ITSA points 28.06

modules/purchase_trade/configuration.py

@@ -4,6 +4,28 @@ from trytond.pyson import Eval
 from trytond.transaction import Transaction
 
 
+class PurchaseConfiguration(metaclass=PoolMeta):
+    __name__ = 'purchase.configuration'
+
+    allow_modification_after_validation = fields.Boolean(
+        "Autorise modification after validation")
+
+    @classmethod
+    def default_allow_modification_after_validation(cls):
+        return False
+
+
+class SaleConfiguration(metaclass=PoolMeta):
+    __name__ = 'sale.configuration'
+
+    allow_modification_after_validation = fields.Boolean(
+        "Autorise modification after validation")
+
+    @classmethod
+    def default_allow_modification_after_validation(cls):
+        return False
+
+
 class AccountConfiguration(metaclass=PoolMeta):
     __name__ = 'account.configuration'