122 lines
3.6 KiB
Python
122 lines
3.6 KiB
Python
import asyncio
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import os
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from importlib import import_module
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from os.path import exists
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from ariadne import load_schema_from_path, make_executable_schema
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from ariadne.asgi import GraphQL
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from starlette.applications import Starlette
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from starlette.requests import Request
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from starlette.responses import JSONResponse, Response
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from starlette.routing import Route
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from cache.precache import precache_data
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from cache.revalidator import revalidation_manager
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from orm import (
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# collection,
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# invite,
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author,
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community,
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notification,
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reaction,
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shout,
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topic,
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)
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from services.db import create_table_if_not_exists, engine
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from services.exception import ExceptionHandlerMiddleware
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from services.redis import redis
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from services.schema import resolvers
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from services.search import search_service
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from services.viewed import ViewedStorage
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from services.webhook import WebhookEndpoint
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from settings import DEV_SERVER_PID_FILE_NAME, MODE
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import_module("resolvers")
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schema = make_executable_schema(load_schema_from_path("schema/"), resolvers)
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async def start():
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if MODE == "development":
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if not exists(DEV_SERVER_PID_FILE_NAME):
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# pid file management
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with open(DEV_SERVER_PID_FILE_NAME, "w", encoding="utf-8") as f:
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f.write(str(os.getpid()))
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print(f"[main] process started in {MODE} mode")
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def create_all_tables():
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for model in [
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author.Author,
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author.AuthorRating,
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author.AuthorFollower,
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notification.Notification,
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notification.NotificationSeen,
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shout.Shout,
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shout.ShoutAuthor,
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shout.ShoutTopic,
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shout.ShoutCommunity,
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topic.Topic,
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topic.TopicFollower,
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reaction.Reaction,
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community.Community,
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community.CommunityFollower,
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# collection.Collection, collection.ShoutCollection,
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# invite.Invite
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]:
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create_table_if_not_exists(engine, model)
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async def create_all_tables_async():
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# Оборачиваем синхронную функцию в асинхронную
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await asyncio.to_thread(create_all_tables)
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async def lifespan(app):
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# Запуск всех сервисов при старте приложения
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await asyncio.gather(
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create_all_tables_async(),
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redis.connect(),
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precache_data(),
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ViewedStorage.init(),
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search_service.info(),
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start(),
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revalidation_manager.start(),
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)
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yield
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# Остановка сервисов при завершении работы приложения
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await redis.disconnect()
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# Создаем экземпляр GraphQL
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graphql_app = GraphQL(schema, debug=True)
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# Оборачиваем GraphQL-обработчик для лучшей обработки ошибок
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async def graphql_handler(request: Request):
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if request.method not in ["GET", "POST"]:
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return JSONResponse({"error": "Method Not Allowed"}, status_code=405)
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try:
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result = await graphql_app.handle_request(request)
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if isinstance(result, Response):
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return result
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return JSONResponse(result)
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except asyncio.CancelledError:
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return JSONResponse({"error": "Request cancelled"}, status_code=499)
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except Exception as e:
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print(f"GraphQL error: {str(e)}")
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return JSONResponse({"error": str(e)}, status_code=500)
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# Обновляем маршрут в Starlette
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app = Starlette(
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routes=[
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Route("/", graphql_handler, methods=["GET", "POST"]),
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Route("/new-author", WebhookEndpoint),
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],
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lifespan=lifespan,
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debug=True,
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)
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app.add_middleware(ExceptionHandlerMiddleware)
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