ', TimeNow)
Logstr = '%s Error:%s '% (Datenow, E)
Debug_print (LOGSTR)
File.write (LOGSTR)
Sys.exit ()