49 lines
1.8 KiB
Diff
49 lines
1.8 KiB
Diff
diff --git a/tryton/modules/product/message.xml b/tryton/trytond/trytond/modules/product/message.xml
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index d77bc0e..d8b1f2f 100644
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--- a/tryton/modules/product/message.xml
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+++ b/tryton/modules/product/message.xml
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@@ -24,5 +24,8 @@ this repository contains the full copyright notices and license terms. -->
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<record model="ir.message" id="msg_invalid_code">
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<field name="text">The %(type)s "%(code)s" for product "%(product)s" is not valid.</field>
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</record>
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+ <record model="ir.message" id="msg_product_code_unique">
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+ <field name="text">Code of active product must be unique.</field>
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+ </record>
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</data>
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</tryton>
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diff --git a/tryton/modules/product/product.py b/tryton/trytond/trytond/modules/product/product.py
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index 7207c02..559329e 100644
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--- a/tryton/modules/product/product.py
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+++ b/tryton/modules/product/product.py
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@@ -7,12 +7,13 @@ from importlib import import_module
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import stdnum
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import stdnum.exceptions
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-from sql import Null, Column
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+from sql import Null, Column, Literal
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+from sql.operators import Equal
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from trytond.i18n import gettext
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from trytond.model import (
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ModelView, ModelSQL, Model, UnionMixin, DeactivableMixin, sequence_ordered,
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- fields)
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+ Exclude, fields)
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from trytond.pyson import Eval
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from trytond.transaction import Transaction
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from trytond.pool import Pool
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@@ -238,6 +239,14 @@ class Product(
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super(Product, cls).__setup__()
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+ t = cls.__table__()
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+ cls._sql_constraints = [
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+ ('code_exclude', Exclude(t, (t.code, Equal),
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+ where=(t.active == Literal(True))
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+ & (t.code != '')),
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+ 'product.msg_product_code_unique'),
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+ ]
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+
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for attr in dir(Template):
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tfield = getattr(Template, attr)
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if not isinstance(tfield, fields.Field):
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