Fastapi Tutorial Pdf -

from fastapi import FastAPI

# Create a list to store our items items = [ {"id": 1, "name": "Item 1", "description": "This is item 1"}, {"id": 2, "name": "Item 2", "description": "This is item 2"}, ]

@app.get("/") def read_root(): return {"message": "Welcome to FastAPI"} This code creates a basic FastAPI application with a single endpoint at / .

# GET endpoint to retrieve all items @app.get("/items/") def read_items(): return items fastapi tutorial pdf

app = FastAPI()

Create a new file called main.py and add the following code:

To run the application, use the following command: from fastapi import FastAPI # Create a list

pip install fastapi

# POST endpoint to create a new item @app.post("/items/") def create_item(item: Item): items.append(item.dict()) return item

from fastapi import FastAPI from pydantic import BaseModel # PUT endpoint to update an existing item @app

To get started with FastAPI, you'll need to install it using pip:

In this tutorial, we've built a simple API using FastAPI to demonstrate its capabilities. FastAPI provides a lot of features out of the box, including support for asynchronous programming, automatic API documentation, and strong typing.

# PUT endpoint to update an existing item @app.put("/items/{item_id}") def update_item(item_id: int, item: Item): for existing_item in items: if existing_item["id"] == item_id: existing_item["name"] = item.name existing_item["description"] = item.description return existing_item return {"error": "Item not found"}

app = FastAPI()