Cookie: Not understanding again

[mosscliffe]

On 2 Jun, 11:50, David Wahler <dwah... at gmail.com> wrote:
> On Jun 2, 9:32 am, mosscliffe <mcl.off... at googlemail.com> wrote:
>
> > David,
>
> > Thanks for your help.
>
> > I spent all last night trying to get it to work, but I can not work
> > out how to force mycookieinto the response header.  The most
> > annoying part is on one occasion it did and thecookiesat there until
> > I killed the session.  By the time I discovered 'pageinfo' add-in for
> > firefox, thecookiehad gone.
>
> Your CGI script needs to produce output of the form:
>
>     Header-1: ...
>     Header-2: ...
>
>     response data goes here...
>
> Each line before the blank line is an HTTP header. To send cookies to
> the browser, you need to generate a header of the form:
>
>     Set-Cookie: name=value
>
> Printing the SimpleCookie object does this for you.
>
> > 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
> > mycookie, 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
> > 'path'.
>
> If you specify a path attribute, then the browser will only send thecookieon requests that begin with that path. If you don't, it
> defaults to the URL of the page that generates thecookie. For a
> single test script like this, there's no need to bother with it, but
> you can set it like this:
>
> >>>cookie["someCookieName"]["path"] = "/path/to/whatever"
> > Could I create the response header in python and get it executed as
> > part of my form submission ?
>
> > Obviously, still struggling.
>
> Here's a simple, complete example to get you started, based loosely on
> your original code:
>
> ######################################################################
>
> importCookie, os
> import cgitb; cgitb.enable()
>
> def getCookie():
>     c =Cookie.SimpleCookie()
>     if 'HTTP_COOKIE' in os.environ:
>         c.load(os.environ['HTTP_COOKIE'])
>
>     if os.environ['QUERY_STRING'] == 'reset' or 'mysession' not in c:
>         c['mysession'] = 0
>     else:
>         c['mysession'] = int(c['mysession'].value) + 1
>
>     return c
>
> if __name__ == '__main__':
>
>     print "Content-type: text/html"
>     myCookie = getCookie()
>     print myCookie
>
>     if os.environ['QUERY_STRING'] == 'reset':
>         print "Status: 302 Moved"
>         print "Location:", os.environ['SCRIPT_NAME']
>         print
>     else:
>         print
>         print 'Current Value: ', myCookie['mysession'].value
>         print '<br><a href="?reset">Reset Counter</a>'
>
> ######################################################################
>
> Hope this helps!
>
> -- David

David,

Thank you very much for your detailed reply.  As soon as I get a
chance to try it all out, I will let you know how I get on.

Thanks again

Richard