A clean, scalable, and modular Command-Line Interface (CLI) project built using Python. It demonstrates real-world OOP principles such as inheritance,abstraction, encapsulation, access specifiers, custom exceptions, custom iterators, decorators and magic methods, with a strong focus on project architecture and maintainability.

• Add new books with proper validations.

• Remove books by Title or ISBN.

• View all books in the store.

• Filter books by author, title, and price.

• Custom Exception Handling.

• Input validation and error messages.

• Designed with a modular structure for easy scaling and maintenance.

• Object-Oriented Programming (OOP)

• Abstract Base Classes (abc)

• Custom Decorators

• Custom Iterators (iter, next)

• Custom Exceptions

• Property Decorators (@property)

• Modular Code Organization

• CLI Input Validation

  book-store-manager/
    │
    ├── bookstore/             # Package containing all core modules
    │   ├── __init__.py         # Package initializer
    │   ├── models.py           # Book model with validation
    │   ├── store.py            # BookStore manager class
    │   ├── utils.py            # Decorators and utility functions
    │   └── exceptions.py       # Custom exceptions
    │
    ├── main.py                 # CLI runner script
    ├── .gitignore              # Files/directories to ignore in Git
    └── README.md               # Project documentation

git clone https://github.com/raghav-patidar1/book-store-manager.git

cd book-store-manager

python main.py