Merging PR_218 openai_rev package with new streamlit chat app

venv/lib/python3.9/site-packages/watchdog/utils/process_watcher.py

@@ -0,0 +1,26 @@
+from __future__ import annotations
+
+import logging
+
+from watchdog.utils import BaseThread
+
+logger = logging.getLogger(__name__)
+
+
+class ProcessWatcher(BaseThread):
+    def __init__(self, popen_obj, process_termination_callback):
+        super().__init__()
+        self.popen_obj = popen_obj
+        self.process_termination_callback = process_termination_callback
+
+    def run(self):
+        while True:
+            if self.popen_obj.poll() is not None:
+                break
+            if self.stopped_event.wait(timeout=0.1):
+                return
+
+        try:
+            self.process_termination_callback()
+        except Exception:
+            logger.exception("Error calling process termination callback")