Merge branch 'dev' into prcix9320

unilabos/devices/virtual/virtual_sample_demo.py

@@ -0,0 +1,88 @@
+"""虚拟样品演示设备 — 用于前端 sample tracking 功能的极简 demo"""
+
+import asyncio
+import logging
+import random
+import time
+from typing import Any, Dict, List, Optional
+
+
+class VirtualSampleDemo:
+    """虚拟样品追踪演示设备，提供两种典型返回模式：
+    - measure_samples: 等长输入输出 (前端按 index 自动对齐)
+    - split_and_measure: 输出比输入长，附带 samples 列标注归属
+    """
+
+    def __init__(self, device_id: Optional[str] = None, config: Optional[Dict[str, Any]] = None, **kwargs):
+        if device_id is None and "id" in kwargs:
+            device_id = kwargs.pop("id")
+        if config is None and "config" in kwargs:
+            config = kwargs.pop("config")
+
+        self.device_id = device_id or "unknown_sample_demo"
+        self.config = config or {}
+        self.logger = logging.getLogger(f"VirtualSampleDemo.{self.device_id}")
+        self.data: Dict[str, Any] = {"status": "Idle"}
+
+    # ------------------------------------------------------------------
+    # Action 1: 等长输入输出，无 samples 列
+    # ------------------------------------------------------------------
+    async def measure_samples(self, concentrations: List[float]) -> Dict[str, Any]:
+        """模拟光度测量。absorbance = concentration * 0.05 + noise
+
+        入参和出参 list 长度相等，前端按 index 自动对齐。
+        """
+        self.logger.info(f"measure_samples: concentrations={concentrations}")
+        absorbance = [round(c * 0.05 + random.gauss(0, 0.005), 4) for c in concentrations]
+        return {"concentrations": concentrations, "absorbance": absorbance}
+
+    # ------------------------------------------------------------------
+    # Action 2: 输出比输入长，带 samples 列
+    # ------------------------------------------------------------------
+    async def split_and_measure(self, volumes: List[float], split_count: int = 3) -> Dict[str, Any]:
+        """将每个样品均分为 split_count 份后逐份测量。
+
+        返回的 list 长度 = len(volumes) * split_count，
+        附带 samples 列标注每行属于第几个输入样品 (0-based index)。
+        """
+        self.logger.info(f"split_and_measure: volumes={volumes}, split_count={split_count}")
+        out_volumes: List[float] = []
+        readings: List[float] = []
+        samples: List[int] = []
+
+        for idx, vol in enumerate(volumes):
+            split_vol = round(vol / split_count, 2)
+            for _ in range(split_count):
+                out_volumes.append(split_vol)
+                readings.append(round(random.uniform(0.1, 1.0), 4))
+                samples.append(idx)
+
+        return {"volumes": out_volumes, "readings": readings, "unilabos_samples": samples}
+
+    # ------------------------------------------------------------------
+    # Action 3: 入参和出参都带 samples 列（不等长）
+    # ------------------------------------------------------------------
+    async def analyze_readings(self, readings: List[float], samples: List[int]) -> Dict[str, Any]:
+        """对 split_and_measure 的输出做二次分析。
+
+        入参 readings/samples 长度相同但 > 原始样品数，
+        出参同样带 samples 列，长度与入参一致。
+        """
+        self.logger.info(f"analyze_readings: readings={readings}, samples={samples}")
+        scores: List[float] = []
+        passed: List[bool] = []
+        threshold = 0.4
+
+        for r in readings:
+            score = round(r * 100 + random.gauss(0, 2), 2)
+            scores.append(score)
+            passed.append(r >= threshold)
+
+        return {"scores": scores, "passed": passed, "unilabos_samples": samples}
+
+    # ------------------------------------------------------------------
+    # 状态属性
+    # ------------------------------------------------------------------
+    @property
+    def status(self) -> str:
+        return self.data.get("status", "Idle")