locale.getdefaultlocale() fails on OS X

jheinen · jheinen · commit 2f64c8fa1ec1 · 2015-09-03T15:01:05.000+02:00
For any reason ``locale.getdefaultlocale()`` fails on OS X (returns None), which subsequently produces errors and makes the ``matplotlib`` module unusable. Checking for a ``None`` result and then setting the default encoding to ``"utf-8"`` seems to help.
diff --git a/lib/matplotlib/__init__.py b/lib/matplotlib/__init__.py
@@ -992,6 +992,8 @@ def _open_file_or_url(fname):
     else:
         fname = os.path.expanduser(fname)
         encoding = locale.getdefaultlocale()[1]
+        if encoding == None:
+            encoding = "utf-8"
         with io.open(fname, encoding=encoding) as f:
             yield f
 
