main.py

from datetime import date
from http import HTTPStatus

from dateutil.relativedelta import relativedelta
from fastapi import FastAPI
from starlette.middleware.trustedhost import TrustedHostMiddleware
from starlette.requests import Request
from starlette.responses import HTMLResponse, RedirectResponse
from starlette.staticfiles import StaticFiles
from starlette.templating import Jinja2Templates

import content
import settings

app = FastAPI(
    title='Yet One Business Card',
    description='It`s just personal business card',
    version='1.3.0',
    openapi_url=None,
    doc_url=None,
    redoc_url=None,
    swagger_ui_oauth2_redirect_url=None,
)
app.add_middleware(TrustedHostMiddleware, allowed_hosts=settings.ALLOWED_HOSTS)
app.mount(settings.STATIC_URL, StaticFiles(directory=settings.STATIC_DIRECTORY), name='static')
templates = Jinja2Templates(directory=settings.TEMPLATE_DIRECTORY)


@app.exception_handler(HTTPStatus.NOT_FOUND)
async def custom_404_handler(*_):
    return RedirectResponse('/')


@app.get('/', response_class=HTMLResponse)
async def index(request: Request):
    start_experience = content.data['start_experience']
    relative_experience = relativedelta(date.today(), date.fromisoformat(start_experience))
    return templates.TemplateResponse(
        name=settings.BASE_TEMPLATE_NAME,
        context={
            'request': request,
            'experience_years': relative_experience.years,
            'experience_months': relative_experience.months,
            **content.data
        }
    )