Refactor sys.stdout wrapping into a function.

linkcheck/logger/__init__.py

@@ -54,6 +54,14 @@ ContentTypes = dict(
     other=0,
 )
 
+
+def get_stdout_writer (encoding=i18n.default_encoding, errors='replace'):
+    """Get wrapped sys.stdout writer with given encoding and error
+    handling."""
+    Writer = codecs.getwriter(encoding)
+    return Writer(sys.stdout, errors)
+
+
 class LogStatistics (object):
     """Gather log statistics:
     - number of errors, warnings and valid links
@@ -199,8 +207,8 @@ class Logger (object):
         elif 'fd' in args:
             self.fd = args['fd']
         else:
-            Writer = codecs.getwriter(self.output_encoding)
-            self.fd = Writer(sys.stdout, self.codec_errors)
+            self.fd = get_stdout_writer(encoding=self.output_encoding,
+                                        errors=self.codec_errors)
 
     def start_fileoutput (self):
         """Start output to configured file."""