python 搭建ftp服务器

使用python编写一个ftp服务器

#! /usr/bin/env
# -*- encoding:utf-8 -*=
'''
Created on 2020年5月14日

@author: perilong
'''

import os
import configparser
# import socket
from pyftpdlib.authorizers import DummyAuthorizer
from pyftpdlib.handlers import FTPHandler
from pyftpdlib.servers import FTPServer


__ip = ''
__username = ''
__password = ''
__path = ''
__port = -1


def __getConfig():
    global __username,__password,__path,__port
    config = configparser.ConfigParser()
    config.read('config.ini')
    
    # 获取参数
    __username = config.get('auth', 'username')
    __password = config.get('auth', 'password')
    __path = config.get('serverpath', 'path')
    __port = config.get('port', 'port')
    
    # 如果没有则创建目录
    if not os.path.exists(__path):
        os.makedirs(__path)
    


def __getLocalIp():
    #     hostname = socket.gethostname()
    #     __ip = socket.gethostbyname(hostname)
    global __ip
    
    ipList = []
    returnMesg = os.popen('ipconfig -all').read()
    msgList = returnMesg.split('
')
    for msg in msgList:
        if 'ipv4' in msg.lower():
            ipList.append(msg.split(':')[1].split('(')[0].strip()) 
    
    # 如果只有一个ip，则直接使用
    if len(ipList) == 1:
        __ip = ipList[0]
        return
    
    for ip in ipList:
        if '192.168.1.' in ip:
            __ip = ip 
            break
    

def __ftpStart():
    #实例化用户授权管理
    authorizer = DummyAuthorizer()
    authorizer.add_user(__username,__password,__path,perm='elradfmwMT') #添加用户 参数：username,password,允许的路径、权限

    #实例化FTPHandle
    handler = FTPHandler
    handler.authorizer = authorizer

    #设定一个客户端链接时的标语
    handler.banner = 'pyftplib based ftpd ready.'

    server = FTPServer((__ip, __port), handler)  #FTP服务器实例
    #设定一个限制连接
    server.max_cons = 256
    server.max_cons_per_ip = 5

    #开启服务器
    server.serve_forever()
    


if __name__ == '__main__':
    __getConfig()
    __getLocalIp()
    __ftpStart()