Merge pull request #1937 from oliv3r/logger_fix

Fixed: Logger shutdown safety during Python cleanup

Author: basrieter

resources/lib/logger.py

@@ -136,6 +136,8 @@ def trace(msg, *args, **kwargs):
         """
 
         # noinspection PyArgumentList
+        if Logger.__logger is None:
+            return
         Logger.__logger.__write(msg, level=Logger.LVL_TRACE, *args, **kwargs)
         return
 
@@ -153,6 +155,8 @@ def debug(msg, *args, **kwargs):
         """
 
         # noinspection PyArgumentList
+        if Logger.__logger is None:
+            return
         Logger.__logger.__write(msg, level=Logger.LVL_DEBUG, *args, **kwargs)
         return
 
@@ -170,6 +174,8 @@ def info(msg, *args, **kwargs):
         """
 
         # noinspection PyArgumentList
+        if Logger.__logger is None:
+            return
         Logger.__logger.__write(msg, level=Logger.LVL_INFO, *args, **kwargs)
         return
 
@@ -187,6 +193,8 @@ def error(msg, *args, **kwargs):
         """
 
         # noinspection PyArgumentList
+        if Logger.__logger is None:
+            return
         Logger.__logger.__write(msg, level=Logger.LVL_ERROR, *args, **kwargs)
         return
 
@@ -204,6 +212,8 @@ def warning(msg, *args, **kwargs):
         """
 
         # noinspection PyArgumentList
+        if Logger.__logger is None:
+            return
         Logger.__logger.__write(msg, level=Logger.LVL_WARNING, *args, **kwargs)
         return
 
@@ -221,6 +231,8 @@ def critical(msg, *args, **kwargs):
         """
 
         # noinspection PyArgumentList
+        if Logger.__logger is None:
+            return
         Logger.__logger.__write(msg, level=Logger.LVL_CRITICAL, *args, **kwargs)
         return