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modules/account_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 fields
+from trytond.pool import Pool, PoolMeta
+from trytond.pyson import Eval
+
+
+class Configuration(metaclass=PoolMeta):
+    __name__ = 'account.configuration'
+
+    default_category_account_expense = fields.MultiValue(fields.Many2One(
+            'account.account', 'Default Account Expense',
+            domain=[
+                ('type.expense', '=', True),
+                ('company', '=', Eval('context', {}).get('company', -1)),
+                ]))
+    default_category_account_revenue = fields.MultiValue(fields.Many2One(
+            'account.account', 'Default Account Revenue',
+            domain=[
+                ('type.revenue', '=', True),
+                ('company', '=', Eval('context', {}).get('company', -1)),
+                ]))
+
+    @classmethod
+    def multivalue_model(cls, field):
+        pool = Pool()
+        if field in {'default_category_account_expense',
+                'default_category_account_revenue'}:
+            return pool.get('account.configuration.default_account')
+        return super().multivalue_model(field)
+
+
+class ConfigurationDefaultAccount(metaclass=PoolMeta):
+    __name__ = 'account.configuration.default_account'
+    default_category_account_expense = fields.Many2One(
+        'account.account', "Default Account Expense",
+        domain=[
+            ('type.expense', '=', True),
+            ('company', '=', Eval('company', -1)),
+            ])
+    default_category_account_revenue = fields.Many2One(
+        'account.account', "Default Account Revenue",
+        domain=[
+            ('type.revenue', '=', True),
+            ('company', '=', Eval('company', -1)),
+            ])