main.py

from fastapi import FastAPI
from fastapi.staticfiles import StaticFiles
from starlette.middleware.cors import CORSMiddleware
from fastapi.testclient import TestClient
from pydantic import AnyHttpUrl, BaseSettings, EmailStr, validator
from typing import List, Optional, Union
from fastapi import APIRouter
import os

import algo


class Settings(BaseSettings):
    API_V1_STR: str = "/api/v1"

    # BACKEND_CORS_ORIGINS is a JSON-formatted list of origins
    BACKEND_CORS_ORIGINS: List[AnyHttpUrl] = []

    @validator("BACKEND_CORS_ORIGINS", pre=True)
    def assemble_cors_origins(cls, v: Union[str, List[str]]) -> Union[List[str], str]:
        if isinstance(v, str) and not v.startswith("["):
            return [i.strip() for i in v.split(",")]
        elif isinstance(v, (list, str)):
            return v
        raise ValueError(v)

    PROJECT_NAME: str = "Algo-Api-Backend"
    home_dir = os.path.abspath(
        os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
    )

    USERS_OPEN_REGISTRATION: bool = True

    class Config:
        case_sensitive = True


settings = Settings()


app = FastAPI(
    title=settings.PROJECT_NAME, openapi_url=f"{settings.API_V1_STR}/openapi.json"
)

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

api_router = APIRouter()

api_router.include_router(algo.router, prefix="/algo", tags=["algo"])


app.include_router(api_router, prefix=settings.API_V1_STR)


if __name__ == "__main__":
    # Use this for debugging purposes only
    import uvicorn

    uvicorn.run(app, host="0.0.0.0", port=8001, log_level="debug")