The absolute path of the uploaded file is passed to the RenameForm, which includes MEDIA_ROOT. This path is validated to not contain dots. The MEDIA_ROOT should be allowed to contain dots, the form should only validate the parts of the path that are not part of MEDIA_ROOT.
The absolute path of the uploaded file is passed to the RenameForm, which includes MEDIA_ROOT. This path is validated to not contain dots. The MEDIA_ROOT should be allowed to contain dots, the form should only validate the parts of the path that are not part of MEDIA_ROOT.