Python Script for Regular Excel Download

I need a Python script that can regularly download an Excel file from a website, authenticate using credentials, and save the data into a PostgreSQL database. This script needs to run every 1 minute.

Requirements:
- The script should be able to download an Excel file
- The site requires authentication using credentials
- The data from the Excel file should be saved into a PostgreSQL database
- The script must be designed to run every 1 minute

Ideal Skills:
- Proficiency in Python
- Experience with web scraping
- Knowledge of working with PostgreSQL
- Understanding of automation and scheduling processes in Python.