Re: [tornado] Login page with Tornado

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Roey Berman

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Jan 11, 2013, 9:03:05 AM1/11/13

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The problem is you have the form's action set to / instead of /login/

On Jan 11, 2013 3:57 PM, "Amicns" <ansuman...@gmail.com> wrote:

Hi

I searched for how to create a login page in tornado and I found following in the stackoverflow.

http://stackoverflow.com/questions/6514783/tornadopython-login-examples-tutorials

I tried to execute the code by I am not able to set the route properly.

I am using following for the login.html

<html>
<head>

</head>
<body>
<form method="post" action="/" name="aform" target="_top">
Login:<input type="text" name="login">

Password:<input type="password" name="password">
<input type="submit" value="Enter">

</form>
</body>
</html>

I am using following for the tornado server file

import os

import base64
import uuid
import tornado.web
import tornado.httpserver
import tornado.ioloop

ROOT = os.path.dirname(os.path.abspath(__file__)) + os.sep


class BaseHandler(tornado.web.RequestHandler):

def get_login_url(self):
return "/login"

def get_current_user(self):

user_json = self.get_secure_cookie("user")
if user_json:
return tornado.escape.json_decode(user_json)
else:
return None


class LoginHandler(BaseHandler):

def get(self):
self.render("login.html", next=self.get_argument("next","/"))

def post(self):
username = self.get_argument("login", "")
password = self.get_argument("password", "")
print username

print password
if True:
self.redirect(self.get_argument("next", u"/"))
else:
self.redirect("/login")

def set_current_user(self, user):
if user:
self.set_secure_cookie("user", tornado.escape.json_encode(user))
else:
self.clear_cookie("user")

class LogoutHandler(BaseHandler):

def get(self):
self.clear_cookie("user")
self.redirect(u"/login")

class Index(BaseHandler):

def get(self):
self.write("hello world")

if __name__ == "__main__":

app = tornado.web.Application(

handlers=[
(r'/', Index),
(r'/login/', LoginHandler),
(r'/logout/', LogoutHandler),
],

cookie_secret = base64.b64encode(uuid.uuid4().bytes + uuid.uuid4().bytes),
template_path = ROOT + 'template',
static_path = ROOT + 'static'

)
http_server = tornado.httpserver.HTTPServer(app)
http_server.listen(8888)
tornado.ioloop.IOLoop.instance().start()


Thanks for any help.

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