Python 网络编程随笔

概述importsocketclassRoute(object):_routes={}def__new__(cls,*args,**kwargs):if(nothasattr(cls,'instance')):instance=super().__new__(cls)setattr(cls,"instance",instance)returng

import socketclass Route(object):    _routes = {}    def __new__(cls,*args,**kwargs):        if(not hasattr(cls,'instance')):            instance = super().__new__(cls)            setattr(cls,"instance",instance)        return getattr(cls,"instance")    def __call__(self,route):        def wrap(func):            self._routes[route] = func        return wraprouter = Route()@router("/")def index() -> str:    with open('index.HTML','r') as f:        content = f.read()    return content    @router("/home")def home() -> str:    with open("home.HTML",'r') as f:        content = f.read()    return contentif __name__ == "__main__":    r = Route()    print(r._routes)    print("server start...")    s = socket.socket()    s.bind(("0.0.0.0",8888))    s.Listen(5)    while 1:        conn,addr = s.accept()        print(addr)        data = conn.recv(4096)        print(data)        header = str(data)        try:            method,route,_ = header.split("\r\n")[0].split(" ")            content = Route._routes[route]()            conn.send(bytes(f"http/1.1 200 OK\r\nContent-Type:text/HTML;\r\nContent-Length:{len(content)}\r\n\r\n{content}",enCoding="utf-8"))        except KeyError:            ...    s.close()    

　　

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