20 lines
507 B
Python
20 lines
507 B
Python
"""
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state - 进程内共享单例（OracleDB 实例）
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video_queue / person_service / api_gateway 都通过 get_db() 访问同一个 SQLite 连接，
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避免重复打开与循环 import。
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"""
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from . import oracle_db
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from .config_loader import load_config
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_db = None
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def get_db() -> oracle_db.OracleDB:
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global _db
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if _db is None:
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cfg = load_config()
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path = cfg.get('oracle_db', {}).get('path', '/opt/fam-edge/data/oracle.db')
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_db = oracle_db.OracleDB(path)
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return _db
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