add fields uom_id

odex25_purchase/odex25_purchase_coc/security/security.xml

@@ -4,6 +4,7 @@
         <record id="module_category_purchase_management" model="ir.module.category">
             <field name="name">Purchase Management</field>
         </record>
+
         <!-- Purchase COC groups -->
         <record id="group_coc_user" model="res.groups">
             <field name="name">COC User</field>
@@ -19,6 +20,5 @@
             <field name="name">COC Menu</field>
             <field name="category_id" ref="odex25_purchase_coc.module_category_purchase_management"/>
         </record>
-
     </data>
 </odoo>

odex25_purchase/purchase_requisition_custom/models/purchase_request.py

@@ -305,7 +305,8 @@ class PurchaseRequestLine(models.Model):
     product_id = fields.Many2one(comodel_name='product.product', string='Item')
     description=fields.Char("Description")
     qty = fields.Integer(string='Qty')
-    uom_id = fields.Many2one(related='product_id.uom_id')
+    uom_id = fields.Many2one('uom.uom',
+        related='product_id.uom_po_id',readonly=True)
 
 
     def _product_id_change(self):

odex25_purchase/purchase_requisition_custom/views/purchase_request.xml

@@ -100,6 +100,8 @@
                                                options="{'no_create' : True , 'no_edit' : True ,'no_open' : True}"
                                                optional="show"
                                                 required="1"/>
+
+                                        <field name="uom_id"/>
                                         <field name="description"/>
 
                                         <field name="qty"