first commit

modules/purchase_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'
+    carrier_cost_allocation_method = fields.Selection([
+            ('value', 'By Value'),
+            ], 'Carrier Cost Allocation Method', required=True)
+
+    @staticmethod
+    def default_carrier_cost_allocation_method():
+        return 'value'