51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
"""
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FastAPI依赖注入
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"""
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from fastapi import Depends, HTTPException, status
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from sqlalchemy.ext.asyncio import AsyncSession
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from typing import AsyncGenerator
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from .database import get_db
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from .config import settings, api_config
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async def get_database_session() -> AsyncGenerator[AsyncSession, None]:
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"""获取数据库会话依赖"""
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async for session in get_db():
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yield session
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def verify_gemini_api_key():
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"""验证Gemini API密钥"""
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if not api_config.validate_gemini_config():
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raise HTTPException(
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status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
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detail="Gemini API未配置或配置无效"
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)
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return api_config.gemini_api_key
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def verify_tushare_token():
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"""验证Tushare Token"""
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if not api_config.validate_tushare_config():
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raise HTTPException(
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status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
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detail="Tushare API未配置或配置无效"
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)
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return api_config.tushare_token
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class DatabaseDependency:
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"""数据库依赖类"""
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def __init__(self):
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self.session = Depends(get_database_session)
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class APIKeyDependency:
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"""API密钥依赖类"""
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def __init__(self):
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self.gemini_key = Depends(verify_gemini_api_key)
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self.tushare_token = Depends(verify_tushare_token) |