Allow export of type relations in IFCCSV

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

@@ -53,6 +53,15 @@ def get_properties(properties):
     return results
 
 
+def get_type(element):
+    if hasattr(element, 'IsTypedBy') and element.IsTypedBy:
+        return element.IsTypedBy[0].RelatingType
+    elif hasattr(element, 'IsDefinedBy') and element.IsDefinedBy: # IFC2X3
+        for relationship in element.IsDefinedBy:
+            if relationship.is_a('IfcRelDefinesByType'):
+                return relationship.RelatingType
+
+
 def replace_attribute(element, old, new):
     for i, attribute in enumerate(element):
         if attribute == old:

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

@@ -210,6 +210,13 @@ class Selector():
         return results
 
     def get_element_value(self, element, key):
+        if '.' in key \
+                and key.split('.')[0] == 'type':
+            try:
+                element = ifcopenshell.util.element.get_type(element)
+            except:
+                return
+            key = '.'.join(key.split('.')[1:])
         info = element.get_info()
         if key in info:
             return info[key]