[gtk-doc] common: handle encoding when redirecting stdout under python2

[Stefan Sauer <stefkost src gnome org>]

commit 0b348f6757039110719932b699addc7498b89163
Author: Stefan Sauer <ensonic users sf net>
Date:   Wed Jun 21 14:50:12 2017 +0200

    common: handle encoding when redirecting stdout under python2
    
    Fixes https://bugzilla.gnome.org/show_bug.cgi?id=783926

 gtkdoc/common.py |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gtkdoc/common.py b/gtkdoc/common.py
index f93b72e..09e7bc0 100644
--- a/gtkdoc/common.py
+++ b/gtkdoc/common.py
@@ -45,6 +45,10 @@ def setup_logging():
         logging.basicConfig(stream=sys.stdout,
                             level=logging.getLevelName(log_level.upper()),
                             
format='%(asctime)s:%(filename)s:%(funcName)s:%(lineno)d:%(levelname)s:%(message)s')
+    # When redirecting the output on python2 we get UnicodeEncodeError:
+    if not sys.stdout.encoding:
+        import codecs
+        sys.stdout = codecs.getwriter('utf8')(sys.stdout)
 
 
 def UpdateFileIfChanged(old_file, new_file, make_backup):