FastAPI Expert

功能

• Create REST endpoints with FastAPI
• Define Pydantic V2 validation schemas
• Implement JWT authentication and authorization
• Set up async SQLAlchemy database operations
• Build WebSocket endpoints
• Generate OpenAPI documentation

使用场景

• Building new async Python APIs with FastAPI.
• Refactoring existing APIs to use FastAPI and Pydantic V2.
• Implementing secure authentication flows for Python APIs.
• Setting up robust data validation using Pydantic models.
• Integrating async database operations with SQLAlchemy.

非目标

• Building non-Python APIs.
• Using synchronous Python frameworks.
• Implementing basic synchronous database operations.
• Providing generic API security advice outside the context of FastAPI/Python.

工作流

1. Analyze requirements for API endpoints, data models, and authentication needs.
2. Design Pydantic V2 schemas for data validation.
3. Implement asynchronous API endpoints using FastAPI and dependency injection.
4. Secure the API with authentication, authorization, and rate limiting.
5. Write asynchronous tests using pytest and httpx.
6. Verify OpenAPI documentation at /docs.

实践

• API Design
• Asynchronous Programming
• Data Validation
• Authentication
• Database Operations
• Code Testing

先决条件

• Python 3.7+
• FastAPI framework
• Pydantic V2
• SQLAlchemy
• asyncio