158 lines
5.4 KiB
Python
158 lines
5.4 KiB
Python
"""
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配置管理器 - 从数据库读取配置，兼容原有config.py
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"""
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import sys
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import os
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from pathlib import Path
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# 加载.env文件
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try:
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from dotenv import load_dotenv
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backend_dir = Path(__file__).parent
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project_root = backend_dir.parent
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env_files = [
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backend_dir / '.env',
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project_root / '.env',
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]
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for env_file in env_files:
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if env_file.exists():
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load_dotenv(env_file, override=True)
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break
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else:
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load_dotenv(project_root / '.env', override=False)
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except ImportError:
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pass
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except Exception:
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pass
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# 添加项目根目录到路径
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project_root = Path(__file__).parent.parent
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sys.path.insert(0, str(project_root))
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# 延迟导入，避免在trading_system中导入时因为缺少依赖而失败
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try:
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from database.models import TradingConfig
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except ImportError as e:
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TradingConfig = None
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import logging
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logger = logging.getLogger(__name__)
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logger.warning(f"无法导入TradingConfig: {e}，配置管理器将无法使用数据库")
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import logging
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logger = logging.getLogger(__name__)
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class ConfigManager:
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"""配置管理器 - 优先从数据库读取，回退到环境变量和默认值"""
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def __init__(self):
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self._cache = {}
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self._load_from_db()
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def _load_from_db(self):
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"""从数据库加载配置"""
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if TradingConfig is None:
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logger.warning("TradingConfig未导入，无法从数据库加载配置")
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self._cache = {}
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return
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try:
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configs = TradingConfig.get_all()
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for config in configs:
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key = config['config_key']
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value = TradingConfig._convert_value(
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config['config_value'],
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config['config_type']
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)
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self._cache[key] = value
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logger.info(f"从数据库加载了 {len(self._cache)} 个配置项")
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except Exception as e:
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logger.warning(f"从数据库加载配置失败，使用默认配置: {e}")
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self._cache = {}
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def get(self, key, default=None):
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"""获取配置值"""
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# 1. 优先从数据库缓存读取
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if key in self._cache:
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return self._cache[key]
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# 2. 从环境变量读取
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env_value = os.getenv(key)
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if env_value is not None:
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return env_value
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# 3. 返回默认值
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return default
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def set(self, key, value, config_type='string', category='general', description=None):
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"""设置配置（同时更新数据库和缓存）"""
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if TradingConfig is None:
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logger.warning("TradingConfig未导入，无法更新数据库配置")
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self._cache[key] = value
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return
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try:
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TradingConfig.set(key, value, config_type, category, description)
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self._cache[key] = value
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logger.info(f"配置已更新: {key} = {value}")
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except Exception as e:
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logger.error(f"更新配置失败: {e}")
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raise
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def reload(self):
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"""重新加载配置"""
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self._cache = {}
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self._load_from_db()
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def get_trading_config(self):
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"""获取交易配置字典（兼容原有config.py的TRADING_CONFIG）"""
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return {
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# 仓位控制
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'MAX_POSITION_PERCENT': self.get('MAX_POSITION_PERCENT', 0.05),
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'MAX_TOTAL_POSITION_PERCENT': self.get('MAX_TOTAL_POSITION_PERCENT', 0.30),
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'MIN_POSITION_PERCENT': self.get('MIN_POSITION_PERCENT', 0.01),
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# 涨跌幅阈值
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'MIN_CHANGE_PERCENT': self.get('MIN_CHANGE_PERCENT', 2.0),
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'TOP_N_SYMBOLS': self.get('TOP_N_SYMBOLS', 10),
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# 风险控制
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'STOP_LOSS_PERCENT': self.get('STOP_LOSS_PERCENT', 0.03),
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'TAKE_PROFIT_PERCENT': self.get('TAKE_PROFIT_PERCENT', 0.05),
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# 市场扫描（1小时主周期）
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'SCAN_INTERVAL': self.get('SCAN_INTERVAL', 3600), # 1小时
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'TOP_N_SYMBOLS': self.get('TOP_N_SYMBOLS', 10), # 每次扫描后处理的交易对数量
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'MAX_SCAN_SYMBOLS': self.get('MAX_SCAN_SYMBOLS', 500), # 扫描的最大交易对数量（0表示扫描所有）
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'KLINE_INTERVAL': self.get('KLINE_INTERVAL', '1h'),
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'PRIMARY_INTERVAL': self.get('PRIMARY_INTERVAL', '1h'),
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'CONFIRM_INTERVAL': self.get('CONFIRM_INTERVAL', '4h'),
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'ENTRY_INTERVAL': self.get('ENTRY_INTERVAL', '15m'),
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# 过滤条件
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'MIN_VOLUME_24H': self.get('MIN_VOLUME_24H', 10000000),
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'MIN_VOLATILITY': self.get('MIN_VOLATILITY', 0.02),
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# 高胜率策略参数
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'MIN_SIGNAL_STRENGTH': self.get('MIN_SIGNAL_STRENGTH', 5),
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'LEVERAGE': self.get('LEVERAGE', 10),
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'USE_TRAILING_STOP': self.get('USE_TRAILING_STOP', True),
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'TRAILING_STOP_ACTIVATION': self.get('TRAILING_STOP_ACTIVATION', 0.01),
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'TRAILING_STOP_PROTECT': self.get('TRAILING_STOP_PROTECT', 0.01),
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}
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# 全局配置管理器实例
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config_manager = ConfigManager()
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# 兼容原有config.py的接口
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def get_config(key, default=None):
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"""获取配置（兼容函数）"""
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return config_manager.get(key, default)
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def get_trading_config():
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"""获取交易配置（兼容函数）"""
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return config_manager.get_trading_config()
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