ERP5Workflow: fix installation of bt when objects to install are Persistent Mapping Folders

product/ERP5/Document/BusinessTemplate.py

@@ -94,6 +94,8 @@ from ZODB.broken import Broken, BrokenModified
 from Products.ERP5.genbt5list import BusinessTemplateRevision, \
   item_name_list, item_set
 
+from Products.ERP5Type.Core.Folder import PERSISTENT_MAPPING_HANDLER
+
 CACHE_DATABASE_PATH = None
 try:
   if int(os.getenv('ERP5_BT5_CACHE', 0)):
@@ -1368,15 +1370,21 @@ class ObjectTemplateItem(BaseTemplateItem):
           # because they change when we add subobjects
           groups[path] = deepcopy(obj.groups)
         # copy the object
-        if (getattr(aq_base(obj), '_mt_index', None) is not None and
-            obj._count() == 0):
-          # some btrees were exported in a corrupted state. They're empty but
-          # their metadata-index (._mt_index) contains entries which in
-          # Zope 2.12 are used for .objectIds(), .objectValues() and
-          # .objectItems(). In these cases, force the
-          LOG('Products.ERP5.Document.BusinessTemplate', WARNING,
-              'Cleaning corrupted BTreeFolder2 object at %r.' % (path,))
-          obj._initBTrees()
+        if getattr(obj, '_folder_handler', None) == PERSISTENT_MAPPING_HANDLER:
+          # XXX(WORKFLOW): if obj._count(), then, we should export the content
+          # of the btree folder to the persistent mapping one
+          obj._cleanup()
+          obj.__init__(obj.id)
+        else:
+          if (getattr(aq_base(obj), '_mt_index', None) is not None and
+              obj._count() == 0):
+            # some btrees were exported in a corrupted state. They're empty but
+            # their metadata-index (._mt_index) contains entries which in
+            # Zope 2.12 are used for .objectIds(), .objectValues() and
+            # .objectItems(). In these cases, force the
+            LOG('Products.ERP5.Document.BusinessTemplate', WARNING,
+                'Cleaning corrupted BTreeFolder2 object at %r.' % (path,))
+            obj._initBTrees()
         obj = obj._getCopy(container)
         self.removeProperties(obj, 0)
         __traceback_info__ = (container, object_id, obj)