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sale
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nishad

I want to inherit the existing sale module in to my new custom module which extends current sale module and adds a serial number column to my sale order line tree. But it throws an error like as follows , where am i went wrong ? 

 File "parser.pxi", line 1468, in lxml.etree._parseDocFromFilelike (src/lxml/lxml.etree.c:81783)
 File "parser.pxi", line 1024, in lxml.etree._BaseParser._parseDocFromFilelike (src/lxml/lxml.etree.c:78830)
 File "parser.pxi", line 569, in lxml.etree._ParserContext._handleParseResultDoc (src/lxml/lxml.etree.c:74567)
 File "parser.pxi", line 650, in lxml.etree._handleParseResult (src/lxml/lxml.etree.c:75458)
 File "parser.pxi", line 590, in lxml.etree._raiseParseError (src/lxml/lxml.etree.c:74791)
 XMLSyntaxError: AttValue: " or ' expected, line 31, column 28

view.py

        <record id="view_order_line_tree2" model="ir.ui.view">
        <field name="name">sale.order.line.tree.inherit</field>
        <field name="model">sale.order.line</field>
        <field name="inherit_id" ref=sale.view_order_form/>
        <field name="arch" type="xml">
            <xpath expr="//field[@name='order_line']/tree" position="attributes">
                <attribute name="sl_no"/>
            </xpath>
        </field>
       </record>

sale_modified.py file contents

    class sale_order_line2(osv.osv):

            _inherit = 'sale.order.line'

           _columns = {
              'sl_no': fields.integer("SL No", required=True)
                  }

             _defaults = {
                  'sl_no':1,
                   }

Any hint to solve the above mentioned issue is appreciated .. Thanks in advance

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Sehrish

Sale Order Serial Numbers & Product Images | Auto Numbering & Custom Images in Reports in Odoo
This Odoo module automatically assigns serial numbers to sale order lines and displays product images in reports. If a serial number is manually set to a custom string (e.g., "A"), the next item resets numbering to 1. Additionally, if a product has no image, you can manually upload a custom image for the sale order line—without affecting the original product image.
https://apps.odoo.com/apps/modules/18.0/mh_display_serial_number_and_image

Avatar
Xsias
Best Answer

Are you sure that expr="//field[@name='order_line']/tree" is correct ? Try expr="//field[@name='order_line']".

==========

EDIT

Try this :

<record id="view_order_line_tree2" model="ir.ui.view">
        <field name="name">sale.order.line.tree.inherit</field>
        <field name="model">sale.order</field>
        <field name="inherit_id" ref="sale.view_order_form"/>
        <field name="arch" type="xml">
            <xpath expr="//field[@name='order_line']/tree/field[@name='product_id']" position="before">
                <field name="sl_no"/>
            </xpath>
        </field>
</record>
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nishad
Author

I tried this case but its not working....

Xsias

Can you try my edit ?

nishad
Author

Hi Xsias , it works but a small change , instead of model "sale.order.line" we have to look in to "sale.order" ..... Thanks for your "xpath" expression too....... Hurray....... Thanks all..

nishad
Author

"correct 1"

Xsias

I have edited with your comment. If it does work, don't hesitate to mark the answer as correct. This is to facilitate users future search.

wizardz

This works perfect, but you can't edit the field in the lines right now

Avatar
Hiral Patel (hip)
Best Answer

Hello,

Just replace <xpath> </xpath> with :

<record id="view_sale_orderfor" model="ir.ui.view">
    <field name="name">sale.order.form.inherit5</field>
    <field name="model">sale.order</field>
    <field name="inherit_id" ref="sale.view_order_form"/>
    <field name="arch" type="xml">
        <field name="product_id" position="before">
            <field name="sl_no"/>
        </field>
        <xpath expr="//page[@string='Order Lines']/field[@name='order_line']/tree[@string='Sales Order Lines']/field[@name='product_id']" position="before">
            <field name="sl_no"/>
        </xpath>
    </field>
</record>

Thanks.

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nishad
Author

Hi Hiral unfortunately still the error remains the same ... I doubt am i inheriting the right view in my file ? <field name="inherit_id" ref=sale.view_order_form/>

Hiral Patel (hip)

Hello, I have updated code apply change and try it. You have inherited correct view. :)

nishad
Author

Sorry still it is not showing the sl_no column in my tree .......?

Hiral Patel (hip)

<xpath expr="//page[@string='Order Lines']/field[@name='order_line']/tree[@string='Sales Order Lines']/field[@name='product_id']" position="before"> try this.

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