python network programming book

= self.request addr = Self . client_address # above two lines of code, equal to CONN,ADDR = Socket.accept (), but in the Socketserver module has been packaged for us, but also for our packaging including bind (), listen (), a Ccept () method while 1:accept_data = str (CONN.RECV (1024x768), encoding= "UTF8") print (ACCE Pt_data) If Accept_data = = "Byebye": Break send_data = bytes (Input ("> Gt;>>> "), encoding=" UTF8 ") Conn.sendall (Send_data) conn.close () if __name__ = = ' __main__ ': Sever

1. Get the return value[email protected] ~]# cat request.py#!/usr/bin/env python #encoding: Utf-8import REQUESTSR = requests.get ("/HTTP/ Www.baidu.com ") print R[[email protected] ~]# python request.py2.get URL with parameters[email protected] ~]# cat request1.py#!/usr/bin/env python #encoding: Utf-8import requestspayload = {"Key1": "Value1", "KEy2 ":" value2 "}

and port number for this machine2.2 Getpeername () Peer IP and port number#!/usr/bin/env python# Information arppingingimport socketprint "Creating socket..."s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)print "done."print "Connect socket..."s.connect(("www.arppinging.com",80))print "done."# 获取本机的IP和portprint "Connected from",s.getsockname()# 获取对端的IP和portprint "Connected to",s.getpeername()RunCreating socket...done.Connect socket...done.Connect

! = ["'] andInfo! = [' ']: -file_name = info[1] in iffile_name! ="' andfile_name! =' ': -File_list.append (File_name.strip (' ')) to exceptFilenotfounderror: + Print('= = = [FTP] Download file no found') - exit () the self.ftp.download (file_list) * Print('= = = [FTP] Exit') $ Panax NotoginsengClient =communidemoclient () -Client.action ()Related reading1. BOOTP theory2. BOOTP Python implementations

connected: ', self.client_address) self.wfile.write ((' [%s]%s '% (CTime (), self.rfile.readline (). Decode ("UTF-8")). Encode ("UTF-8") )) Tcpserv = Server (ADDR, Myrequesthandler) #变动位置 Print (' Wait for a new connection .... ') Tcpserv.serve_forever () Multithreadingsocketserver Server:[Python]View PlainCopy From Socketserver import (TCPServer as TCP, Streamrequesthandler as srh,threadingmixin as TMI) #变动位置 From time import CT

Python: tcp and udp network programming example of SocketServer Example of a tcp network program written using the SocketServer module (socketserver in python3: #! /Usr/bin/env python # Server From SocketServer import TCPServer as TCP, StreamRequestHandler as SRH Class MyRe

,data,cookies=djl) #入参带有cookie, when the parameter is passed in, specify the cookies= parameter print( Req.json ())Example 5:Get request with Header' Http://127.0.0.1/api/user/all_stu ' = { 'Referer':'http://127.0.0.1/' = Requests.get (url,headers=header) #指定 headers= parameter print (Req.json ()) Example 6:Request to upload a file' Http://127.0.0.1/api/file/file_upload ' = { 'file': Open (R'C:\Users\bjniuhanyang\Desktop\ Figure \6bd9026dt935575932465690.jpg','rb')} #参数, If you upload

','123456') . JSON ()#use the auth parameter to specify the account password for the authentication of the permission, Auth is a tuple Print(RES)#====== sending files =====URL ='Http://api.nnzhp.cn/uploadfile'Res= Requests.post (url,files={'file': Open ('api11.py') }). JSON ()#Specify files parameter, pass file, is a file object Print(RES)#===== Send header======URL ='Http://api.nnzhp.cn/getuser2'Data= {'userid': 1} header= {'Content-type':"Application/json"} res= Requests.post (ur

= {' userid ':1,' money ':91999} res = requests. Post(URL,data,auth=(' admin ',' 123456 ')). JSON() #使用auth参数指定权限验证的账号密码, Auth is a tuple. Print(res) #====== sending files =====URL = ' http://api.nnzhp.cn/uploadfile ' res = requests. Post(url,files={' file ':open(' api11.py ')}) . JSON() #指定files参数, pass a file, is a file object Print(res) #===== Send header======URL = ' http://api.nnzhp.cn/getuser2 ' Data = {' userid ':1} header = {' content

As a PHP programmer, but also interested in the network, PHP compared to the egg pain, so I took some time to see PythonBefore Learning Python Foundation for work reasons, intermittent to see a foundation, almost can write codeRecently, I was looking at the basics of Python network

Due to the compatibility of py3.x with the toolkit, py2.7 is used here1, the use of complex network programming package NETWORKX under Python:Http://blog.sina.com.cn/s/blog_720448d301018px7.htmlHandling the four packages mentioned in 1 also:2, need to install Setuptools:Http://wenku.baidu.com/link?url= Xl2qkvzbdph-xocjw7ovzmacm4tio5yhcyu0uw-e7cjhixrrhswi4xheerjevc3olcz8muncngssofimpera2m5rxpfznpmba2slph87gg

Summary of functions commonly used in python network programming summary of functions commonly used in python network programming Socket. getservbyname (servicename [, protocolname])-> integer needs to use two parameters to que

Python network programming (timer)In network programming, the state machine and timer are also indispensable for python. However, writing a timer function on twisted is not a complicated task. You only need the LoopingCall functio

Learn python using Python for network programming, write a simple client and server-side communication, most of the content from the Web tutorial, here to summarize for later review.Let's introduce the three-time handshake for TCP: 1, simply send a message:Server-side:Import== ("127.0.

TCP Programming--Server1 Importsocket, threading, time2 3 defdealclient (sock, addr):4 Print('Accept New connection from%s:%s ...'%addr)5Sock.send (b'Hello, I am server!')#send data to client side6 whileTrue:7data = SOCK.RECV (1024)#receive data sent by the client8Time.sleep (1)9 if notDataorData.decode ('Utf-8') =='Exit':Ten Break One Print('-->>%s!'% Data.decode ('Utf-8')) ASock.send (('loop_msg:%s!'% Data.deco

interprocess communication, and one of the major differences between it and other interprocess communication is:It can realize inter-process communication between different hosts, and most of the various services on our network are based on sockets to complete communication.For example, we browse the Web every day, QQ chat, send and receive email, etc.4. Create a socketUsing the socket module function in Python