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modules/product/configuration.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 (
+    ModelSingleton, ModelSQL, ModelView, MultiValueMixin, ValueMixin, fields)
+from trytond.pool import Pool
+from trytond.pyson import Id
+
+default_cost_price_method = fields.Selection(
+    'get_cost_price_methods', "Default Cost Method",
+    help="The default cost price method for new products.")
+
+
+@classmethod
+def get_cost_price_methods(cls):
+    pool = Pool()
+    Template = pool.get('product.template')
+    field_name = 'cost_price_method'
+    return (Template.fields_get([field_name])[field_name]['selection']
+        + [(None, '')])
+
+
+class Configuration(ModelSingleton, ModelSQL, ModelView, MultiValueMixin):
+    __name__ = 'product.configuration'
+
+    default_cost_price_method = fields.MultiValue(default_cost_price_method)
+    get_cost_price_methods = get_cost_price_methods
+    product_sequence = fields.Many2One('ir.sequence', "Variant Sequence",
+        domain=[
+            ('sequence_type', '=', Id('product', 'sequence_type_product')),
+            ],
+        help="Used to generate the last part of the product code.")
+    template_sequence = fields.Many2One('ir.sequence', "Product Sequence",
+        domain=[
+            ('sequence_type', '=', Id('product', 'sequence_type_template')),
+            ],
+        help="Used to generate the first part of the product code.")
+    category_sequence = fields.Many2One(
+        'ir.sequence', "Category Sequence",
+        domain=[
+            ('sequence_type', '=', Id('product', 'sequence_type_category')),
+            ],
+        help="Used to generate the category code.")
+
+    @classmethod
+    def default_default_cost_price_method(cls, **pattern):
+        return cls.multivalue_model(
+            'default_cost_price_method').default_default_cost_price_method()
+
+
+class ConfigurationDefaultCostPriceMethod(ModelSQL, ValueMixin):
+    __name__ = 'product.configuration.default_cost_price_method'
+    default_cost_price_method = default_cost_price_method
+    get_cost_price_methods = get_cost_price_methods
+
+    @classmethod
+    def default_default_cost_price_method(cls):
+        return 'fixed'