Big images are cut into smaller chunks, so it's required to cast to str. See...

Big images are cut into smaller chunks, so it's required to cast to str. See OFS/Image -> _read_data method for more informations

reviewed by Kazuhiko


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@32063 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Image.py

@@ -348,7 +348,9 @@ class Image(File, OFSImage):
       except KeyError:
         mime, image = self._makeDisplayPhoto(**kw)
         self.setConversion(image, mime, **kw)
-      return mime, image.data
+      # Big images are cut into smaller chunks, so it's required to cast to
+      # str. See OFS/Image -> _read_data method for more informations
+      return mime, str(image.data)
     return self.getContentType(), self.getData()
 
   security.declareProtected(Permissions.View, 'getSearchableText')