Python FastAPI ile REST API

Kurulum

pip install fastapi uvicorn[standard] pydantic

Temel Uygulama

from fastapi import FastAPI, HTTPException
from pydantic import BaseModel

app = FastAPI(title='Ornek API')

class Kullanici(BaseModel):
    id: int
    email: str
    ad: str
    aktif: bool = True

db: dict[int, Kullanici] = {}

@app.get('/kullanicilar', response_model=list[Kullanici])
async def liste():
    return list(db.values())

@app.get('/kullanicilar/{id}', response_model=Kullanici)
async def getir(id: int):
    if id not in db:
        raise HTTPException(404, 'Bulunamadi')
    return db[id]

@app.post('/kullanicilar', status_code=201)
async def olustur(k: Kullanici):
    db[k.id] = k
    return k

@app.delete('/kullanicilar/{id}', status_code=204)
async def sil(id: int):
    if id not in db: raise HTTPException(404)
    del db[id]

Calistirma

uvicorn main:app --reload
# Docs: http://localhost:8000/docs

FastAPI otomatik OpenAPI dokumantasyonu sunar.