Detaillierte Erläuterung von Beispielen der SELECT-Version von FTP

  1 #！usr/bin/env python  2 #-*-coding:utf-8-*-  3 # Author calmyan  4   5 import socket,os,json,sys  6 BASE_DIR=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))#获取相对路径转为绝对路径赋于变量  7 sys.path.append(BASE_DIR)#增加环境变量  8 from core.client_func import user_pwd  9 #from core.client_func import show_process 10 from cfg import config 11  12 #进度条 13 def show_process(lens): 14     received_size=0#定义大小 15     current_percent=0#当前大小百分比 16     while received_size<lens: 17         if int((received_size/lens)*100)>current_percent: 18             print('#',end='',flush=True) 19             current_percent=int((received_size/lens)*100) 20         new_size=yield 21         received_size+=new_size 22  23 server_addr=('localhost',9500)#设置绑定的 IP 端口 24 #server_addr=('192.168.11.50',9500)#设置绑定的 IP 端口 25 client=socket.socket() 26 client.connect(server_addr) 27 while True: 28     data_d=user_pwd(client) 29     if data_d['tag']:#运行#用户名登陆成功 30         while True: 31             print('''=====指令提示==== 32             查看目录文件: ls 33             下载文件: get 文件名 或 文件编号  如: get test.txt  或  get 1 34             上传方件: put 路径/文件名 如 put e:/test.txt 35             退出：exit 36             ''') 37             cho=input('指令 >>:').strip() 38             if len(cho)==0:continue 39             if cho=='exit':exit()#退出指令 40             cmd_list=cho.split() 41             if cmd_list[0]=='put':#如果等于下载指令 42                 if len(cmd_list)==1: 43                     print('没有输入相关文件名') 44                     continue 45                 filename=cmd_list[1] 46                 file_dir=config.USER_DIR+'/'+filename 47                 if os.path.isfile(file_dir):#如果文件存在 48                     file_obj=open(file_dir,"rb")#打开文件 49                     name=file_obj.name.split('/')[-1]#文件名 50                     #name=filename.split("\\")[-1]#文件名 51                     sez=os.path.getsize(file_dir)#获取文件大小 52                     if sez<1: 53                         print('\033[41;1m文件为空!,不能上传\033[0m') 54                         continue 55                     progress = show_process(sez) #进度条 传入文件大小 56                     progress.__next__() 57                     rat=0 58                     file_obj.seek(rat)#移动到位置 59                     data_header={ 60                         "action":"put", 61                         "filename":name, 62                         "size":sez 63                     } 64                     client.send(json.dumps(data_header).encode())#用json 序列化后,发送相关 信息 65  66                     print("文件[%s]发送中...."%data_header["filename"]) 67  68                     while rat<sez: 69                         line=file_obj.read(4096) 70                         client.send(line) 71                         try: 72                             progress.send(len(line))#传入当前数据大小 73                         except StopIteration as e: 74                             print("100%") 75                             break 76                     print("文件[%s]发送完毕!"%data_header["filename"]) 77                 else: 78                     print('\033[41;1m该文件不存在或为目录\033[0m') 79                     continue 80             elif cmd_list[0]=='get':#如果等于get 上传指令 81                 if len(cmd_list)==1: 82                     print('没有输入相关文件名') 83                     continue 84                 filename=cmd_list[1] 85                 print(filename) 86                 data_header={ 87                         "action":"get", 88                         "filename":filename, 89                         "size":'' 90                     } 91                 client.send(json.dumps(data_header).encode())#用json 序列化后,发送相关 信息 92                 datas=client.recv(4096)#接收数据 指令 93                 data_l= json.loads(datas.decode())#反序列 94                 # print(data_l) 95                 # print(data_l['size']) 96                 if data_l['filename']==False: 97                     print('\033[41;1m文件不存在或者出错\033[0m') 98                     continue 99                 prten=show_process(data_l["size"])100                 prten.__next__()101                 file_dir=config.USER_DIR+'/'+data_l["filename"]102                 file_obj=open(file_dir,'wb')#打开新建 这个文件103                 rece_size=0#定义 文件大小值104 105 106                 while rece_size<data_l["size"]:#小于接收的文件大小时,107                     recv_data=client.recv(4096)108                     file_obj.write(recv_data)#写入文件109                     rece_size+=len(recv_data)#增加文件大小计算110                     try:111                         prten.send(len(recv_data))112                     except StopIteration as e:113                         print('100%')114 115                 else:116                     print("文件[%s]接收完毕!"%data_l["filename"])117                     file_obj.flush()118                     file_obj.close()#关闭文件119             elif cmd_list[0]=='ls':#查看目录文件120                 data_header={121                         "action":"ls",122                         "filename":'',123                         "size":''124                     }125                 client.send(json.dumps(data_header).encode())#用json 序列化后,发送相关 信息126                 datas=client.recv(4096)#接收数据 指令127                 data_l= json.loads(datas.decode())#反序列128                 for k,v in enumerate(data_l):129                     print('编号: %s  文件名:%s'%(k,v))130 131     else:132         print(data_d['mag'])

