A shopping cart api designed in Python. The aim of this repo was to create a database wrapper using plain SQL and named tuples. Design patterns implemented include the singleton design pattern. Abstract Base Classes are used to create the DB interface. (SOLID principles.)

• Create a postgres database.
• Clone the repo.
• Ensure you are on the dev branch.
• Create a .env file from the .env_example.
• Run command python create_tables.py. This runs the code in the file create_tables.py which creates the necessary tables for the application to work.

• Run the command python run.py.

 * Serving Flask app "app" (lazy loading)
 * Environment: production
   WARNING: This is a development server. Do not use it in a production deployment.
   Use a production WSGI server instead.
 * Debug mode: on
 * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
 * Restarting with stat
 * Debugger is active!
 * Debugger PIN: 125-482-972

• Use postman to interact with application.

• FLask : Flask is a micro web framework written in Python.
• abc : abc This module provides the infrastructure for defining abstract base classes (ABCs) in Python.

• Nangai Arthur - Linkedin