fix reading OFS.Image objects (use interal api call __bytes__)

plone · Sep 14, 2018 · 63b4f5e · 63b4f5e
1 parent 0e564e6
commit 63b4f5e
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/plone/resource/directory.py b/plone/resource/directory.py
@@ -95,7 +95,9 @@ def readFile(self, path):
             f = self.context.unrestrictedTraverse(path)
         except Exception as e:
             raise IOError(str(e))
-        return f.data
+        if isinstance(f.data, six.binary_type):
+            return f.data
+        return f.data.__bytes__()
 
     def listDirectory(self):
         return [n for n in self.context.objectIds()