Python Backend Project

A well-structured Python backend application using Flask.

Project Structure

.
├── app.py                  # Main application entry point
├── requirements.txt        # Python dependencies
├── .env.example           # Example environment variables
├── .gitignore             # Git ignore file
├── README.md              # This file
├── config/                # Configuration files
│   ├── __init__.py
│   └── config.py          # Application configuration
├── src/                   # Source code
│   ├── __init__.py
│   ├── api/               # API routes
│   │   ├── __init__.py
│   │   └── routes.py      # API endpoints
│   ├── models/            # Data models
│   │   ├── __init__.py
│   │   └── example_model.py
│   ├── services/          # Business logic
│   │   ├── __init__.py
│   │   └── example_service.py
│   └── utils/             # Utility functions
│       ├── __init__.py
│       └── helpers.py
├── static/                # Static files
│   ├── css/              # Stylesheets
│   ├── js/               # JavaScript files
│   └── images/           # Images
├── templates/             # HTML templates
└── tests/                # Test files
    ├── __init__.py
    └── test_api.py

Setup

1. Create a virtual environment:

   python -m venv venv

2. Activate the virtual environment:

   • Windows: venv\Scripts\activate
   • Linux/Mac: source venv/bin/activate

3. Install dependencies:

   pip install -r requirements.txt

4. Copy .env.example to .env and configure your environment variables:

   cp .env.example .env

5. Run the application:

   python app.py

API Endpoints

• GET / - Welcome message
• GET /health - Health check
• GET /api/example - Get all examples
• POST /api/example - Create new example
• GET /api/example/<id> - Get example by ID

Testing

Run tests with pytest:

pytest tests/

Development

The project follows a modular structure:

• api/: Contains all API route definitions
• models/: Data models and schemas
• services/: Business logic layer
• utils/: Helper functions and utilities
• config/: Configuration management
• static/: Static assets (CSS, JS, images)
• templates/: HTML templates for rendering