migrate to mikroservices architecture, and add more features

gui/worker.py

@@ -0,0 +1,36 @@
+"""QThread wrapper around core.pipeline.run_pipeline."""
+from __future__ import annotations
+
+import threading
+
+from PySide6.QtCore import QThread, Signal
+
+from core.config import PipelineConfig
+from core.pipeline import run_pipeline
+
+
+class PipelineWorker(QThread):
+    log = Signal(str)
+    progress = Signal(int, int)     # done, total
+    finished_ok = Signal(list)      # list[FileResult]
+    failed = Signal(str)
+
+    def __init__(self, config: PipelineConfig, parent=None):
+        super().__init__(parent)
+        self._config = config
+        self._stop_event = threading.Event()
+
+    def stop(self) -> None:
+        self._stop_event.set()
+
+    def run(self) -> None:  # noqa: D401 — Qt override
+        try:
+            results = run_pipeline(
+                self._config,
+                log=self.log.emit,
+                on_progress=lambda d, t: self.progress.emit(d, t),
+                stop_event=self._stop_event,
+            )
+            self.finished_ok.emit(results)
+        except Exception as exc:  # noqa: BLE001
+            self.failed.emit(f"{type(exc).__name__}: {exc}")