path_parameter.py

from enum import Enum
from fastapi import FastAPI
import uvicorn

app = FastAPI()


@app.get("/")
async def root():
    return {"message": "Hello World"}


@app.get("/items/{item_id}")
async def read_item(item_id):
    return {"item_id": item_id}

# automatic request parsing


@app.get("/items/{item_id}")
async def read_item(item_id: int):
    return {"item_id": item_id}

# path parameters


@app.get("/users/me")
async def read_user_me():
    return {"user_id": "the current user"}


@app.get("/users/{user_id}")
async def read_user(user_id: str):
    return {"user_id": user_id}

# Predefined values


class ModelName(str, Enum):
    alexnet = "alexnet"
    resnet = "resnet"
    lenet = "lenet"


@app.get("/models/{model_name}")
async def get_model(model_name: ModelName):
    if model_name is ModelName.alexnet:
        return {"model_name": model_name, "message": "Deep Learning FTW!"}

    if model_name.value == "lenet":
        return {"model_name": model_name, "message": "LeCNN all the images"}

    return {"model_name": model_name, "message": "Have some residuals"}

# Path convertor


@app.get("/files/{file_path:path}")
async def read_file(file_path: str):
    return {"file_path": file_path}





if __name__ == '__main__':
    uvicorn.run(app, port=8000, host='127.0.0.1')