[Zope] Form-Through-Script

Mon Aug 13 17:14:44 EDT 2007

I'm trying to make a silk purse out of a pig's ear :)

I have a form where purchasers can deselect items they've added to their shopping cart. All the hidden fields have been numbered according to the items they *originally* selected. If they deselect an item, then it will probably necessitate a renumbering of all those hidden fields, since PayPal doesn't tolerate misnumbering: everything must be numbered "1" for all the hidden fields of the first product, "2" for the second, etc. If the customer selects 5 products and deletes the 3rd, then I need to renumber. I wrote a script that can do that. Now, I have to send the form to that script, with all its lovely hidden fields, then reproduce it somewhere so I can send it off to PP. That is, the form must return from the called script to a new page and deliver all the renumbered hidden fields. 

TIA,

Tony

-----Original Message-----
From: Tom Von Lahndorff <tom at modscape.com>
To: tonylabarbara at aol.com
Cc: lists at zopyx.com; zope at zope.org
Sent: Mon, 13 Aug 2007 4:59 pm
Subject: Re: [Zope] Form-Through-Script

can you describe what you're trying to do a little more clearly?

On Aug 13, 2007, at 4:29 PM, tonylabarbara at aol.com wrote:

Well it didn't like that, either:

?

Invalid request
The parameter, doc, was omitted from the request. 

again. But look here:

<td tal:define="docs here/CheckOutAfterEditStuff">

<form action="renumberTheCart(docs)" method="post" enctype="multipart/form-data">
<p metal:use-macro="here/CheckOutAfterEditStuff/macros/main" />

See, I have a definition of "docs", but it's not pointing to a "use-macro" widget. Must be the problem, but how do I do that?
TIA,
Tony

-----Original Message-----
From: Tom Von Lahndorff <tom at modscape.com>
To: tonylabarbara at aol.com
Cc: lists at zopyx.com; zope at zope.org
Sent: Mon, 13 Aug 2007 4:20 pm
Subject: Re: [Zope] Form-Through-Script

I think you want:

<form action="renumberTheCart(here/CheckOutAfterEditStuff)" method="post" enctype="multipart/form-data">

<td>

<form action=http://example.com/s/renumberTheCart" method="post">

<input type="hidden" name="doc" value="" tal:attributes="value here/CheckOutAfterEditStuff" />?

<p metal:use-macro="here/CheckOutAfterEditStuff/macros/main" />?

</td>

(my tal may be a bit off)

On Aug 13, 2007, at 4:09 PM, tonylabarbara at aol.com wrote:

No, it should work the way it is...that is a URL I passed. I changed it to an absolute URL just to double-check, and got basically the same error:

?

Invalid request
The parameter, doc, was omitted from the request. 

How do I pass the parameter, which in my case is quite long and stashed neatly away in a PT macro?

TIA,
Tony

-----Original Message-----
From: Andreas Jung <lists at zopyx.com>
To: tonylabarbara at aol.com; zope at zope.org
Sent: Mon, 13 Aug 2007 3:55 pm
Subject: Re: [Zope] Form-Through-Script

?
--On 13. August 2007 15:39:40 -0400 tonylabarbara at aol.com wrote:?
?
>?
> Hi;?
> I have a form that I need to send to a script and then send off to a URL?
> (PayPal). I need to process it through the script to renumber things for?
> PP. How do I do this? I imagine I add an element to the PT like so:?
>?
> <form action="renumberTheCart(here/CheckOutAfterEditStuff)" method="post">?
>?
> but I need to pass a parameter "doc", which, of course, is the document?
> I'm submitting. So I tried this:?
>?
> <form action="renumberTheCart(here/CheckOutAfterEditStuff)" method="post">?
> <p metal:use-macro="here/CheckOutAfterEditStuff/macros/main" />?
?
You might check out the basics about HTML forms first. The 'action' parameter is an URL and *not* some Python-like function call. You specify the destination URL inside the action attribute and pass the parameters as *hidden* form parameters to the URL - either using method GET or POST.?
?
You'll find more on forms in any HTML tutorial. Start from here:?
?
<http://www.w3schools.com/html/html_forms.asp>?
?
-aj?

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