Fastapi Tutorial Pdf -

@app.get("/items/{item_id}")def read_item(item_id: int, q: str = None):return {"item_id": item_id, "q": q} To run the application, use the following command: uvicorn main:app --reload

To get started with FastAPI, you need Python installed on your machine. It is highly recommended to use a virtual environment to manage your dependencies. fastapi tutorial pdf

FastAPI does not require a specific database, but it works seamlessly with SQLAlchemy, Tortoise ORM, and databases like PostgreSQL, MySQL, and SQLite. Using an asynchronous database driver is recommended to leverage FastAPI's performance. Summary and PDF Export Using an asynchronous database driver is recommended to

def common_parameters(q: str = None, skip: int = 0, limit: int = 10):return {"q": q, "skip": skip, "limit": limit} Now, install FastAPI and Uvicorn, an ASGI server

FastAPI is a modern, high-performance web framework for building APIs with Python 3.8+ based on standard Python type hints. Its speed, ease of use, and automatic documentation have made it a favorite among developers looking to move beyond traditional frameworks like Flask or Django for RESTful services.

Now, install FastAPI and Uvicorn, an ASGI server that will run your application: pip install fastapi uvicorn Creating Your First API Create a file named main.py and add the following code: from fastapi import FastAPI app = FastAPI() @app.get("/")def read_root():return {"Hello": "World"}

One of the most powerful features of FastAPI is its automatic interactive API documentation. Once your server is running, you can visit: