[Zope] Problems with External Script

[Thomas B. Passin]

[Ben Ocean]

>
> Okay, gotta be close by now :/
> Here's my script:
>
> import string
>
> def myaffiliateprogram(REQUEST,RESPONSE):
>   user_id, banner_id, page =
> REQUEST['user_id'],REQUEST['banner_id'],REQUEST['page']
>   redir =
>
"http://www.myaffiliateprogram.com/u/%(user_id)s/t.asp?id=%(banner_id)s&p=%(
page)s"
> % locals()
> # location=RESPONSE.redirect("%(redir)s\n % locals()")
> # location-RESPONSE.redirect("http://thewebsons.com")
> # location=redirect("http://thewebsons.com")
>   location: redirect("http://thewebsons.com")
>
> All of those options (including the ones commented out) return a bad
server
> request (Apache error #400).
>

This isn't proper python, so I don't see how it would have worked at all.
If you want to interpolate variables into a string, you have to use "%s",
not "%(something else)s".  If that's not what you are trying to do, the
expression % locals() isn't valid.  Also, do you mean

    location= redirect("http://thewebsons.com")

?

Remember, your external method has to ***return something*** to Zope - I
don't think you want to be calling a redirect from this external method.

You probably want to accomplish something like this:

in Zope:

<dtml-call "RESPONSE.redirect(myaffilitateprogram(REQUEST))">

In the external method, skipping the banner stuff:

 def myaffiliateprogram(REQUEST):
    # Do the banner stuff with the REQUEST
    # Do whatever it takes to figure out where you want to go to...
    # if that place is http://thewebsons.com, then end with:

    location="http://thewebsons.com"
    return location

Assuming that RESPONSE.redirect() is the correct syntax (I've never used it
myself), this will cause a redirect() method call on the RESPONSE object
from within the dtml page, which would be what you want.  The value of the
argument for the redirect will be whatever the external method returned.

Generally you want your external methods to return something, which Zope
then uses in some dtml to do something.

Cheers,

Tom P