Cookie: Not understanding again

mosscliffe at
Sat Jun 2 10:32:06 CEST 2007

On 2 Jun, 01:13, David Wahler <dwah... at> wrote:
> On Jun 1, 3:49 pm, mosscliffe < at> wrote:> I have the following code, which I thought would create a cookie, if
> > one did not exist and on the html form being sent to the server, it
> > would be availabe for interrogation, when the script is run a second
> > time.
> > It seems to me there is something basic missing in that I should need
> > to tell the server I am sending a cookie, but all the docs I have read
> > imply it is done automatically, if one creates a 'Cookie.SimpleCookie'
> > I know my understanding is poor of web server logic, but if anyone can
> > help, I will be most grateful.
> > This may be more to do with Web Server behaviour than python
> > programming, but surely there is a way of doing this in python.
> <snip code>

Thanks for your help.

I spent all last night trying to get it to work, but I can not work
out how to force my cookie into the response header.  The most
annoying part is on one occasion it did and the cookie sat there until
I killed the session.  By the time I discovered 'pageinfo' add-in for
firefox, the cookie had gone.

I have read a lot about cookies, but the grey matter is very slow at
absorbing nowadays.  I was wondering if I should add the 'path=/' to
my cookie, as I am using a host that has numbers for the IP address
and my domain name when used, is via a frame.  Although the python bit
to display the contents (when it did work), did not show any value for

Could I create the response header in python and get it executed as
part of my form submission ?

Obviously, still struggling.


> The cookie values have to be sent to the browser as part of the
> response headers. (Modifying the Cookie object doesn't do this for you
> -- the Cookie instance just acts as a container.) In other words,
> something like this:
> c = Cookie.SimpleCookie()
> c.load(os.environ['HTTP_COOKIE'])
> # ...modify cookie object...
> print "Content-Type: text/html"
> print c
> print
> # send the HTML text
> -- David

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