[ADD] available quants on lots

models/stock_production_lot.py

 # Copyright 2021 Le Filament (<http://www.le-filament.com>)
+# Copyright 2017 Open For Small Business Ltd
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 import datetime
 import re
@@ -60,3 +61,12 @@ class FumocStockProductionLot(models.Model):
         for field, value in dates_dict.items():
             setattr(self, field, value)
 
+    # function copied from https://github.com/odoonz/odoonz-addons/tree/14.0/stock_prodlot_qty
+    # Copyright 2017 Open For Small Business Ltd
+    def name_get(self):
+        res = super().name_get()
+        if self.env.context.get("show_qty"):
+            res = self.browse([r[0] for r in res]).mapped(
+                lambda r: (r.id, r.name + " (en stock : %.0f)" % r.product_qty)
+            )
+        return res

views/stock_move_line.xml

@@ -10,13 +10,28 @@
             <field name="inherit_id" ref="product_expiry.view_stock_move_line_detailed_operation_tree_expiry"/>
             <field name="priority" eval="8"/>
             <field name="arch" type="xml">
+                <field name="lot_id" position="attributes">
+                    <attribute name="context">{'default_product_id': product_id, 'default_company_id': company_id, 'active_picking_id': picking_id, 'show_qty': True}</attribute>
+                </field>
                 <xpath expr="//field[@name='expiration_date']" position="attributes">
                     <attribute name="string">DLC</attribute>
-                    <attribute name="attrs">{'column_invisible': [('parent.show_lots_text', '=', True)]}</attribute>
+                    <attribute name="attrs">{'column_invisible': [('parent.show_lots_text', '=', True)], 'readonly': [('picking_type_use_existing_lots', '=', True)]}</attribute>
                     <attribute name="widget">date</attribute>
                 </xpath>
             </field>
         </record>
 
+        <record id="fumoc_stock_move_line_operation_tree_inherit" model="ir.ui.view">
+            <field name="name">fumoc_sale.stock.move.line.op.tree</field>
+            <field name="model">stock.move.line</field>
+            <field name="inherit_id" ref="product_expiry.view_stock_move_line_operation_tree_expiry"/>
+            <field name="priority" eval="8"/>
+            <field name="arch" type="xml">
+                <field name="lot_id" position="attributes">
+                    <attribute name="context">{'default_product_id': parent.product_id, 'default_company_id': parent.company_id, 'active_picking_id': picking_id, 'show_qty': True}</attribute>
+                </field>
+            </field>
+        </record>
+
     </data>
 </odoo>