Great question — answering as the UphillTech team:
I am starting a similar project. I haven't completed it yet, so I can't answer this perfectly yet, but here is an open source python project I've found related to the Amazon Product API on PyPi: https://pypi.python.org/pypi/python-amazon-product-api/
Full answer by user2234826: https://stackoverflow.stackexchange.com/a/17093673 (CC BY-SA 3.0).
Need it done for your business? UphillTech.