Problem checking an existing browser cookie

Nik the Greek nikos.the.gr33k at gmail.com
Tue Aug 31 10:02:33 CEST 2010


On 30 Αύγ, 20:48, Rami Chowdhury <rami.chowdh... at merton.oxon.org>
wrote:
> On Mon, Aug 30, 2010 at 23:36, Nik the Greek <nikos.the.gr... at gmail.com> wrote:
>
>
>
>
>
>
>
>
>
> > # initialize cookie
> > cookie = SimpleCookie()
> > cookie.load( os.environ.get('HTTP_COOKIE', '') )
> > visitor = cookie.get('visitor')
>
> > This statement
>
> > if (visitor.value != 'nikos') and re.search( r'(msn|yandex|13448|
> > spider|crawl)', host ) is None:
>
> > produces the following error:
>
> >  /home/webville/public_html/cgi-bin/counter.py
> >   93 # do not increment the counter if a Cookie is set to the
> > visitors browser already
> >   94 #
> > =========================================================================== ======================================
> >   95 if (visitor.value != 'nikos') and re.search( r'(msn|yandex|13448|
> > spider|crawl)', host ) is None:
> >   96
> >   97         print visitor
> > visitor = None, visitor.value undefined, re = <module 're' from '/usr/
> > lib64/python2.4/re.pyc'>, re.search = <function search>, host =
> > '178-128-217.dynamic.cyta.gr', builtin None = None
>
> > Why visitor.value is undefined?
>
> Because, as the traceback tells you, visitor is None. As you said, the
> cookie is not recognized. Try inserting the following line at the top
> of your script:
>
> print "Content-type:text/html\r\n\r\n", os.environ.get('HTTP_COOKIE',
> 'NO COOKIE DATA')
>
> That should give you the value of the cookie, which might help you
> debug why it is not being loaded.
>
> --
> Rami Chowdhury
> "Never assume malice when stupidity will suffice." -- Hanlon's Razor
> 408-597-7068 (US) / 07875-841-046 (UK) / 0189-245544 (BD)

Unfortunately it produces an Internal Server Error :(



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