68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
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# -*- 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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