Pdf — Fastapi Tutorial

class Item(BaseModel):name: strdescription: str = Noneprice: floattax: float = None @app.post("/items/")def create_item(item: Item):return item

python -m venv venvsource venv/bin/activate # On Windows use venv\Scripts\activate fastapi tutorial pdf

This tutorial serves as a comprehensive guide for those looking to master FastAPI, whether you are reading this online or saving it as a PDF for offline study. Introduction to FastAPI Request Body and Pydantic Models FastAPI does not

@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 but it works seamlessly with SQLAlchemy

Query Parameters: Used to filter or modify the request. In the read_item function, q is an optional query parameter because it has a default value of None. Request Body and Pydantic Models

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