Python web.py redirect using Jinja2

Question

I have the classes in main module

__init__.py

import web
from web.contrib.template import render_jinja

urls = (
  '/', 'main.views.login',
  '/login', 'main.views.login',
  '/feature', 'main.views.feature'
)
app = web.application(urls, globals())
render = render_jinja(
        'main/templates',
        encoding='utf-8',
    )

views.py

from main import web, render
class login:
    def GET(self):
        return render.login(title="Login")

    def POST(self):
        data = web.input();
        userName = data['username']
        password = data['password']
        if((userName == 'viv') and (password == 'viv')):
            raise web.seeother('/feature?user=' + userName)
        return render.login(error="Login Failed !!!")
class feature:
    def GET(self):
        print(web.input())
        return render.feature()

In login.POST , the form data is compared and if successful i need to redirect to feature.html which has

<div>Hello {{ user }}</div>

Using JINJA2 templating with web.py how can i redirect to feature.html with parameter 'user'. The above code works but 'user' is send as URL parameter .Basically i want to try web.py redirect with JINJA2 templating.Please help.

pbuck · Accepted Answer · 2017-01-31 16:21:01Z

1

You need to pass your user information into the render.feature() call.

class feature:
    def GET(self):
        return render.feature(user=web.input().user)

This works because web.input() will get the results of POST (when called within class login, and gets the URL parameters with a GET (when called within class feature.) So your redirect to /feature is working fine, but you need to pass the information into the template renderer so you can print the results!

answered Jan 31, 2017 at 16:21

pbuck

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2 Comments

Vivek Over a year ago

Is there any other way to pass parameter while redirecting other than appending to URL ?

pbuck Over a year ago

Have login.POST "create a session" by storing session_id and logged in user information into a database. Drop the session_id as a cookie. Then, in the feature.GET, read the cookie, do a database read converting session_id into your logged-in user's information.

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