From: Jeroen Ruigrok van der Werven <asmodai@in-nomine.org>
Date: Tue, 22 Feb 2011 14:30:22 +0000 (+0000)
Subject: Prevent multiple handlers being attached to the same logger.
X-Git-Tag: 1.0~228
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=af6ce8f688a37898024bad6a40c2dcc8528e6077;p=thirdparty%2Fbabel.git

Prevent multiple handlers being attached to the same logger.

Issue: #227
Submitted by: dfraser
---

diff --git a/ChangeLog b/ChangeLog
index 8638f1c5..7533ad3b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -26,6 +26,7 @@ http://svn.edgewall.org/repos/babel/tags/1.0.0/
  * Removed ValueError raising for string formatting message checkers if the
    string does not contain any string formattings (ticket #150).
  * Fix Serbian plural forms (ticket #213).
+ * Prevent multiple handlers being added to the same logger (ticket #227).
 
 
 Version 0.9.6
diff --git a/babel/messages/frontend.py b/babel/messages/frontend.py
index b1ebfb4a..0aa535d9 100755
--- a/babel/messages/frontend.py
+++ b/babel/messages/frontend.py
@@ -629,11 +629,14 @@ class CommandLineInterface(object):
         # Configure logging
         self.log = logging.getLogger('babel')
         self.log.setLevel(options.loglevel)
-        handler = logging.StreamHandler()
-        handler.setLevel(options.loglevel)
+        if self.log.handlers:
+            handler = self.log.handlers[0]
+        else:
+            handler = logging.StreamHandler()
+            self.log.addHandler(handler)
         formatter = logging.Formatter('%(message)s')
         handler.setFormatter(formatter)
-        self.log.addHandler(handler)
+        handler.setLevel(options.loglevel)
 
         if options.list_locales:
             identifiers = localedata.list()