 1 #！usr/bin/env python 2 #-*-coding:utf-8-*- 3 # Author calmyan 4  5 import os ,sys 6 BASE_DIR=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))#获取相对路径转为绝对路径赋于变量 7 sys.path.append(BASE_DIR)#增加环境变量 8  9 10 USER_DIR=BASE_DIR+'/home'#定义用户目录文件路径变量11 IP='192.168.11.50'12 PORST=9500

 1 #！usr/bin/env python 2 #-*-coding:utf-8-*- 3 # Author calmyan 4 import socket,os,json,sys 5 #用户名登陆函数 6 def user_pwd(client): 7     user_=input('请输入用户名:').strip() 8     pwd_=input('请输入密码:').strip() 9     data_header={10                 "action":"user",11                 "name":user_,12                 "pwd":pwd_13             }14     client.send(json.dumps(data_header).encode())#用json 序列化后,发送相关 信息15     data=client.recv(4096)#接收数据 指令16     data_s=json.loads(data.decode('utf-8'))#反序列17     return data_s

 1 #！usr/bin/env python 2 #-*-coding:utf-8-*- 3 # Author calmyan 4 import socket,os,json,sys,pickle 5  6 BASE_DIR=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))#获取相对路径转为绝对路径赋于变量 7 sys.path.append(BASE_DIR)#增加环境变量 8 from cfg import config 9 print('用户注册'.center(60,'='))10 while True:11     user_=input('请输入您要注册的用户名:').strip()12     user_dir=os.path.join(config.USER_DIR,user_)#拼接用户目录路径13     if os.path.isdir(user_dir):# 判断一个目录是否存在14         print('用户已经存在请重输!')15         continue16     else:17         pwd_=input('请输入密码:').strip()18         pwd_two=input('请确认密码:').strip()19         if pwd_==pwd_two:20 21 22             if  not os.path.isfile(config.USER_FILE):23                 with open(config.USER_FILE,'w',encoding='utf-8') as f:24                     f.write('{}')25             with open(config.USER_FILE,'r+',encoding='utf-8') as f:26                 data=eval(f.readline())27                 data[user_]=pwd_28                 f.seek(0)29                 f.write(str(data))30             print('用户[%s]注册成功!'%user_)31             exit()

 1 #!usr/bin/env python 2 #-*-coding:utf-8-*- 3 # Author calmyan  4 #python  5 #2017/6/24    19:34 6 #__author__='Administrator' 7 import select,socket,sys ,queue,json,os 8 BASE_DIR=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))#获取相对路径转为绝对路径赋于变量 9 sys.path.append(BASE_DIR)#增加环境变量10 11 import core12 from core.server_class import socket_server13 14 s=socket.socket()#实例化一个连接对象15 s.setblocking(0)#设置成非阻塞16 server_addr=('localhost',9500)#设置绑定的 IP 端口17 s.bind(server_addr)#连接对象绑定IP 端口18 s.listen(100)#队列  可连接数量19 inputs=[s,]#首先要监测本身20 21 outputs=[]#发送列表22 23 meg_queues={} #发送 连接对象的队列集合  字典24 25 while True:26     print('监听中......')27     readable,writeable,exeptional=select.select(inputs,outputs,inputs)#生成select 对象,返回三个列表 连接,发关,错误28 29     for i in readable: #i为一个socket30         if i is s:#如果i 是s 表示有新 连接 进来31             conn,client_addr=i.accept()#建立一个新连接32             print('接入一个新连接...',client_addr)33             conn.setblocking(0)#也设成非阻塞34             inputs.append(conn)#加入select,的连接列表,避免出现阻塞35             meg_queues[conn]=queue.Queue()#创建一个队列  添加到字典36         else:37             try:38                 data=i.recv(1024)#如果不是新连接就收数据39             except Exception as e:40                 print(e)41             if data: #如果数据不为空42                 print('[%s] 发来的数据 [%s]'%(i.getpeername,data))43                 meg_queues[i].put(data)#当前连接的消息队列加入数据44                 if i not in outputs:#如果当前连接没有在发送列表内,就加入发送列表45                     outputs.append(i)46             else:47                 print('客户端已经断开了....')#开始清理工作48                 if i in outputs:#在发送列表49                     outputs.remove(i)#在发送列表内删除50                 inputs.remove(i)#在连接列表内删除51                 del meg_queues[i]#在队列字典内删除52 53     for w in writeable:#循环发送列表54         try:55             msg=meg_queues[w].get_nowait()#取出队列中的数据,判断56         except queue.Empty:#如果数据为空57             outputs.remove(w)##从发送列表内删除58         else:59             data = json.loads(msg.decode())#反序列60             serv=socket_server(data,w)61             if data['action']=='user':#如果是用户名,进行认证\62                 #serv=socket_server(data,conn)63                 ret=serv.ret_l()64                 if ret['tag']:65                     pass66                 else:67                     break68             #print('echoing', repr(data), 'to', conn)69             #data=json.loads(data)70             if data['action']=="put":#如果接收的字典中是put,就是进行接收71                 #serv=socket_server(data,conn)72                 serv.put_file(serv.open_f())#调对象方法73             elif data['action']=='get':#下载74                 #serv=socket_server(data,conn)#实例化75                 serv.send_file(serv.open_f())#调 用方法76             elif data['action']=='ls':#查看77                 #serv=socket_server(data,conn)78                 serv.ls_file(serv.open_f())79                 break80 81             #w.send(msg)#发送82 83 84 85     for e in exeptional:#循环错误列表86         print('连接[%s]出错!'%e.getpeername)87         inputs.remove(e)##从发送列表内删除88         if e in outputs:#在发送列表89             outputs.remove(e)#在发送列表内删除90         e.close()91         del meg_queues[e]#在队列字典内删除

