first commit

modules/stock_lot_unit/product.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
+from trytond.pyson import Eval
+
+
+class Template(metaclass=PoolMeta):
+    __name__ = 'product.template'
+
+    lot_uom = fields.Many2One('product.uom', "Lot UoM",
+        domain=[
+            ('category', '=', Eval('default_uom_category', -1)),
+            ],
+        states={
+            'invisible': Eval('type') == 'service',
+            },
+        help="The default unit of measure for lot.")
+
+    @classmethod
+    def __register__(cls, module_name):
+        table_h = cls.__table_handler__(module_name)
+
+        # Migration from 6.8: rename lot_unit to lot_uom
+        if (table_h.column_exist('lot_unit')
+                and not table_h.column_exist('lot_uom')):
+            table_h.column_rename('lot_unit', 'lot_uom')
+
+        super().__register__(module_name)
+
+
+class Product(metaclass=PoolMeta):
+    __name__ = 'product.product'