added multidevice support

python_app/orchestration/process_supervisor.py

@@ -3,9 +3,11 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
+import json
 from pathlib import Path
 import shlex
 import subprocess
+import sys
 import time
 from typing import Iterable
 from typing import Sequence
@@ -83,6 +85,7 @@ class ProcessSupervisor:
         if self.is_running():
             raise RuntimeError("Acquisition processes are already running")
 
+        acquisition_command = self._acquisition_command(config_path)
         command_specs = {
             "data_processor": [
                 str(self._project_root / "build/bin/data_processor"),
@@ -94,11 +97,7 @@ class ProcessSupervisor:
                 "--config",
                 str(config_path),
             ],
-            "sweep_orchestrator": [
-                str(self._project_root / "build/bin/sweep_orchestrator"),
-                "--config",
-                str(config_path),
-            ],
+            "sweep_orchestrator": acquisition_command,
         }
         processor_was_running = self.is_processor_running()
         required_processes: list[str] = ["data_preprocessor"]
@@ -168,6 +167,34 @@ class ProcessSupervisor:
             handle=handle,
         )
 
+    def _acquisition_command(self, config_path: Path) -> list[str]:
+        """Return acquisition producer command selected by radar.model."""
+        radar_model = self._read_radar_model(config_path)
+        if radar_model == "librevna_multi":
+            return [
+                sys.executable,
+                "-m",
+                "python_app.scripts.multi_device_raw_producer",
+                "--config",
+                str(config_path),
+            ]
+        return [
+            str(self._project_root / "build/bin/sweep_orchestrator"),
+            "--config",
+            str(config_path),
+        ]
+
+    @staticmethod
+    def _read_radar_model(config_path: Path) -> str:
+        """Read `radar.model` cheaply without constructing the full config model."""
+        payload = json.loads(config_path.read_text(encoding="utf-8"))
+        if not isinstance(payload, dict):
+            return "librevna"
+        radar_payload = payload.get("radar")
+        if not isinstance(radar_payload, dict):
+            return "librevna"
+        return str(radar_payload.get("model", "librevna"))
+
     def _stop_processes(self, names: Iterable[str]) -> None:
         """Gracefully terminate processes, then force-kill on timeout."""
         ordered_names = list(names)