python 搭建FTP服务上传下载文件

2021/7/16 11:35:02

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python 搭建FTP服务上传下载文件

  • server.py

    #!/usr/bin/python3
    # -*- coding:utf-8 -*-
    # @Author         : Charlie Zhang
    # @Email          : charlie.zhang@wiwide.com
    # @Time           : 2021/7/15 16:20
    # @Version        : 1.0
    # @File           : server.py
    # @Software       : PyCharm
    
    from pyftpdlib.authorizers import DummyAuthorizer
    from pyftpdlib.handlers import FTPHandler
    from pyftpdlib.servers import FTPServer
    from config import FTP_USER, FTP_PASSWORD, FTP_DIR, FTP_PASSIVE_PORTS
    # 实例化DummyAuthorizer来创建ftp用户
    authorizer = DummyAuthorizer()
    # 参数:用户名,密码,目录,权限
    authorizer.add_user(FTP_USER, FTP_PASSWORD, FTP_DIR, perm='elradfmwMT')
    # 匿名登录
    # authorizer.add_anonymous('/home/nobody')
    
    handler = FTPHandler
    handler.authorizer = authorizer
    
    # Define a customized banner (string returned when client connects)
    handler.banner = "pyftpdlib based ftpd ready."
    
    handler.passive_ports = FTP_PASSIVE_PORTS
    
    # 参数:IP,端口,handler
    server = FTPServer(('127.0.0.1', 21), handler)
    
    # set a limit for connections
    server.max_cons = 256
    server.max_cons_per_ip = 5
    
    server.serve_forever()
    
  • client.py

    #!/usr/bin/python3
    # -*- coding:utf-8 -*-
    # @Author         : Charlie Zhang
    # @Email          : charlie.zhang@wiwide.com
    # @Time           : 2021/7/15 16:23
    # @Version        : 1.0
    # @File           : client.py
    # @Software       : PyCharm
    
    
    import ftplib
    import os
    from config import FTP_USER, FTP_PASSWORD, LOCAL_DIR
    
    
    class Ftp(ftplib.FTP):
        def __init__(self, host='127.0.0.1', user=FTP_USER, passwd=FTP_PASSWORD, acct='', timeout=1000):
            ftplib.FTP.__init__(self, host, user, passwd, acct, timeout)
            print(self.getwelcome())  # 显示ftp服务器欢迎信息
    
            self.__ftp_dirs = None
            self.__ftp_files = None
    
        def __update_path(self):  # 分辨是文件还是文件夹
            self.__ftp_dirs = []
            self.__ftp_files = []
    
            for file in self.nlst():
                try:
                    self.cwd(file)
                    self.cwd('..')
                    self.__ftp_dirs.append(file)
                except:
                    self.__ftp_files.append(file)
    
        def get_path(self):
            self.__update_path()
            return self.__ftp_dirs, self.__ftp_files
    
        def download_files(self, ftp_files, local_path, blocksize=8192):
            for ftp_file in ftp_files:
                self.__download(ftp_file, local_path, blocksize)
    
        def upload_files(self, local_files, ftp_path, blocksize=8192):
            for local_file in local_files:
                self.__upload(local_file, ftp_path, blocksize)
    
        def __download(self, ftp_file, local_path, blocksize=8192):
            local_file = os.path.join(local_path, os.path.basename(ftp_file))
            u8_ftp_file = ftp_file
            try:
                print('begin __downLoad ' + ftp_file)
                fp = open(local_file, 'wb')
                self.retrbinary('RETR %s' % (u8_ftp_file), fp.write, blocksize)
                fp.close()
                print('__download ' + ftp_file + ' is end')
            except Exception as e:
                print('error: ', e)
                print('__download ' + ftp_file + 'is fail')
    
        def __upload(self, local_file, ftp_path, blocksize=8192):
            try:
                print('begin __upload ' + local_file)
                u8_ftp_file = os.path.join(ftp_path, os.path.basename(local_file))
                local_file_path = os.path.join(LOCAL_DIR, local_file)
                fp = open(local_file_path, 'rb')
                self.storbinary('STOR %s' % (u8_ftp_file), fp, blocksize)
                fp.close()
                print('__upload ' + local_file + ' is end')
            except Exception as e:
                print('error: ', e)
                print('__upload ' + local_file + 'is fail')
    
    
    if __name__ == '__main__':
        ftp = Ftp()
    
        # dirs, files = ftp.get_path()
        # for dir in dirs:
        #     print(dir)
        #
        # print('................')
        # for file in files:
        #     print(file)
        ftp.download_files(['001F7A31AC2C_1625466411.background_1.jpg'], LOCAL_DIR)
    
        # ftp.upload_files(['001F7A31AC2C_1625466411.background_1.jpg'], '/')
    
  • config.py

    #!/usr/bin/python3
    # -*- coding:utf-8 -*-
    # @Author         : Charlie Zhang
    # @Email          : charlie.zhang@wiwide.com
    # @Time           : 2021/7/15 16:34
    # @Version        : 1.0
    # @File           : config.py
    # @Software       : PyCharm
    import os
    
    BASE_DIR = os.path.dirname(os.path.abspath(__file__))
    
    FTP_USER = 'prod'
    FTP_PASSWORD = 'wiwide123'
    FTP_PASSIVE_PORTS = range(20050, 20060)
    
    FTP_DIR = os.path.join(BASE_DIR, 'origin')
    LOCAL_DIR = os.path.join(BASE_DIR, 'local')
    
    
  • 目录结构

    ftp/
    |-- client.py                                                    客户端
    |-- config.py                                                    配置文件
    |-- local                                                        本地文件目录
    |   `-- 001F7A31AC2C_1625466411.background_1.jpg
    |-- origin                                                       远程文件目录
    `-- server.py                                                    服务端
    


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