Add span exporter property to batch span processor

Author: DylanRussell

opentelemetry-sdk/src/opentelemetry/sdk/trace/export/__init__.py

@@ -177,6 +177,11 @@ def __init__(
             "Span",
         )
 
+    # Added for backward compatibility. Not recommended to directly access/use underlying exporter.
+    @property
+    def span_exporter(self):
+        return self._batch_processor._exporter #pylint: disable=protected-access
+
     def on_start(
         self, span: Span, parent_context: Context | None = None
     ) -> None: