Index: Lib/logging/__init__.py
===================================================================
--- Lib/logging/__init__.py	(Revision 78032)
+++ Lib/logging/__init__.py	(Arbeitskopie)
@@ -962,6 +962,7 @@
         self.disable = 0
         self.emittedNoHandlerWarning = 0
         self.loggerDict = {}
+        self.loggerClass = None
 
     def getLogger(self, name):
         """
@@ -981,13 +982,13 @@
                 rv = self.loggerDict[name]
                 if isinstance(rv, PlaceHolder):
                     ph = rv
-                    rv = _loggerClass(name)
+                    rv = (self.loggerClass or _loggerClass)(name)
                     rv.manager = self
                     self.loggerDict[name] = rv
                     self._fixupChildren(ph, rv)
                     self._fixupParents(rv)
             else:
-                rv = _loggerClass(name)
+                rv = (self.loggerClass or _loggerClass)(name)
                 rv.manager = self
                 self.loggerDict[name] = rv
                 self._fixupParents(rv)
@@ -995,6 +996,16 @@
             _releaseLock()
         return rv
 
+    def setLoggerClass(self, klass):
+        """
+        Set the class to be used when instantiating a logger with this Manager.
+        """
+        if klass != Logger:
+            if not issubclass(klass, Logger):
+                raise TypeError("logger not derived from logging.Logger: "
+                                + klass.__name__)
+        self.loggerClass = klass
+
     def _fixupParents(self, alogger):
         """
         Ensure that there are either loggers or placeholders all the way
Index: Lib/test/test_logging.py
===================================================================
--- Lib/test/test_logging.py	(Revision 78032)
+++ Lib/test/test_logging.py	(Arbeitskopie)
@@ -1629,15 +1629,33 @@
             self.assert_log_lines([])
 
 
+class ManagerTest(BaseTest):
+    def test_manager_loggerclass(self):
+        logged = []
+
+        class MyLogger(logging.Logger):
+            def _log(self, level, msg, args, exc_info=None, extra=None):
+                logged.append(msg)
+
+        man = logging.Manager(None)
+        self.assertRaises(TypeError, man.setLoggerClass, int)
+        man.setLoggerClass(MyLogger)
+        logger = man.getLogger('test')
+        logger.warning('should appear in logged')
+        logging.warning('should not appear in logged')
+
+        self.assertEqual(logged, ['should appear in logged'])
+
+
 # Set the locale to the platform-dependent default.  I have no idea
 # why the test does this, but in any case we save the current locale
 # first and restore it at the end.
 @run_with_locale('LC_ALL', '')
 def test_main():
     run_unittest(BuiltinLevelsTest, BasicFilterTest,
-                    CustomLevelsAndFiltersTest, MemoryHandlerTest,
-                    ConfigFileTest, SocketHandlerTest, MemoryTest,
-                    EncodingTest, WarningsTest, ConfigDictTest)
+                 CustomLevelsAndFiltersTest, MemoryHandlerTest,
+                 ConfigFileTest, SocketHandlerTest, MemoryTest,
+                 EncodingTest, WarningsTest, ConfigDictTest, ManagerTest)
 
 if __name__ == "__main__":
     test_main()