feat(factors): 集成 metadata 模块,支持按名称注册因子
- 新增 add_factor_by_name() 方法,从 metadata 查询 DSL 表达式并注册 - FactorEngine 支持可选的 metadata_path 参数初始化 - 将 regression.ipynb 和 learn_to_rank.ipynb 转换为 Python 脚本 - 新增 test_factor_engine_metadata.py 测试文件
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@@ -101,7 +101,8 @@ class STFilter(BaseFilter):
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# 打印过滤信息
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n_removed = len(daily_codes) - len(daily_filtered)
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if n_removed > 0:
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print(f" [{date}] 过滤 {n_removed} 只 ST 股票")
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pass
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# print(f" [{date}] 过滤 {n_removed} 只 ST 股票")
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return pl.concat(result_frames)
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