44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
import yaml
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import psycopg2
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def read_sql_config(yaml_name):
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"""
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读取 SQL 配置
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"""
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yaml_path = f"{yaml_name}.yaml"
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with open(yaml_path, 'r', encoding='utf-8') as f:
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config = yaml.safe_load(f)
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sql_config = config.get('sql')
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if not sql_config:
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raise ValueError("未找到 'sql' 配置块")
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return sql_config
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def get_user_power(user_id: str, yaml_name: str) -> int | None:
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"""
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根据 user_id 查询数据库中对应的 power，找不到返回 None
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"""
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conn = None
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try:
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sql_config = read_sql_config(yaml_name)
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conn = psycopg2.connect(
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dbname=sql_config['dbname'],
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user=sql_config['user'],
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password=sql_config['password'],
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host=sql_config['host'],
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port=sql_config['port']
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)
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conn.autocommit = True # 只读查询推荐设置
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with conn.cursor() as cur:
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cur.execute(" WHERE user_id = %s", (user_id,))
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row = cur.fetchone()
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if row:
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return row[0]
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else:
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return None
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except Exception as e:
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print(f"数据库操作异常: {e}")
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return None
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finally:
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if conn:
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conn.close() |