“””/etc/python3
@File : IO_HTTP.py
@Time : 2020/7/18 下午3:26
@Author : wangyongqi
@Email : 92644827@qq.com
@SOftware : PyCharm”””
from socket import *
from select import *
importreclassWebServer:def __init__(self,host=’0.0.0.0′,port=8000,html=None):
self.host=host
self.port=port
self.html=html#做ＩＯ多路复用的并发模型
self.__rlist=[]
self.__wlist=[]
self.__xlist=[]
self.create_socket()
self.bind()defcreate_socket(self):
self.sock=socket()
self.sock.setblocking(False)defbind(self):
self.address=(self.host,self.port)
self.sock.bind(self.address)defstart(self):
self.sock.listen(5)print(‘Listen the port %d’%self.port)
self.__rlist.append(self.sock)whileTrue:
rs,ws,xs=select(self.__rlist,self.__wlist,self.__xlist)for r inrs:if r isself.sock:
connfd,addr=self.sock.accept()
connfd.setblocking(False)
self.__rlist.append(connfd)else:
self.handle(r)#处理客户请求
defhandle(self,connfd):
request=connfd.recv(1024*1024).decode(‘utf8’)
pattern='[A-Z]+\s+(?P/\S*)’result=re.match(pattern,request)ifresult:
info=result.group(‘info’)
self.send_requst(connfd,info)else:#断开客户端
self.__rlist.remove(connfd)
connfd.close()defsend_requst(self,connfd,info):try:
html= open(self.html+info,’rb’)print(html)except:
hsstml= “””/HTTP/1.1 200 ok
Content-tpe text/html
404″””connfd.send(hsstml.encode())
self.__rlist.remove(connfd)else:
html=html.read()
hsstml= “/HTTP/1.1 200 ok\r\n”hsstml+=”Content-tpe text/html\r\n”hsstml+=”Content-Length:%d\r\n”%len(html)
hsstml+=’\r\n’hsstml=hsstml.encode()
hsstml+=html
connfd.send(hsstml)
self.__rlist.remove(connfd)
connfd.close()#html=html.read()
#url=info[1:]
#if url==”:
#hsstml = “””/HTTP/1.1 200 ok
#Content-tpe text/html
# #404
#”””
#connfd.send(hsstml.encode())
#self.__rlist.remove(connfd)
# #else:
#try:
#html=open(url)
#except FileNotFoundError:
#hsstml = “””/HTTP/1.1 200 ok
#Content-tpe text/html
# #404
#”””
#connfd.send(hsstml.encode())
#self.__rlist.remove(connfd)
#else:
#html=html.read()
#hsstml = f”””/HTTP/1.1 200 ok
#Content-tpe text/html
# #{html}
#”””
#connfd.send(hsstml.encode())
#self.__rlist.remove(connfd)
if __name__ == ‘__main__’:”””1.使用流程
2.那些量需要用户决定，怎么传入
那组网页 服务端地址”””httpd=WebServer(host=’0.0.0.0′,port=8578,html=’static’)
httpd.start()