first commit

modules/account_asset/purchase.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.i18n import gettext
+from trytond.modules.account_product.exceptions import AccountError
+from trytond.pool import PoolMeta
+
+
+class Line(metaclass=PoolMeta):
+    __name__ = 'purchase.line'
+
+    def get_invoice_line(self):
+        invoice_lines = super().get_invoice_line()
+        if (self.product
+                and self.product.type == 'assets'
+                and self.product.depreciable):
+            for invoice_line in invoice_lines:
+                if invoice_line.product == self.product:
+                    invoice_line.account = self.product.account_asset_used
+                    if not invoice_line.account:
+                        raise AccountError(
+                            gettext('account_asset'
+                                '.msg_purchase_product_missing_account_asset',
+                                purchase=self.purchase.rec_name,
+                                product=self.product.rec_name))
+        return invoice_lines