[GitHub] [airflow] JPonte commented on a change in pull request #14146: Restore base lineage backend

[GitBox <gi...@apache.org>]

JPonte commented on a change in pull request #14146:
URL: https://github.com/apache/airflow/pull/14146#discussion_r572776463



##########
File path: airflow/lineage/__init__.py
##########
@@ -45,6 +48,20 @@ class Metadata:
     data: Dict = attr.ib()
 
 
+def _get_backend() -> Optional[LineageBackend]:
+    _backend: Optional[LineageBackend] = None
+
+    try:
+        _backend_str = conf.get("lineage", "backend")
+        _backend = import_string(_backend_str)  # pylint:disable=protected-access
+    except ImportError as err:
+        log.debug("Cannot import %s due to %s", _backend_str, err)  # pylint:disable=protected-access
+    except AirflowConfigException:
+        log.debug("Could not find lineage backend key in config")

Review comment:
       By default there is no backend, lineage stays only in the XComs.




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