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

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@32069 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/ImageField.py

@@ -138,6 +138,10 @@ class ImageFieldWidget(Widget.TextWidget):
       if image_data is None:
         return draw_frame_node
 
+      # Big images are cut into smaller chunks, so it's required to cast to
+      # str. See OFS/Image -> _read_data method for more informations
+      image_data = str(image_data)
+
       format = content_type.split('/')[-1]
       # add the image to the odg document
       picture_path = ooo_builder.addImage(image=image_data, format=format)