fix flush

Author: dinmukhamedm

src/lmnr/openllmetry_sdk/__init__.py

@@ -67,6 +67,5 @@ def init(
         )
 
     @staticmethod
-    def flush():
-        if getattr(TracerManager, "__tracer_wrapper", None):
-            TracerManager.__tracer_wrapper.flush()
+    def flush() -> bool:
+        return TracerManager.__tracer_wrapper.flush()

src/lmnr/openllmetry_sdk/tracing/tracing.py

@@ -236,8 +236,13 @@ def clear(cls):
         cls.__span_id_to_path = {}
         cls.__span_id_lists = {}
 
-    def flush(self):
+    def shutdown(self):
         self.__spans_processor.force_flush()
+        self.__spans_processor.shutdown()
+        self.__tracer_provider.shutdown()
+
+    def flush(self):
+        return self.__spans_processor.force_flush()
 
     def get_tracer(self):
         return self.__tracer_provider.get_tracer(TRACER_NAME)

src/lmnr/sdk/laminar.py

@@ -639,8 +639,16 @@ def deserialize_span_context(
         return LaminarSpanContext.deserialize(span_context)
 
     @classmethod
-    def flush(cls):
-        TracerManager.flush()
+    def flush(cls) -> bool:
+        """Flush the internal tracer.
+
+        Returns:
+            bool: True if the tracer was flushed, False otherwise
+            (e.g. no tracer or timeout).
+        """
+        if not cls.is_initialized():
+            return False
+        return TracerManager.flush()
 
     @classmethod
     def shutdown(cls):