Merge pull request #963 from cgohlke/patch-1

WeatherGod · WeatherGod · commit cbb11da327ae · 2012-07-18T09:21:47.000-07:00
Add detection of file extension for file-like objects
diff --git a/lib/matplotlib/image.py b/lib/matplotlib/image.py
@@ -1170,6 +1170,9 @@ def pilread():
         if cbook.is_string_like(fname):
             basename, ext = os.path.splitext(fname)
             ext = ext.lower()[1:]
+        elif hasattr(fname, 'name'):
+            basename, ext = os.path.splitext(fname.name)
+            ext = ext.lower()[1:]
         else:
             ext = 'png'
     else:
