From e2199894eb6657703b9b7ad7151d1f180acbf6d9 Mon Sep 17 00:00:00 2001
From: Marat Sharafutdinov <decaz89@gmail.com>
Date: Mon, 11 Mar 2019 21:05:31 +0300
Subject: [PATCH] Pass-through stdlib's logger attributes

---
 src/structlog/stdlib.py | 45 ++++++++++++++++++++++++++++++++++++++++-
 tests/test_stdlib.py    | 15 ++++++++++++++
 2 files changed, 59 insertions(+), 1 deletion(-)

diff --git a/src/structlog/stdlib.py b/src/structlog/stdlib.py
index fff4e28c..95ef0fdb 100644
--- a/src/structlog/stdlib.py
+++ b/src/structlog/stdlib.py
@@ -120,9 +120,52 @@ def _proxy_to_logger(self, method_name, event, *event_args, **event_kw):
         )
 
     #
-    # Pass-through methods to mimick the stdlib's logger interface.
+    # Pass-through attributes and methods to mimick the stdlib's logger
+    # interface.
     #
 
+    @property
+    def name(self):
+        """
+        Returns :attr:`logging.Logger.name`
+        """
+        return self._logger.name
+
+    @property
+    def level(self):
+        """
+        Returns :attr:`logging.Logger.level`
+        """
+        return self._logger.level
+
+    @property
+    def parent(self):
+        """
+        Returns :attr:`logging.Logger.parent`
+        """
+        return self._logger.parent
+
+    @property
+    def propagate(self):
+        """
+        Returns :attr:`logging.Logger.propagate`
+        """
+        return self._logger.propagate
+
+    @property
+    def handlers(self):
+        """
+        Returns :attr:`logging.Logger.handlers`
+        """
+        return self._logger.handlers
+
+    @property
+    def disabled(self):
+        """
+        Returns :attr:`logging.Logger.disabled`
+        """
+        return self._logger.disabled
+
     def setLevel(self, level):
         """
         Calls :meth:`logging.Logger.setLevel` with unmodified arguments.
diff --git a/tests/test_stdlib.py b/tests/test_stdlib.py
index c02e3f6e..d0209b9e 100644
--- a/tests/test_stdlib.py
+++ b/tests/test_stdlib.py
@@ -191,6 +191,21 @@ def test_positional_args_proxied(self):
         assert "baz" == kwargs.get("bar")
         assert ("foo",) == kwargs.get("positional_args")
 
+    @pytest.mark.parametrize(
+        "attribute_name",
+        ["name", "level", "parent", "propagate", "handlers", "disabled"],
+    )
+    def test_stdlib_passthrough_attributes(self, attribute_name):
+        """
+        stdlib logger attributes are also available in stdlib BoundLogger.
+        """
+        stdlib_logger = logging.getLogger("Test")
+        stdlib_logger_attribute = getattr(stdlib_logger, attribute_name)
+        bl = BoundLogger(stdlib_logger, [], {})
+        bound_logger_attribute = getattr(bl, attribute_name)
+
+        assert bound_logger_attribute == stdlib_logger_attribute
+
     @pytest.mark.parametrize(
         "method_name,method_args",
         [