I gang

linedance-app/venv/lib/python3.12/site-packages/watchdog/utils/process_watcher.py

@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+import logging
+from typing import TYPE_CHECKING
+
+from watchdog.utils import BaseThread
+
+if TYPE_CHECKING:
+    import subprocess
+    from typing import Callable
+
+logger = logging.getLogger(__name__)
+
+
+class ProcessWatcher(BaseThread):
+    def __init__(self, popen_obj: subprocess.Popen, process_termination_callback: Callable[[], None] | None) -> None:
+        super().__init__()
+        self.popen_obj = popen_obj
+        self.process_termination_callback = process_termination_callback
+
+    def run(self) -> None:
+        while self.popen_obj.poll() is None:
+            if self.stopped_event.wait(timeout=0.1):
+                return
+
+        try:
+            if not self.stopped_event.is_set() and self.process_termination_callback:
+                self.process_termination_callback()
+        except Exception:
+            logger.exception("Error calling process termination callback")