beaker_sample.py

# -*- coding: utf-8 -*-
# $ pip install beaker flask redis git+git://github.com/bbangert/beaker_extensions.git

from flask import Flask, session
from flask.sessions import SessionInterface
from beaker.middleware import SessionMiddleware


session_opts = {
    'session.type': 'redis',
    'session.url': '127.0.0.1:6379',
}


class BeakerSessionInterface(SessionInterface):
    def open_session(self, app, request):
        return request.environ['beaker.session']

    def save_session(self, app, session, response):
        session.save()


app = Flask(__name__)

@app.route('/')
def index():
    if not session.has_key('value'):
        session['value'] = 'Save in session'
        return "Session value set."
    else:
        return session['value']


if __name__ == '__main__':
    app.wsgi_app = SessionMiddleware(app.wsgi_app, session_opts)
    app.session_interface = BeakerSessionInterface()
    app.run(debug=True)