first commit

modules/stock_shipment_cost/carrier.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.model import fields
+from trytond.pool import PoolMeta
+
+
+class Carrier(metaclass=PoolMeta):
+    __name__ = 'carrier'
+
+    shipment_cost_allocation_method = fields.Selection([
+            ('cost', "By Cost"),
+            ], "Allocation Method", required=True,
+        help="Method to allocate shipment cost.")
+
+    @classmethod
+    def default_shipment_cost_allocation_method(cls):
+        return 'cost'