Fastapi Tutorial Pdf 【NEWEST】

FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.7+ based on standard Python type hints. In this tutorial, we'll explore the basics of FastAPI and build a simple API to demonstrate its capabilities.

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

# Define a Pydantic model for our data class Item(BaseModel): id: int name: str description: str

# DELETE endpoint to delete an item @app.delete("/items/{item_id}") def delete_item(item_id: int): for item in items: if item["id"] == item_id: items.remove(item) return {"message": "Item deleted"} return {"error": "Item not found"} This code defines a few endpoints for creating, reading, updating, and deleting items. FastAPI is a modern, fast (high-performance), web framework

from fastapi import FastAPI

To run the application, use the following command: # POST endpoint to create a new item @app

# 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"}