Product Type depend install modules or configuration

Hello magentoerpusers,

A lot of months ago, to import products Mgn to OpenERP, I developed product.type,
This blueprint is change a little this function because there are some type of products not available in magentoerpconnect (configurable, grouped and bundle) (simple, virtual and download you can use correctly).

List options of product type depend configuration/modules installed. For example, if you are available nan_product_pack, you can manage products this option = grouped products. If not installed, not show this option.

Well: What options need/requiere for once type of product? This is the big question! ;)

Example of code product type as developed by Zoook:
http://bazaar.launchpad.net/~zikzak/zoook/zoook-module/revision/7