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modules/sale_supply_drop_shipment/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.pool import Pool, PoolMeta
+from trytond.tools import grouped_slice
+
+
+class Product(metaclass=PoolMeta):
+    __name__ = 'product.product'
+
+    @classmethod
+    def recompute_cost_price(cls, products, start=None):
+        pool = Pool()
+        Move = pool.get('stock.move')
+        Shipment = pool.get('stock.shipment.drop')
+        shipments = set()
+        for sub_products in grouped_slice(products):
+            domain = [
+                ('unit_price_updated', '=', True),
+                cls._domain_moves_cost(),
+                ('product', 'in', [p.id for p in sub_products]),
+                ('shipment', 'like', 'stock.shipment.drop,%'),
+                ]
+            if start:
+                domain.append(('effective_date', '>=', start))
+            for move in Move.search(domain, order=[]):
+                shipments.add(move.shipment)
+        shipments = Shipment.browse(list(shipments))
+        Shipment.set_cost(shipments)
+        super().recompute_cost_price(products, start=start)