From: Vinay Sajip <vinay_sajip@yahoo.co.uk>
Date: Wed, 22 Apr 2009 12:10:47 +0000 (+0000)
Subject: Issue #5170: Fixed regression caused when fixing #5768.
X-Git-Tag: v2.7a1~1437
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=cbb530872354fb4eb3b8b5bbaa36db38a0d9a64a;p=python

Issue #5170: Fixed regression caused when fixing #5768.
---

diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index d20b37b301..0b5e671cbe 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -766,7 +766,17 @@ class StreamHandler(Handler):
                 try:
                     if (isinstance(msg, unicode) and
                         getattr(stream, 'encoding', None)):
-                        stream.write(fs.decode(stream.encoding) % msg)
+                        fs = fs.decode(stream.encoding)
+                        try:
+                            stream.write(fs % msg)
+                        except UnicodeEncodeError:
+                            #Printing to terminals sometimes fails. For example,
+                            #with an encoding of 'cp1251', the above write will
+                            #work if written to a stream opened or wrapped by
+                            #the codecs module, but fail when writing to a
+                            #terminal even when the codepage is set to cp1251.
+                            #An extra encoding step seems to be needed.
+                            stream.write((fs % msg).encode(stream.encoding))
                     else:
                         stream.write(fs % msg)
                 except UnicodeError: