新增 templates/ti-cl4/impurity-forecast:声明式特征工程引擎,特征以 FeatureSpec 描述(EMA/RollingStd/RateOfChange 等 7 算子),换行业只改模板配置 features.template.yaml,引擎零改动(PRD 5.3:特征工程层跨行业差异落在 FeatureSpec,不落代码)。 - features.py:FeatureSpec 声明 + 校验 + 7 算子 + 时序对齐 + 阈值 breach + 零依赖 YAML 解析 - config/features.template.yaml:炉温/氯气/炉压/炉层 9 条特征(对齐点位字典 point_id) - tests/test_features.py:24 项单测(校验/算子/对齐/breach/配置/端到端提前量)全通过 - _sanity_check.py:冒烟脚本(配置加载 + transform + breach 可观测) 验收:一期阈值+无监督上线,提前量信号可观测(PRD 提前≥30min、误报率≤8%口径)。
68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
# -*- coding: utf-8 -*-
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"""炉层杂质预警特征工程冒烟脚本(Issue #70)。
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直接运行 ``python _sanity_check.py`` 验证:模板资产可加载、引擎可对
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合成时序产出完整特征向量、阈值 breach 可观测。零第三方依赖。
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"""
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import importlib.util
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import os
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import sys
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# impurity-forecast 目录名含连字符,不能作为 Python 包名直接 import;
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# 用 importlib 按文件路径加载为合法包 impurity_forecast(同 tests/_bootstrap.py)。
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_PKG_DIR = os.path.dirname(os.path.abspath(__file__))
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def _load_pkg(name, path):
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if name in sys.modules:
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return
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spec = importlib.util.spec_from_file_location(
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name, os.path.join(path, "__init__.py"),
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submodule_search_locations=[path])
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mod = importlib.util.module_from_spec(spec)
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sys.modules[name] = mod
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spec.loader.exec_module(mod)
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_load_pkg("impurity_forecast", _PKG_DIR)
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from impurity_forecast import FeatureEngine, load_feature_config # noqa: E402
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CONFIG = os.path.join(os.path.dirname(os.path.abspath(__file__)),
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"config", "features.template.yaml")
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def main() -> int:
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cfg = load_feature_config(CONFIG)
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print(f"[OK] 模板特征配置加载: template={cfg.template} "
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f"version={cfg.version} features={len(cfg.specs)}")
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for line in FeatureEngine(cfg.specs).describe():
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print(" -", line)
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eng = FeatureEngine.from_template_config(CONFIG)
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# 合成 30 步温和时序(不触发 breach),验证预热后向量完整
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samples = [
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{"ts": i, "CLF-01.TEMP": 850.0, "CLF-01.CL2": 100.0,
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"CLF-01.PRES": 10.0, "CLF-01.BED": 60.0}
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for i in range(30)
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]
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vecs = eng.transform(samples)
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last = vecs[-1]
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assert last.is_complete, "预热后特征向量应完整"
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assert eng.breach(last) == [], "温和时序不应触发 breach"
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print(f"[OK] transform: 30 步时序 → 末向量完整,缺失率={last.missing_rate:.2%}")
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# 合成急升温序列,验证阈值 breach 可观测
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hot = [{"ts": i, "CLF-01.TEMP": 850.0 + 8.0 * i, "CLF-01.CL2": 100.0,
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"CLF-01.PRES": 10.0, "CLF-01.BED": 60.0} for i in range(30)]
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hot_vecs = eng.transform(hot)
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breached = any(eng.breach(v) for v in hot_vecs)
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assert breached, "急升温序列应触发 breach"
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print("[OK] 急升温序列触发 breach(提前量信号可观测)")
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print("炉层杂质预警特征工程冒烟通过 ✅")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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