Website using python, html, css, jsprit

We are looking to launch an ecommerce site which will allow;

Business partner account
Business partner will upload content to show case their product
1) Admin creates Business partner account
2) Business Partners can upload content
3) Uploaded content will be validated by back-end team
4) Once back-end team approved content will be available in the main page
5) Business partner will define price for each content

Normal
1) Can search content, view content
2) Download content