 1 #！usr/bin/env python 2 #-*-coding:utf-8-*- 3 # Author calmyan 4 import socket,os,json 5 import sys 6 import selectors 7  8 BASE_DIR=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))#获取相对路径转为绝对路径赋于变量 9 sys.path.append(BASE_DIR)#增加环境变量10 11 from  core.server_class import socket_server12 from  core.server_class import open_file_list13 14 15 16 17 18 def accept(sock, mask):19     conn, addr = sock.accept()  # 建立新连接20     print('accepted', conn, 'from', addr)21     conn.setblocking(False)#设成非阻塞22     sel.register(conn, selectors.EVENT_READ, read)#注册 连接,回调函数 read23 24 25 def read(conn,mask):26     #gevent.spawn(handle_request, cli)#创建一个新协程来27     data = conn.recv(1024)  # 接收数据28     if data:#不为空29         print('接收的数据:')30         #print(mask)31         if len(data)==0:32             return33         data = json.loads(data.decode())#反序列34         serv=socket_server(data,conn)35         if data['action']=='user':#如果是用户名,进行认证\36             #serv=socket_server(data,conn)37             ret=serv.ret_l()38             if ret['tag']:39                 pass40             else:41                 return42         if data['action']=="put":#如果接收的字典中是put,就是进行接收43             #serv=socket_server(data,conn)44             serv.put_file(serv.open_f())#调对象方法45         elif data['action']=='get':#下载46             #serv=socket_server(data,conn)#实例化47             serv.send_file(serv.open_f())#调 用方法48         elif data['action']=='ls':#查看49             #serv=socket_server(data,conn)50             serv.ls_file(serv.open_f())51             return52     else:#如果为空53         print('closing', conn)54         sel.unregister(conn)#取消注册55         conn.close()#关闭连接56 57 server_addr=('0.0.0.0',9501)#设置绑定的 IP 端口58 s=socket.socket()#定义59 s.bind(server_addr)#绑定IP 端口60 s.listen(5)#对列561 s.setblocking(False)#非阻塞62 print('正在监听中')63 64 sel = selectors.DefaultSelector()#生成一个创建一个selectors对象65 sel.register(s, selectors.EVENT_READ, accept)#注册连接  返调函数为accepts66 67 while True:68         events = sel.select()#默认为阻塞模式69         for key, mask in events:#如果有连接,接入70             callback = key.data#新建连接句柄71             callback(key.fileobj, mask)

 1 #！usr/bin/env python 2 #-*-coding:utf-8-*- 3 # Author calmyan 4 import os ,sys 5 BASE_DIR=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))#获取相对路径转为绝对路径赋于变量 6 sys.path.append(BASE_DIR)#增加环境变量 7  8  9 USER_DIR=BASE_DIR+'/db/user_file/'#定义用户目录文件路径变量10 11 USER_FILE=BASE_DIR+'/db/user_names'#定义用户名密码文件路径变量12 IP='localhost'13 PORST=9501

