From a9a423bd7ea19e7a5f18c3c413b31d491601df69 Mon Sep 17 00:00:00 2001
From: marscher <m.scherer@fu-berlin.de>
Date: Fri, 19 Feb 2016 18:53:54 +0100
Subject: [PATCH] [logging] handle exceptions during empty log file removal

---
 pyemma/util/log.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pyemma/util/log.py b/pyemma/util/log.py
index 0da29ba8b..118b6b479 100644
--- a/pyemma/util/log.py
+++ b/pyemma/util/log.py
@@ -23,7 +23,7 @@
 @author: marscher
 '''
 
-from __future__ import absolute_import
+from __future__ import absolute_import, print_function
 
 import pkg_resources
 import logging
@@ -99,9 +99,14 @@ class LoggingConfigurationError(RuntimeError):
     import atexit
     @atexit.register
     def clean_empty_log_files():
+        # gracefully shutdown logging system
+        logging.shutdown()
         for f in log_files:
             if f is not None and os.stat(f).st_size == 0:
-                os.remove(f)
+                try:
+                    os.remove(f)
+                except OSError as o:
+                    print("during removal of empty logfiles there was a problem: ", o)
 
 
 def getLogger(name=None):