first commit

modules/carrier_carriage/incoterm.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 Incoterm(metaclass=PoolMeta):
+    __name__ = 'incoterm.incoterm'
+
+    before_carrier = fields.Selection([
+            ('buyer', "Buyer"),
+            ('seller', "Seller"),
+            ], "Before Carrier",
+        help="Who contracts carriages before main carriage.")
+    after_carrier = fields.Selection([
+            ('buyer', "Buyer"),
+            ('seller', "Seller"),
+            ], "After Carrier",
+        help="Who contracts carriages after main carriage.")
+
+    @classmethod
+    def __register__(cls, module_name):
+        table_h = cls.__table_handler__(module_name)
+        super().__register__(module_name)
+        # Migration from 7.6: remove required on before/after_carrier
+        # to permit to create new incoterm in incoterm module
+        table_h.not_null_action('before_carrier', 'remove')
+        table_h.not_null_action('after_carrier', 'remove')