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modules/account_product/analytic_account.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 PoolMeta
+from trytond.pyson import Eval
+
+
+class Rule(metaclass=PoolMeta):
+    __name__ = 'analytic_account.rule'
+
+    product = fields.Many2One(
+        'product.product', "Product", ondelete='CASCADE',
+        context={
+            'company': Eval('company', -1),
+            },
+        depends={'company'})
+    product_category = fields.Many2One(
+        'product.category', "Product Category", ondelete='CASCADE',
+        context={
+            'company': Eval('company', -1),
+            },
+        depends={'company'})
+
+    def match(self, pattern):
+        if 'product_categories' in pattern:
+            pattern = pattern.copy()
+            categories = pattern.pop('product_categories')
+            if (self.product_category is not None
+                    and self.product_category.id not in categories):
+                return False
+        return super().match(pattern)