What is FastAPI serialization and how does it work?

What is FastAPI serialization and how does it work?

FastAPI serialization refers to the process of converting Python objects into JSON format and vice versa. It allows for easy data exchange between the server and clients.

Can you give me an example of how to serialize a Pydantic model in FastAPI?

Sure! You can define a Pydantic model and use it in your FastAPI endpoint. For example:

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()

class Item(BaseModel):
    name: str
    price: float

@app.post('/items/')
async def create_item(item: Item):
    return item

This will automatically serialize the Item model to JSON when you return it.

What are the benefits of using FastAPI for serialization?

FastAPI provides automatic data validation, serialization, and documentation generation. It also supports asynchronous programming, making it efficient for handling multiple requests.

Are there any limitations to FastAPI serialization?

One limitation is that complex data types may require custom serialization logic. Additionally, if the model is too large, it may impact performance.