ATField (without base64 data) -> DXField: data missing about collective.exportimport HOT 1 CLOSED

@adapter(IBlobField, IBaseObject, IContentexportLayer)
@implementer(IFieldSerializer)
class CustomATFileFieldSerializerWithBlobs(ATDefaultFieldSerializer):
    def __call__(self):
        file_obj = self.field.get(self.context)
        if not file_obj:
            return None
        oid = file_obj._p_oid
        tid = file_obj._p_serial
        fshelper = file_obj._p_jar._storage.fshelper
        blobfilepath = fshelper.layout.getBlobFilePath(oid, tid)
        result = {
            "filename": self.field.getFilename(self.context),
            "content-type": self.field.getContentType(self.context),
            "blob_path": blobfilepath,
        }
        return json_compatible(result)

  <adapter zcml:condition="installed plone.app.blob"
      factory=".serializer.BrainATFileFieldSerializerWithBlobs" />