Files
blog.pyaqa.ru/app/main.py
Sergey Vanyushkin e2802d83f2 feat(ui): add web UI with Jinja2 templates and Gitea themes
- Add Jinja2 templates with data-testid attributes for testing
- Create light/dark themes based on Gitea color scheme
- Add theme switching with localStorage persistence
- Create base CSS, components, and layout styles
- Add mock web routes for UI demonstration
- Register web router and static files in main.py
- Add data-testid requirements to AGENTS.md
- Install jinja2 dependency
2026-05-02 14:45:51 +03:00

128 lines
3.2 KiB
Python

"""Application entry point with DDD architecture.
This module is the main entry point for the FastAPI application.
Configures DI container, middleware, and routes following DDD principles.
"""
from collections.abc import AsyncGenerator
from contextlib import asynccontextmanager
import uvicorn
from dishka import make_async_container
from dishka.integrations.fastapi import setup_dishka
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import HTMLResponse
from fastapi.staticfiles import StaticFiles
from app.infrastructure import close_db, init_db, register_exception_handlers, settings
from app.infrastructure.di.providers import (
DatabaseProvider,
KeycloakProvider,
RepositoryProvider,
TransactionManagerProvider,
UseCaseProvider,
)
from app.presentation import router
from app.presentation.web import router as web_router
@asynccontextmanager
async def lifespan(app: FastAPI) -> AsyncGenerator[None]:
"""Application lifespan manager.
Handles startup and shutdown tasks for the application.
Args:
app: FastAPI application instance.
Yields:
None during application runtime.
"""
await init_db()
yield
await close_db()
def app_factory() -> FastAPI:
"""Create and configure FastAPI application.
Sets up DI container, exception handlers, middleware, and routes.
Returns:
Configured FastAPI application instance.
"""
app = FastAPI(
title=settings.app.name,
debug=settings.app.debug,
lifespan=lifespan,
docs_url="/docs" if settings.is_dev else None,
redoc_url="/redoc" if settings.is_dev else None,
)
container = make_async_container(
DatabaseProvider(),
RepositoryProvider(),
TransactionManagerProvider(),
UseCaseProvider(),
KeycloakProvider(),
)
setup_dishka(container, app)
register_exception_handlers(app)
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
app.include_router(router, prefix="/api")
app.include_router(web_router)
app.mount("/static", StaticFiles(directory="static"), name="static")
@app.get("/", response_class=HTMLResponse)
async def root_redirect() -> HTMLResponse:
"""Redirect root URL to web UI.
Returns:
HTMLResponse with redirect to web interface.
"""
return HTMLResponse(
content='<meta http-equiv="refresh" content="0;url=/web/">', status_code=200
)
@app.get("/health", tags=["health"])
async def health_check() -> dict[str, str]:
"""Health check endpoint.
Returns:
Status information dictionary.
"""
return {
"status": "ok",
"app": settings.app.name,
"env": settings.environment.value,
}
return app
def main() -> None:
"""Run the application.
Starts uvicorn server with application factory.
"""
uvicorn.run(
app_factory,
factory=True,
host=settings.app.host,
port=settings.app.port,
)
if __name__ == "__main__":
main()