Python FastAPI quickstart in uv

#python #uv #fastapi

uv init

uv add fastapi --extra standard

Create folder /app

Add file init.py inside /app
Add file main.py inside /app

Run fastapi

uv run fastapi dev

https://fastapi.tiangolo.com/tutorial/first-steps/

simple api with get and post

from typing import Union
from pydantic import BaseModel
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from datetime import datetime


app = FastAPI()

# Not safe! Add your own allowed domains
origins = [
    "*",
] 

app.add_middleware(
    CORSMiddleware,
    allow_origins=origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Define what you getting
class Stuff(BaseModel):
    content: str

# Example GET route for app
@app.get("/")
def read_root():
    return {"Message": "Hello World! FastAPI is working."}

# Example POST route for app
@app.post("/getdata/")
async def create_secret(payload: Stuff):
    with open('output_file.txt', 'a') as f:
        now = datetime.now()
        formatted_date = now.strftime("%B %d, %Y at %I:%M %p")
        f.write(formatted_date + ": " + payload.content)
        f.write('\n')
    return payload.content