  1 #！usr/bin/env python  2 #-*-coding:utf-8-*-  3 # Author calmyan  4 import socket,os,json,sys,pickle  5 import selectors  6   7 BASE_DIR=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))#获取相对路径转为绝对路径赋于变量  8 sys.path.append(BASE_DIR)#增加环境变量  9  10 from cfg import config 11  12  13 #用户名检测函数 14  15 def open_file_list(name,pas):#传入当前类 16     with open(config.USER_FILE,'r',encoding='utf-8') as f: 17         data=eval(f.readline()) 18         print(data) 19         if name in data and pas==data[name]: 20             return True 21         else: 22             return False 23  24  25  26  27 #连接类 28 class socket_server(object): 29     '''连接类''' 30     file_path=config.USER_DIR#用户路经变量 31     def __init__(self,data,conn):#传入 32  33         self.DATA=data 34         self.conn=conn 35  36  37     def ret_l(self): 38         self.ret=self.login(self.DATA["name"],self.DATA['pwd'],self.conn)#用户名检测 39         return self.ret 40     def open_f(self):#打开目录 41  42         file_dir=os.path.join(config.USER_DIR)#用户目录 43         print(file_dir) 44         file_name=os.listdir(file_dir)#目录文件列表 45         f=file_dir+'/'+self.DATA['filename']##上传的文件名 46         return file_dir,file_name,f#返回 47  48     def ls_file(self,data):#查看文件 49         self.conn.send(json.dumps(data[1]).encode()) 50  51     def send_file(self,data): 52  53         if self.DATA['filename'] in data[1]:#如果是输入文件名 54             f=data[0]+'/'+self.DATA['filename'] 55             file_obj=open(f,"rb")#打开文件 56             name=file_obj.name.split('/')[-1]#文件名 57             sez=os.path.getsize(f)#获取文件大小 58             if sez<1: 59                 print('文件错误!') 60                 data={'filename':False} 61                 self.conn.send(json.dumps(data).encode()) 62             print(''.center(30,'=')) 63             print(sez) 64             print(''.center(30,'=')) 65             data_header={ 66                     "action":"put", 67                     "filename":name, 68                     "size":sez 69                     } 70             self.conn.send(json.dumps(data_header).encode())#用json 序列化后,发送相关 信息 71             for line in file_obj: 72                 self.conn.send(line)#发送数据 73  74         elif self.DATA['filename'].isdigit():#如果是输入编号 75             num=int(self.DATA['filename'])#转为数字 76             try: 77                 f=data[0]+'/'+data[1][num]# 78                 file_obj=open(f,"rb")#打开文件 79                 name=file_obj.name.split('/')[-1]#文件名 80                 sez=os.path.getsize(f)#获取文件大小 81                 if sez<1: 82                     print('文件错误!') 83                     data={'filename':False} 84                     self.conn.send(json.dumps(data).encode()) 85                 print(sez) 86                 data_header={ 87                 "action":"put", 88                 "filename":name, 89                 "size":sez 90                 } 91                 self.conn.send(json.dumps(data_header).encode())#用json 序列化后,发送相关 信息 92                 for line in file_obj: 93                     self.conn.send(line)#发送数据 94                 self.conn.send(json.dumps(f).encode())#发送文件 95             except Exception as e: 96                 data={'filename':False} 97                 self.conn.send(json.dumps(data).encode()) 98         else: 99             data={'filename':False}100             self.conn.send(json.dumps(data).encode())101     def put_file(self,data):#上传文件102         file_obj=open(data[2],'wb')#打开新建 这个文件103         rece_size=0#定义 文件大小值104         while rece_size<self.DATA["size"]:#小于接收的文件大小时,105             recv_data=self.conn.recv(4096)106             file_obj.write(recv_data)#写入文件107             rece_size+=len(recv_data)#增加文件大小计算108         else:109             print("文件[%s]接收完毕!"%self.DATA["filename"])110             file_obj.flush()111             file_obj.close()#关闭文件112     #@staticmethod113     def login(self,name,pas,conn):#用户检测 函数114         try:115             if open_file_list(name,pas):116                 tag=True117                 error=''118                 datas={'user':name}119                 data={'mag':'用户认证通过','tag':True}120                 print(json.dumps(data).encode())121                 conn.send(json.dumps(data).encode())122             else:123                 raise Exception('\033[41;1m用户名或密码错误\033[0m' %name)124         except Exception as e:125             tag=False126             error=str(e)127             datas=''128             data={'mag':'用户或密码错误','tag':False}129             print('发送数据%s'%data)130             conn.send(json.dumps(data).encode())131         return {'tag':tag,'error':error,'data':datas}