migrate portlets on site root

context: migration only checked on uid, which left out the portal root

src/collective/exportimport/export_other.py

@@ -639,12 +639,16 @@ def all_portlets(self):
         self.results = []
         portal = api.portal.get()
         portal.ZopeFindAndApply(self.context, search_sub=True, apply_func=self.get_portlets)
+        self.get_root_portlets()
         return self.results
 
-    def get_portlets(self,obj, path):
+    def get_portlets(self, obj, path):
         uid = IUUID(obj, None)
         if not uid:
             return
+        self._get_portlets(obj, uid)
+
+    def _get_portlets(self, obj):
         portlets = export_local_portlets(obj)
         blacklist = export_portlets_blacklist(obj)
         portlets = self.local_portlets_hook(portlets)
@@ -659,6 +663,11 @@ def get_portlets(self,obj, path):
             obj_results["uuid"] = uid
             self.results.append(obj_results)
         return
+
+    def get_root_portlets(self):
+        site = api.portal.get()
+        self._get_portlets(site, PORTAL_PLACEHOLDER)
+        return
 
     def local_portlets_hook(self, portlets):
         return portlets

src/collective/exportimport/import_other.py

@@ -700,7 +700,8 @@ def import_portlets(self, data):
         for item in data:
             obj = api.content.get(UID=item["uuid"])
             if not obj:
-                continue
+                if item["uuid"] == PORTAL_PLACEHOLDER:
+                    obj = api.portal.get()
             registered_portlets = register_portlets(obj, item)
             results += registered_portlets
         return results