Added wait_stop and shoud_stop methods to StoppableThread.

platypush/common/_types.py

@@ -1,5 +1,6 @@
-from abc import ABC, abstractmethod
-from threading import Thread
+from abc import ABC
+from threading import Event, Thread
+from typing import Optional
 
 
 class StoppableThread(Thread, ABC):
@@ -7,6 +8,29 @@ class StoppableThread(Thread, ABC):
     Base interface for stoppable threads.
     """
 
-    @abstractmethod
+    def __init__(self, *args, stop_event: Optional[Event] = None, **kwargs):
+        """
+        :param stop_event: Event used to signal the thread to stop.
+        """
+        super().__init__(*args, **kwargs)
+        self._stop_event = stop_event or Event()
+
+    def should_stop(self) -> bool:
+        """
+        :return: ``True`` if the thread should be stopped, ``False`` otherwise.
+        """
+        return self._stop_event.is_set()
+
+    def wait_stop(self, timeout: Optional[float] = None):
+        """
+        Wait for the stop event to be set.
+
+        :param timeout: Timeout in seconds (default: no timeout).
+        """
+        self._stop_event.wait(timeout)
+
     def stop(self):
-        ...
+        """
+        Signal the thread to stop by setting the stop event.
+        """
+        self._stop_event.set()