
- Fix 'No module named app' error by adding project root to Python path - Ensure consistent database path between app and migrations - Update database configuration to work in both development and deployment - Set appropriate SQLite dialect configuration with render_as_batch - Update documentation with additional migration instructions - Fix imports order to comply with linting standards
3.6 KiB
3.6 KiB
Generic REST API Service
This is a FastAPI application that provides a simple generic REST API service with CRUD operations for an "Item" resource.
Features
- FastAPI-based RESTful API
- SQLite database with SQLAlchemy ORM
- Alembic for database migrations
- Pydantic for data validation
- Comprehensive CRUD operations
- Health check endpoint
- Automatic OpenAPI documentation
Project Structure
├── alembic/ # Database migration files
│ ├── versions/ # Migration version scripts
│ ├── env.py # Alembic environment configuration
│ └── script.py.mako # Migration script template
├── app/ # Application package
│ ├── api/ # API routes
│ │ ├── endpoints/ # API endpoint modules
│ │ ├── api.py # API router setup
│ │ └── deps.py # Dependency injection functions
│ ├── core/ # Core application modules
│ │ └── config.py # Application configuration
│ ├── crud/ # CRUD operation modules
│ │ ├── base.py # Base CRUD operations
│ │ └── crud_item.py # Item-specific CRUD operations
│ ├── db/ # Database modules
│ │ ├── base.py # Import all models
│ │ ├── base_class.py # Base model class
│ │ ├── init_db.py # Database initialization
│ │ └── session.py # DB session setup
│ ├── models/ # SQLAlchemy models
│ │ └── item.py # Item model
│ └── schemas/ # Pydantic schemas
│ └── item.py # Item schema
├── alembic.ini # Alembic configuration
├── main.py # Application entry point
└── requirements.txt # Project dependencies
Setup and Installation
- Clone the repository:
git clone <repository-url>
cd generic-rest-api-service
- Create and activate a virtual environment (optional, but recommended):
python -m venv venv
source venv/bin/activate # On Windows: venv\\Scripts\\activate
- Install dependencies:
pip install -r requirements.txt
- Run database migrations:
# Make sure you are in the project root directory
alembic upgrade head
# If you encounter any module import errors, you can also try:
PYTHONPATH=$PWD alembic upgrade head
- Start the application:
uvicorn main:app --reload
The application will be available at http://127.0.0.1:8000.
API Documentation
Once the application is running, you can access the automatically generated API documentation:
- Swagger UI: http://127.0.0.1:8000/docs
- ReDoc: http://127.0.0.1:8000/redoc
API Endpoints
Health Check
- GET
/api/v1/health
: Check if the service is healthy
Items
- GET
/api/v1/items
: List all items- Query parameters:
skip
: Number of items to skip (default: 0)limit
: Maximum number of items to return (default: 100)active_only
: If true, return only active items (default: false)
- Query parameters:
- POST
/api/v1/items
: Create a new item - GET
/api/v1/items/{id}
: Get a specific item by ID - PUT
/api/v1/items/{id}
: Update a specific item - DELETE
/api/v1/items/{id}
: Delete a specific item (returns 204 No Content)
Development
Running Tests
# Add test command here
Linting with Ruff
ruff check .
ruff format .