simple dynamic web server with self defined framework (python)

The framework

import time
from test1 import HTTPServer

class Applicatoin(object):
    def __init__(self,urls):
        self.urls = urls

    def __call__(self, evn, start_response):
        path = evn.get("PATH_INFO")
        print('original pathinfo %s'%path)
        for url,handler in self.urls:
            if path == url:
                print('----------%s--------'%path)
                return handler(evn,start_response)
        status = '404 not found'
        headers = []
        start_response(status,headers)
        print('-----%s  not found'%path)
        return '404 not found'

def show_ctime(evn,start_response):
    status = '200 Ok'
    headers = [
        ('Content-Type','text/plain')
    ]
    start_response(status,headers)
    return time.ctime()

def say_hello(env,start_response):

    status = '200 Ok'
    headers = [
        ('Content-Type','text/plain')
    ]
    start_response(status,headers)
    return 'hello'

urls = [
    ('/',show_ctime),
    ('/ctime',show_ctime),
    ('/sayhello',say_hello)
]
if __name__ == '__main__':
    app = Applicatoin(urls)
    http_server = HTTPServer(app)
    http_server.bind(8000)
    http_server.start()

The server

from socket import *
import re
from multiprocessing import Process

class HTTPServer(object):
    def __init__(self,app):
        self.sSocket = socket(AF_INET,SOCK_STREAM)
        self.app = app
        self.sSocket.setsockopt(SOL_SOCKET,SO_REUSEADDR,1)

    def start(self):
        self.sSocket.listen()
        while True:
            client_socket,client_add = self.sSocket.accept()
            print('---%s %s---connect--'%(client_add))
            handle_client_process = Process(target=self.handle_client,args=(client_socket,))
            handle_client_process.start()
            client_socket.close()

    def start_response(self,status,headers):
        response_headers = 'HTTP/1.1 '+status+"\r\n"
        for header in headers:
            response_headers+='%s %s\r\n'%header

        self.response_headers = response_headers

    def handle_client(self,client_socket):
        request_data = client_socket.recv(1024)
        print('request data is'%request_data)
        requst_lines = request_data.splitlines()
        for line in requst_lines:
            print(line)

        requst_start_line = requst_lines[0]
        print('*'*10)
        print(requst_start_line.decode('utf-8'))
        file_name = re.match(r'\w+ +(/[^ ]*)',requst_start_line.decode('utf-8')).group(1)
        method = re.match(r'(\w)+ +/[^ ]*',requst_start_line.decode('utf-8')).group(1)
        print('filename = %s'%file_name)
        env = {
            'PATH_INFO':file_name,
            'METHOD':method
        }
        response_body = self.app(env,self.start_response)
        print('respnse body %s'%response_body)
        response = self.response_headers + '\r\n'+response_body
        print('response = %s'%response)
        client_socket.send(bytes(response,'utf-8'))
        client_socket.close()

    def bind(self,port):
        self.sSocket.bind(('',port))