e-commerce w/ external XML integration (load product data and submit orders)

need a functional shopping cart that is able to download product data and upload orders to and from [login to view URL] site will need to have an automated download of product data via XML feed and submission of previous orders - both will be completed via CRON sample & instructions available at [login to view URL] XML integration guide available at [login to view URL] preference given to anyone who has had previous experience working with techdata specifically, followed by anyone with experience working with a XML synchronization for e-commerce solution must be deployed using either PHP or Python/Django design is irrelevant for the time being - please include name of shopping cart you/your team would use to complete the project