Library Management System (LMS)

A professional CLI-based library system built using Test-Driven Development (TDD) and Layered Architecture.

🚀 Features

• Books: Add, search (by title/author), and track availability.
• Users: Secure registration with bcrypt password hashing.
• Loans: Borrow and return books with full referential integrity.
• Librarian Tools: Inventory status and user management.

🛠 Tech Stack

• Language: Python 3.14+
• Database: SQLite3 (with Foreign Keys & Joins)
• Security: Bcrypt for password encryption
• Testing: Python unittest framework

🚦 Getting Started

Prerequisites

• Python 3.14+
• pip

Installation

1. Clone the repository.
2. Create and activate a virtual environment:

   python -m venv .venv
   source .venv/bin/activate

3. Install dependencies:

   pip install -r requirements.txt

4. Running the App

   python src/lms/main.py

5. Running Tests

   export PYTHONPATH=$PYTHONPATH:$(pwd)/src
   python -m unittest discover tests