[ic] how to find weight for items in cart for shipping criteria

[Akash Shah]

hi,

IC 5.2.0  - foundation based catalog

I'm trying to add an offset to my shipping calculation. The reason to add 
the offset is to calcualte the weight for the shipping box. The reason to do 
this is because there are some items which ship for free and so have weight 
0 and I don't want to add the offset to them. Here is the code I have in my 
shipping.asc

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
USPSROLLED:	USPS Priority Mail
        criteria        <<EOF
[perl]
	my $total = 0;
	my $tmp_weight = 0;
	foreach my $item (@$Items) {
	        $tmp_weight =  $Tag->field('weight', $item->{code} );
		next unless $tmp_weight > 0;
		$total += $item->{quantity} * $tmp_weight ;
	}
	if ($total > 0) {
	  $total +=  1.0;
	}
	return $total;
[/perl]
EOF
	min	0
	max	0
	cost	e Free Shipping!

        min     0
        max     5
	cost	u
	table	USPSPriority
	geo	zip
	default_geo	xxxxx
	adder	1

	min	5
	max	9999999
	cost	e Error!
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

The issue here is that, I cannot access the weight for each individual item. 
It is not stored in the cart along with each item and trying to call [data] 
or [field] is throwing errors.

/cgi-bin/xxx/admin/test_code.html Safe: no access for database products at 
/usr/local/interchange-5.2.0/lib/Vend/Data.pm line 1036.

Any suggestions on how to get weight of each item in the code segment above 
?

Thx
-Akash

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