hi Fran,
I posted an example for using cookies within standard Python and GAE
here:
http://groups.google.com/group/web2py/browse_thread/thread/519fca71f781aef5
The relevant part is:
__________________________________________________________________
import urllib
import urllib2
urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
def download(url, data=None, user_agent='Mozilla/5.0'):
data = data if data is None else urllib.urlencode(data)
headers = {'User-agent': user_agent}
request = urllib2.Request(url, data, headers)
return urllib2.urlopen(request).read()
__________________________________________________________________
I agree it would be good to make fetch() more useful by supporting
sessions.
Richard
On Feb 11, 7:00 am, Fran <francisb...@googlemail.com> wrote:
> I want to add support for sessions to fetch() from tools.py.
> This is so that I can call protected KML feeds from inside the Sahana
> Map Viewing Client.
> I think that what I need to do to achieve this is to forward the
> session cookie from request to the urllib2() call (yes, it seems that
> urllib() is insufficient for this).
>
> I'm really struggling to get this working though.
>
> I've tried adding the header manually:
> import urllib2
> cookie = response.session_id_name + "=" +
> response.session_id
> txheaders = {'Cookie' : cookie}
> req = urllib2.Request(url, None, txheaders)
> return urllib2.urlopen(req).read()
>
> But this seems to hang Web2Py completely!
> (Strangely it works fine when I direct at an unprotected external KML
> feed!)
>
> I also tried using cookielib:
> cookie = request.cookies[response.session_id_name]
> jar = cookielib.CookieJar()
> jar.set_cookie(cookie)
> handler = urllib2.HTTPCookieProcessor(jar)
> opener = urllib2.build_opener(handler)
> urllib2.install_opener(opener)
> return urllib2.urlopen(url).read()
>
> However this fails because it wants cookie.domain to be defined (I
> tried defining it as "" but this fails too):
>
> import Cookie, cookielib
> cookie = Cookie.SimpleCookie()
> cookie[response.session_id_name] = response.session_id
> cookie['path'] = "/"
> cookie['domain'] = ""
>
> This seems wrong anyway, as Set-Cookie is for Server->Client & I want
> Client->Server
>
> Any/All pointers very gratefully received :)
>
> Fran.
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