python实现静态服务器

#coding:utf-8import socketimport multiprocessingimport reHTML_ROOT_DIR = "./html"class HTTPServer(object):  #初始化  def __init__(self):    self.serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)    self.serversocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)  #开启服务器启动进程  def start(self):    self.serversocket.listen(128)    while True:      clintsocket, addree = self.serversocket.accept()      hanlderprogess = multiprocessing.Process(target=self.xiexi, args=(clintsocket,))      hanlderprogess.start()      clintsocket.close()  #绑定端口  def bind(self,port):    self.serversocket.bind(("", port))  #获取请求头，进行解析，同时发送相应头  def xiexi(clserver):    date = clserver.recv(1024)    print date    list = str(date).split("/r/n")    # 解析    requesthead = list[0]    print requesthead    #使用正则表达式解析出请求头的文件名称    file = re.match(r"/w+ +(/[^ ]*) ",requesthead).group(1)    #对获取的问题名判断，如果是／的就进行显示index.html    if "/"==file:      file = "/index.html"    try:      f = open(HTML_ROOT_DIR+file,"rb")    except:      response_start_line = "HTTP/1.1 200 OK /r/n"      response_headers = "Server:My server/r/n"      response_body = "the file not file"    else:      file_date = f.readline()      f.close()      response_start_line = "HTTP/1.1 200 OK /r/n"      response_headers = "Server:My server/r/n"      response_body = file_date.decode("utf-8")    response = response_start_line+response_headers+"/r/n"+response_body    print response    clserver.send(bytes(response))    clserver.close()def main():  server = HTTPServer()  server.bind(1001)  server.start()if __name__=="__main__":  main()