Set the default product_uos_qty based on a custom field in the product form

Question

I'm customizing Odoo 8.0 to support sale of Real Estate properties by each property's Gross internal Area (GIA) in square metres. I have created a custom model extending the *product.template* model with the following field
*'qty_gia': fields.integer('Floor Space', help="Gross internal area of property")*
How do I create a function that will set the *qty_gia* value as the default *product_uos_qty* and *quantity* values in the *sale_order_line* and *account.invoice.line* models respectively?

Nikunj Antala · Answer

I think you can write onchange method on sale_order_line and account_invoice_line. so, while creating sale_order_line or account_invoice_line product_uos_qty will auto-populate form product screen.
def onchange_product(self)
for line in self:
line.product_uos_qty=line.product_id.qty_gia
This code is for your reference. it may not be directly work.

Hope this help.

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