projector version

python_app/orchestration/process_supervisor.py

@@ -283,6 +283,19 @@ class ProcessSupervisor:
 
     def _acquisition_command(self, config_path: Path) -> list[str]:
         """Return acquisition producer command selected by radar.model."""
+        # A configured replay dataset overrides the model's normal producer:
+        # recorded snapshots are replayed into the raw ring instead of
+        # acquiring from (mock) hardware.
+        replay_dir = self._read_replay_dataset_dir(config_path)
+        if replay_dir:
+            logger.debug("Selecting replay producer for dataset_dir=%s", replay_dir)
+            return [
+                sys.executable,
+                "-m",
+                "python_app.scripts.replay_raw_producer",
+                "--config",
+                str(config_path),
+            ]
         radar_model = self._read_radar_model(config_path)
         logger.debug("Selecting acquisition producer for radar.model=%s", radar_model)
         if radar_model in {"librevna_multi", "sn9000"}:
@@ -318,6 +331,20 @@ class ProcessSupervisor:
             return "librevna"
         return str(radar_payload.get("model", "librevna"))
 
+    @staticmethod
+    def _read_replay_dataset_dir(config_path: Path) -> str:
+        """Read `radar.replay.dataset_dir` cheaply, '' when replay is off."""
+        payload = json.loads(config_path.read_text(encoding="utf-8"))
+        if not isinstance(payload, dict):
+            return ""
+        radar_payload = payload.get("radar")
+        if not isinstance(radar_payload, dict):
+            return ""
+        replay_payload = radar_payload.get("replay")
+        if not isinstance(replay_payload, dict):
+            return ""
+        return str(replay_payload.get("dataset_dir", "")).strip()
+
     def _stop_processes(self, names: Iterable[str]) -> None:
         """Gracefully terminate processes, then force-kill on per-process timeout."""
         ordered_names = list(names)
@@ -591,6 +618,7 @@ class ProcessSupervisor:
             "build/bin/sweep_orchestrator",
             "python_app.scripts.matrix_raw_producer",
             "python_app.scripts.kamil_adc_raw_producer",
+            "python_app.scripts.replay_raw_producer",
         )
         try:
             raw = (Path("/proc") / str(pid) / "cmdline").read_bytes()