48 lines
990 B
Python
48 lines
990 B
Python
from __future__ import annotations
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import json
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from app.config import settings
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from pydantic import BaseModel
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from sqlalchemy.ext.asyncio import create_async_engine
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from sqlmodel import SQLModel
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from sqlmodel.ext.asyncio.session import AsyncSession
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try:
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import redis
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except ImportError:
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redis = None
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def json_serializer(value):
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if isinstance(value, BaseModel | SQLModel):
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return value.model_dump_json()
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return json.dumps(value)
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# 数据库引擎
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engine = create_async_engine(settings.DATABASE_URL, json_serializer=json_serializer)
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# Redis 连接
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if redis:
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redis_client = redis.from_url(settings.REDIS_URL, decode_responses=True)
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else:
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redis_client = None
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# 数据库依赖
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async def get_db():
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async with AsyncSession(engine) as session:
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yield session
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async def create_tables():
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async with engine.begin() as conn:
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await conn.run_sync(SQLModel.metadata.create_all)
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# Redis 依赖
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def get_redis():
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return redis_client
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