QueryParameters.py

from fastapi import FastAPI,Query
from fastapi.middleware.cors import CORSMiddleware
import nest_asyncio
from pyngrok import ngrok
import uvicorn

app = FastAPI()

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

# Default Values
@app.get("/items/")
async def read_item(skip: int = 0, limit: int = 10):
    return {"skip" : skip, "limit" : limit}

# Optional Parameters
@app.get("/items/{item_id}")
async def read_item(item_id: str, q: str = None):
    if q:
        return {"item_id": item_id, "q": q}
    return {"item_id": item_id}

# Accessing Boolean multiple values (i.e. yes,no,on,off,true,false,0,1)
@app.get("/getitem/{item_id}")
async def read_item(item_id: str, q: str = None, short: bool = False):
    item = {"item_id": item_id}
    if q:
        item.update({"q": q})
    if not short:
        item.update(
            {"description": "This is an amazing item that has a long description"}
        )
    return item

#Multiple path and query parameters
@app.get("/users/{user_id}/items/{item_id}")
async def read_user_item(
    user_id: int, item_id: str, q: str = None, short: bool = False
):
    item = {"item_id": item_id, "owner_id": user_id}
    if q:
        item.update({"q": q})
    if not short:
        item.update(
            {"description": "This is an amazing item that has a long description"}
        )
    return item

ngrok_tunnel = ngrok.connect(8000)
print('Public URL:', ngrok_tunnel.public_url)
nest_asyncio.apply()
uvicorn.run(app, port=8000)