----- Original Message ----- From: Brian K. Holdsworth <bhold@awod.com>

I am trying to do the following:

<dtml-let x:int="REQUEST.get('prod_config')" item="_[REQUEST.get('prod_id')]" price="item.price_list[x]"> <INPUT type="hidden" name="chargetotal" value="<dtml-var price>"> </dtml-let>

"dtml-let" doesn't understand type annotations, so you are setting a variable called 'x:int', which isn't what you want. You need to do the integer conversion in Python, like so: <dtml-let x="_.int(REQUEST.get('prod_config')" ...> See the DTML reference guide at zope.org for more useful methods of "_". Cheers, Evan @ digicool & 4-am

Other people answered your conversion question, I just wanted to point out that the ':int' notation is meant for use in qualifying HTTP POSTED data, like that coming from a form. For example: <form> <input name="bob:int"> </form> This will cause ZPublisher to try and turn the value of this element into an integer. This is the only place the ':int' notation makes any sense. In your example, you have confused this notation with that of the let tag. -Michel "Brian K. Holdsworth" wrote:

I am trying to do the following:

<dtml-let x:int="REQUEST.get('prod_config')" item="_[REQUEST.get('prod_id')]" price="item.price_list[x]"> <INPUT type="hidden" name="chargetotal" value="<dtml-var price>"> </dtml-let>

The prod_config variable is a number (returned as a string) from a SELECT list. The prod_id variable is the id of an object in the same folder as this method that has a price_list attribute. price_list is a list of strings representing prices.

This results in a "Name Error" where Zope cannot find "x". If I change line 3 to this:

price="item.price_list['x']">

it fixes the Name Error, but then I get a "Sequence Index must be an integer" error on price_list['x']. I would have thought the use of "x:int" in my <dtml-let> would take care of this issue. Seems I can't win!

Does anyone know the correct way to do this lookup?

Best Regards, Brian Holdsworth

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