Customizing a simple Web framework

From Wsgiref.simple_server import Make_server

def book (request): #视图函数
return [b '
def web (Request):
return [b '

def routers ():
Urlpatterns = (
('/book ', book),       #url map   
('/web ', web),
)
return Urlpa Tterns

def application (environ,start_response):  
Start_response ("OK", [("Content-type", ' text/html ')])
path = environ[ "Path_info"]
Urlpatterns = routers ()
Func = None
for item in Urlpatterns:
if item[0] = = Path:
Func = item[1]
break
if Func:
retur n func (environ)
else:
return [b "

httpd = Make_server (' 127.0.0.1 ', 9000,application)
Print ("Serving HTTP on port 9000 ....")
Httpd.serve_forever ()

Customizing a simple Web framework