[ADD] util.inherits_parents

Function that yield inherit*s* parent and the delegate m2o field.

Author: KangOl

src/base/tests/test_util.py

@@ -1092,6 +1092,12 @@ def test_direct_inherit_parents(self):
         self.assertTrue(all(inh.model == "product.product" for inh in inhs))
         self.assertEqual([inh.via for inh in inhs], [None, None, "product_tmpl_id"])
 
+    def test_inherits_parents(self):
+        self.assertEqual(
+            list(util.inherits_parents(self.env.cr, "crm.team")),
+            [("mail.alias", "alias_id")],
+        )
+
 
 class TestNamedCursors(UnitTestCase):
     @staticmethod

src/util/inherit.py

@@ -95,7 +95,7 @@ def for_each_inherit(cr, model, skip=(), interval="[)"):
 
 
 def direct_inherit_parents(cr, model, skip=(), interval="[)"):
-    """Yield the *direct* inherits parents."""
+    """Yield the *direct* inherit parents."""
     if skip == "*":
         return
     skip = set(skip)
@@ -122,3 +122,19 @@ def inherit_parents(cr, model, skip=(), interval="[)"):
         for grand_parent in inherit_parents(cr, parent, skip=skip, interval=interval):
             yield grand_parent
             skip.add(grand_parent)
+
+
+def inherits_parents(cr, model, skip=(), interval="[)"):
+    """Yield the inherit*s* parents."""
+    if skip == "*":
+        return
+    skip = set(skip)
+
+    for parent, inh in direct_inherit_parents(cr, model, skip, interval):
+        if inh.via:
+            yield parent, inh.via
+            skip.add(parent)
+        else:
+            for grand_parent, fieldname in inherits_parents(cr, parent, skip, interval):
+                yield grand_parent, fieldname
+                skip.add(grand_parent)