#!/usr/bin/python
"""A session demonstration app."""
import calendar
from datetime import datetime
import sys
import cherrypy
from cherrypy.lib import sessions
from cherrypy._cpcompat import copyitems
page = """
Session Demo
Reload this page. The session ID should not change from one reload to the next
Index | Expire | Regenerate
| Session ID: | %(sessionid)s %(changemsg)s |
|---|
| Request Cookie | %(reqcookie)s |
|---|
| Response Cookie | %(respcookie)s |
|---|
| Session Data | %(sessiondata)s |
|---|
| Server Time | %(servertime)s (Unix time: %(serverunixtime)s) |
|---|
| Browser Time | |
|---|
| Cherrypy Version: | %(cpversion)s |
|---|
| Python Version: | %(pyversion)s |
|---|
"""
class Root(object):
def page(self):
changemsg = []
if cherrypy.session.id != cherrypy.session.originalid:
if cherrypy.session.originalid is None:
changemsg.append('Created new session because no session id was given.')
if cherrypy.session.missing:
changemsg.append('Created new session due to missing (expired or malicious) session.')
if cherrypy.session.regenerated:
changemsg.append('Application generated a new session.')
try:
expires = cherrypy.response.cookie['session_id']['expires']
except KeyError:
expires = ''
return page % {
'sessionid': cherrypy.session.id,
'changemsg': '
'.join(changemsg),
'respcookie': cherrypy.response.cookie.output(),
'reqcookie': cherrypy.request.cookie.output(),
'sessiondata': copyitems(cherrypy.session),
'servertime': datetime.utcnow().strftime("%Y/%m/%d %H:%M") + " UTC",
'serverunixtime': calendar.timegm(datetime.utcnow().timetuple()),
'cpversion': cherrypy.__version__,
'pyversion': sys.version,
'expires': expires,
}
def index(self):
# Must modify data or the session will not be saved.
cherrypy.session['color'] = 'green'
return self.page()
index.exposed = True
def expire(self):
sessions.expire()
return self.page()
expire.exposed = True
def regen(self):
cherrypy.session.regenerate()
# Must modify data or the session will not be saved.
cherrypy.session['color'] = 'yellow'
return self.page()
regen.exposed = True
if __name__ == '__main__':
cherrypy.config.update({
#'environment': 'production',
'log.screen': True,
'tools.sessions.on': True,
})
cherrypy.quickstart(Root())