core/main.py

import os
from importlib import import_module
from os.path import exists

from ariadne import load_schema_from_path, make_executable_schema
from ariadne.asgi import GraphQL

from sentry_sdk.integrations.aiohttp import AioHttpIntegration
from sentry_sdk.integrations.ariadne import AriadneIntegration
from sentry_sdk.integrations.redis import RedisIntegration
from sentry_sdk.integrations.sqlalchemy import SqlalchemyIntegration
from sentry_sdk.integrations.starlette import StarletteIntegration
from starlette.applications import Starlette
from starlette.routing import Route

from resolvers.webhook import WebhookEndpoint
from services.rediscache import redis
from services.schema import resolvers
from settings import DEV_SERVER_PID_FILE_NAME, MODE, SENTRY_DSN
from services.viewed import ViewedStorage

import_module("resolvers")
schema = make_executable_schema(load_schema_from_path("schemas/core.graphql"), resolvers)  # type: ignore


async def start_up():
    print(f"[main] starting in {MODE} mode")

    await redis.connect()

    # start viewed service
    await ViewedStorage.init()

    if MODE == "development":
        # pid file management
        if not exists(DEV_SERVER_PID_FILE_NAME):
            with open(DEV_SERVER_PID_FILE_NAME, "w", encoding="utf-8") as f:
                f.write(str(os.getpid()))

    if MODE == "production":
        # sentry monitoring
        try:
            import sentry_sdk

            sentry_sdk.init(
                SENTRY_DSN,
                enable_tracing=True,
                integrations=[
                    StarletteIntegration(),
                    AriadneIntegration(),
                    SqlalchemyIntegration(),
                    RedisIntegration(),
                    AioHttpIntegration(),
                ],
            )
        except Exception as e:
            print("[sentry] init error")
            print(e)


async def shutdown():
    await redis.disconnect()


routes = [Route("/", GraphQL(schema, debug=True)), Route("/new-author", WebhookEndpoint)]
app = Starlette(routes=routes, debug=True, on_startup=[start_up], on_shutdown=[shutdown])