#!/usr/bin/env python
"""
This trivial WSGI app saves your name as a cookie.
@author: Stephen Pascoe
@requires: paste
"""
from paste.request import get_cookie_dict
from paste.wsgiwrappers import WSGIResponse, WSGIRequest
def cookieFactory(global_config,**local_conf):
return cookieEG()
class cookieEG(object):
"""
We have 3 cases for which this request might be invoked:
1. GET for the first time (no cookie set)
2. POST in response to filling in the form
3. GET after the cookie is set
"""
def __init__(self):
pass
def __call__(self, environ, start_response):
self.request = WSGIRequest(environ)
if self.request.POST:
self.name = self.request.POST['hello_name']
else:
try:
self.name = self.request.cookies['hello_name']
except KeyError:
self.name = None
if self.name:
iter = self.__say()
else:
iter = self.__ask()
response = WSGIResponse(mimetype='text/html')
if self.name: response.set_cookie('hello_name', self.name)
response(self.request.environ, start_response)
return iter
def __say(self):
yield """
Hello %s
""" % self.name
def __ask(self):
yield """
Hello
"""