feat(logging): add logger module for backwards compatibility

src/backend/base/langflow/logging/logger.py

@@ -0,0 +1,3 @@
+from lfx.log.logger import configure, logger
+
+__all__ = ["configure", "logger"]

src/backend/tests/unit/test_langflow_logging_compatibility.py

@@ -67,11 +67,10 @@
 def test_no_conflict_with_lfx_logging():
     """Test that langflow.logging and lfx.logging don't conflict."""
     # Import both
     from langflow.logging import configure as lf_configure
     from langflow.logging import logger as lf_logger
-
     from lfx.logging import configure as lfx_configure
     from lfx.logging import logger as lfx_logger
 
     # They should be the same underlying objects since langflow.logging imports from lfx.log.logger
     # and lfx.logging re-exports from lfx.log.logger
@@ -91,10 +90,9 @@
 
 def test_langflow_logging_imports_from_lfx():
     """Test that langflow.logging correctly imports from lfx."""
     from langflow.logging import configure, logger
-
     from lfx.log.logger import configure as lfx_configure
     from lfx.log.logger import logger as lfx_logger
 
     # langflow.logging should import equivalent objects from lfx.log.logger
     # Due to module initialization order, object identity may vary
@@ -118,13 +116,12 @@
     # 3. Both should work without conflicts
 
     # Import from all paths
     from langflow.logging import configure as lf_configure
     from langflow.logging import logger as lf_logger
-
     from lfx.log.logger import configure as orig_configure
     from lfx.log.logger import logger as orig_logger
     from lfx.logging import configure as lfx_configure
     from lfx.logging import logger as lfx_logger
 
     # All should be callable/have expected methods
     assert callable(lf_configure)
@@ -158,6 +155,7 @@
     # Test that langflow.logging can be used in component code created via create_class
     code = dedent("""
 from langflow.logging import logger, configure
+from langflow.logging.logger import logger
 from langflow.custom import Component
 
 class TestLangflowLoggingComponent(Component):