documents/dev/FastAPI.md

Table of Contents

Python FastAPI Server

Watch

sudo nodemon --ext 'py' --exec python3 fast-server.py sudo nodemon --watch fast-server.py --ext 'py' --exec python3 fast-server.py

Start/stop

  pid = str(os.getpid())
  print('PID', pid)
  with open('server.pid', 'w', encoding='utf-8') as f:
    f.write(pid)

#!/bin/zsh
kill -9 `cat ./server.pid`

Example

from typing import List
from fastapi import FastAPI, HTTPException
from fastapi.staticfiles import StaticFiles
from fastapi.responses import HTMLResponse
from fastapi.templating import Jinja2Templates
from pydantic import BaseModel

app = FastAPI()

# https://fastapi.tiangolo.com/tutorial/static-files/
app.mount("/static", StaticFiles(directory="Work"), name="static")

# https://fastapi.tiangolo.com/advanced/templates/
#templates = Jinja2Templates(directory="templates")

class Item(BaseModel):
    name: str
    description: str = None
    price: float
    tax: float = 0.0

# Database mockup
items_db = []

@app.post("/items/", response_model=Item)
async def create_item(item: Item):
    items_db.append(item)
    return item

@app.get("/")
async def read_root():
    html_content = """
    <html>
        <head>
            <title>Some HTML in here</title>
        </head>
        <body>
            <h1>Look ma! HTML!</h1>
        </body>
    </html>
    """
    return HTMLResponse(content=html_content, status_code=200)

@app.get("/test/")
async def test_path():
    return {"message": "Welcome to FastAPI"}

@app.get("/items/", response_model=List[Item])
async def read_items():
    return items_db


if __name__ == "__main__":
    import uvicorn
    uvicorn.run(app, host="127.0.0.1", port=80)