Register Product and override MissingFunction fields

issue5087

__init__.py

@@ -12,6 +12,7 @@ def register():
         Move,
         Category,
         Template,
+        Product,
         Configuration,
         FiscalYear,
         AccountMove,

product.py

@@ -12,7 +12,7 @@ from trytond.pool import Pool, PoolMeta
 from trytond.modules.account_product import MissingFunction
 from trytond.modules.product import price_digits, TemplateFunction
 
-__all__ = ['Category', 'Template', 'UpdateCostPriceAsk',
+__all__ = ['Category', 'Template', 'Product', 'UpdateCostPriceAsk',
     'UpdateCostPriceShowMove', 'UpdateCostPrice']
 __metaclass__ = PoolMeta
 
@@ -180,6 +180,26 @@ class Template:
                 })
 
 
+class Product:
+    __name__ = 'product.product'
+    # Avoid raise of UserError from MissingFunction
+    account_stock_used = fields.Function(
+        fields.Many2One('account.account', 'Account Stock Used'),
+        'get_template')
+    account_stock_supplier_used = fields.Function(
+        fields.Many2One('account.account', 'Account Stock Supplier Used'),
+        'get_template')
+    account_stock_customer_used = fields.Function(
+        fields.Many2One('account.account', 'Account Stock Customer Used'),
+        'get_template')
+    account_stock_production_used = fields.Function(
+        fields.Many2One('account.account', 'Account Stock Production Used'),
+        'get_template')
+    account_stock_lost_found_used = fields.Function(
+        fields.Many2One('account.account', 'Account Stock Lost and Found'),
+        'get_template')
+
+
 class UpdateCostPriceAsk(ModelView):
     'Update Cost Price Ask'
     __name__ = 'product.update_cost_price.ask'