Add Function fields on Product from Template

issue5087
review23611002

production.py

@@ -8,7 +8,7 @@ from trytond.pyson import Eval, Bool, If, Id
 from trytond.pool import Pool
 from trytond.transaction import Transaction
 
-from trytond.modules.product import price_digits
+from trytond.modules.product import price_digits, TemplateFunction
 
 __all__ = ['Production', 'AssignFailed', 'Assign']
 

view/product_form.xml

@@ -2,8 +2,10 @@
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
 <data>
-    <xpath expr="/form/field[@name='description']" position="after">
-        <field name="boms" colspan="6"
-            view_ids="production.product-bom_view_list_sequence"/>
+    <xpath expr="/form/notebook" position="inside">
+        <page name="boms">
+            <field name="boms" colspan="4"
+                view_ids="production.product-bom_view_list_sequence"/>
+        </page>
     </xpath>
 </data>