Files
PTSRaiAgent/app/main.py
Pavel Eliseev b3e103954f
CI / ruff · pytest (pull_request) Successful in 2m24s
feat(contract): add opt-in MAX configuration and lifecycle
Refs #81
2026-10-04 15:58:25 +03:00

61 lines
2.1 KiB
Python

"""Application entrypoint: FastAPI API + scheduler + Telegram bot (frozen wiring, #34)."""
import logging
from collections.abc import AsyncGenerator
from contextlib import asynccontextmanager
from fastapi import FastAPI
from sqlalchemy.exc import SQLAlchemyError
from app.api.routes import router
from app.channels import telegram
from app.config import get_settings
from app.db.bootstrap import init_db
from app.db.session import dispose
from app.scheduler import jobs as scheduler
# Logs carry only tokens, states and event codes — never PII or raw message text.
logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(name)s %(message)s")
log = logging.getLogger("app")
@asynccontextmanager
async def lifespan(_: FastAPI) -> AsyncGenerator[None, None]:
settings = get_settings()
log.info("startup llm_provider=%s demo_clock=%s", settings.llm_provider, settings.demo_clock)
try:
await init_db()
log.info("db schema ready")
except (OSError, SQLAlchemyError) as exc:
# In compose Postgres is required and healthy before the app starts; this branch is for running the
# API (and its tests) without a database. Endpoints touching the DB will fail until it is reachable.
log.error("db init failed, continuing without db: %s", type(exc).__name__)
if settings.max_enabled:
raise # MAX requires persistent bindings and a delivery queue.
# Lanes fill these in (#13, #11); main.py itself stays frozen (#34).
max_channel = None
try:
await telegram.start()
if settings.max_enabled:
from app.channels import max_bot
max_channel = max_bot
await max_channel.start()
await scheduler.start()
yield
finally:
await scheduler.stop()
if max_channel is not None:
await max_channel.stop()
await telegram.stop()
await dispose()
app = FastAPI(title="PTSRaiAgent API", version="0.1.0", lifespan=lifespan)
app.include_router(router)
@app.get("/health")
async def health() -> dict[str, str]:
return {"status": "ok"}