first commit

modules/stock_supply_production/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 datetime import timedelta
+
+from trytond.pool import Pool, PoolMeta
+
+
+class Product(metaclass=PoolMeta):
+    __name__ = 'product.product'
+
+    def get_supply_period(self):
+        'Return the supply period for the product'
+        pool = Pool()
+        Configuration = pool.get('production.configuration')
+        return Configuration(1).supply_period or timedelta(0)