Store directly sequence type to sequence

issue10122
review351381002

ir.xml

@@ -5,7 +5,6 @@ this repository contains the full copyright notices and license terms. -->
     <data>
         <record model="ir.sequence.type" id="sequence_type_stock_lot">
             <field name="name">Stock Lot</field>
-            <field name="code">stock.lot</field>
         </record>
         <record model="ir.sequence.type-res.group" id="sequence_type_stock_lot_group_admin">
             <field name="sequence_type" ref="sequence_type_stock_lot"/>

product.py

@@ -4,7 +4,7 @@ from sql import Table
 
 from trytond.config import config
 from trytond.model import ModelSQL, ValueMixin, fields
-from trytond.pyson import Eval
+from trytond.pyson import Eval, Id
 from trytond.pool import PoolMeta, Pool
 from trytond.transaction import Transaction
 
@@ -16,7 +16,8 @@ class Configuration(metaclass=PoolMeta):
         fields.Many2One(
             'ir.sequence', "Default Lot Sequence",
             domain=[
-                ('code', '=', 'stock.lot'),
+                ('sequence_type', '=',
+                    Id('stock_lot', 'sequence_type_stock_lot')),
                 ]))
 
 
@@ -26,7 +27,8 @@ class ConfigurationDefaultLotSequence(ModelSQL, ValueMixin):
     default_lot_sequence = fields.Many2One(
         'ir.sequence', "Default Lot Sequence",
         domain=[
-            ('code', '=', 'stock.lot'),
+            ('sequence_type', '=',
+                Id('stock_lot', 'sequence_type_stock_lot')),
             ])
 
 
@@ -48,7 +50,7 @@ class Template(metaclass=PoolMeta):
     lot_sequence = fields.Many2One(
         'ir.sequence', "Lot Sequence",
         domain=[
-            ('code', '=', 'stock.lot'),
+            ('sequence_type', '=', Id('stock_lot', 'sequence_type_stock_lot')),
             ],
         states={
             'invisible': ~Eval('type').in_(['goods', 'assets']),

stock.py

@@ -125,11 +125,10 @@ class Lot(ModelSQL, ModelView, LotMixin, StockMixin):
     def _new_number(cls, values):
         pool = Pool()
         Product = pool.get('product.product')
-        Sequence = pool.get('ir.sequence')
         if values.get('product'):
             product = Product(values['product'])
             if product.lot_sequence:
-                return Sequence.get_id(product.lot_sequence.id)
+                return product.lot_sequence.get()
 
     @classmethod
     @check_no_move

tests/scenario_stock_lot_number.rst

@@ -15,7 +15,10 @@ Activate modules::
 Create lot sequence::
 
     >>> Sequence = Model.get('ir.sequence')
-    >>> sequence = Sequence(name="Lot", code='stock.lot')
+    >>> SequenceType = Model.get('ir.sequence.type')
+    >>> sequence_type, = SequenceType.find(
+    ...     [('name', '=', "Stock Lot")], limit=1)
+    >>> sequence = Sequence(name="Lot", sequence_type=sequence_type)
     >>> sequence.save()
 
 Set default sequence::