#1376 remove_deep_batched()

src/ifcopenshell-python/ifcopenshell/file.py

@@ -179,6 +179,14 @@ class file(object):
         :rtype: None
         """
         return self.wrapped_data.remove(inst.wrapped_data)
+        
+    def batch(self):
+        """Low-level mechanism to speed up deletion of large subgraphs"""
+        return self.wrapped_data.batch()
+        
+    def unbatch(self):
+        """Low-level mechanism to speed up deletion of large subgraphs"""
+        return self.wrapped_data.unbatch()
 
     def __iter__(self):
         return iter(self[id] for id in self.wrapped_data.entity_names())

src/ifcopenshell-python/ifcopenshell/util/element.py

@@ -126,6 +126,13 @@ def remove_deep(ifc_file, element):
             ifc_file.remove(ref)
 
 
+def remove_deep_batched(ifc_file, element):
+    # @todo maybe some sort of try-finally mechanism.
+    ifc_file.batch()
+    remove_deep(ifc_file, element)
+    ifc_file.unbatch()
+
+
 def get_representation(element, context, subcontext=None, target_view=None):
     if element.is_a("IfcProduct") and element.Representation:
         for r in element.Representation.Representations: