first commit

modules/stock_supply/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.
+import datetime
+
+from trytond.model import fields
+from trytond.pool import Pool, PoolMeta
+
+
+class Product(metaclass=PoolMeta):
+    __name__ = "product.product"
+    order_points = fields.One2Many(
+        'stock.order_point', 'product', "Order Points", readonly=True)
+
+    @classmethod
+    def copy(cls, products, default=None):
+        default = default.copy() if default is not None else {}
+        default.setdefault('order_points', None)
+        return super().copy(products, default=default)
+
+
+class ProductSupplier(metaclass=PoolMeta):
+    __name__ = 'purchase.product_supplier'
+
+    def get_supply_period(self):
+        'Return the supply period for the purchase request'
+        pool = Pool()
+        Configuration = pool.get('purchase.configuration')
+        config = Configuration(1)
+        supply_period = config.get_multivalue(
+            'supply_period', company=self.company.id)
+        return supply_period or datetime.timedelta(1)