This is a Selenium + Python + ChromeDriver application that takes your Amazon ASIN product identifier as its first and only argument, visits each site in turn, scrapes the data and presents your cross-site rankings in the Selenium window at the end.
Install with sudo ./install.sh
Activate environment with source venv/bin/activate
Run with python amazon-bestseller.py <ASIN>
This script requires ChromeDriver, which can be downloaded from https://chromedriver.chromium.org/downloads
Get the one that matches your current Chrome install and put it in ~/.local/bin/
For example:
(venv) kf106@media-pc:~/amazon-bestseller$ python amazon-bestseller.py B07W5HS8XZ