Python FTP 客户端

最新推荐文章于 2023-12-08 12:03:58 发布

wzhua2014

最新推荐文章于 2023-12-08 12:03:58 发布

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分类专栏： Python 文章标签： python path upload file import exception

本文链接：https://blog.youkuaiyun.com/com2p/article/details/6957826

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本文介绍了一个使用Python编写的FTP客户端类的实现细节。该客户端能够连接到FTP服务器、登录、设置当前路径、上传文件和文件夹，并提供快速上传功能。此外，还提供了退出FTP会话的方法。

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    # -*- coding: utf-8 -*-
     
    from ftplib import FTP
    import traceback
    import os
     
    class PyFtpClient():
        def __init__( self, ):
            self.ftp_core = FTP()
            self.ftp_core.set_debuglevel( 2 )
     
        def connect( self, host, port ):
            ret = True
            try:
                self.ftp_core.connect( host, port )
            except:
                ret = False
            return ret
     
        def login( self, user, password ):
            ret = True
            try:
                self.ftp_core.login( user, password )
                self.ftp_core.getwelcome()
            except:
                ret = False
            return ret
     
        def set_current_path( self, path ):
            nlst = self.ftp_core.nlst()
            if not self.list_contain( nlst, path ):
                self.ftp_core.mkd( path )
            self.ftp_core.cwd( path )
     
        def upload_folder( self, path ):
            main_path, folder_name = os.path.split( path )
            files = os.listdir( path )
            files.sort()
            for filename in files:
                fullpath = os.path.join( path, filename )
                self.upload_file( fullpath )
     
        def quick_upload_file( self, local_file ):
            ret = True
            path, filename = os.path.split( local_file )
            files = self.ftp_core.nlst()
            if self.list_contain( files, filename ):
                self.ftp_core.delete( filename )
            if not os.path.exists( local_file ):
                ret = False
            else:
                self.upload_file( filename, local_file )
            return ret
     
        def upload_file( self, file_name, local_path ):
            try:
                bufsize = 1024
                file_handler = open( local_path, 'rb' )
                cmd = "STOR %s" % ( file_name )
                self.ftp_core.storbinary( cmd, file_handler, bufsize )
            except Exception , e:
                print e
            traceback.print_exc()
     
        def download( self, remote_path, local_file ):
            print "not support"
     
        def quit( self ):
            self.ftp_core.quit()
     
        def list_contain( self, ls, item ):
            ret = True
            try:
                index = ls.index( item )
            except:
                ret = False
            return ret
     
    cftp = PyFtpClient()
    if ( cftp.connect( 'ip', port ) == True ):
        if ( cftp.login( 'user', 'password' ) == True ):
            cftp.set_current_path( "windows" )
            cftp.quick_upload_file( "D:\\data\\1.rar" )
            cftp.quick_upload_file( "D:\\data\\2.rar" )
            cftp.quick_upload_file( "D:\\data\\3.rar" )
            cftp.quick_upload_file( "D:\\data\\4.rar" )
            cftp.quit()
        else:
            print "login error."
    else:
        print "connect error."