Account invoice inheritance

invoice inheritance v7

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Souleyman Rapaya

I want to create a class which inherits from account.invoice in order to modify the _amount_all method.
I already create this method in my module:

class account_invoice(osv.osv):
_inherit = 'account.invoice'

   def _amount_all(self, cr, uid, ids, name, args, context=None):
        res = super(account_invoice, self)._amount_all(cr, uid, ids, name, args, context)
        # My operations
        return res

But when installed, my method is never called.

Is there another way for doing this inheritance?

Zbik

Mejor respuesta

In addition, in your module, you redefine all culumns where _amount_all is called. For v7:

_columns = {

        'amount_untaxed': fields.function(_amount_all, digits_compute=dp.get_precision('Account'), string='Subtotal', track_visibility='always',
            store={
                'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
                'account.invoice.tax': (_get_invoice_tax, None, 20),
                'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
            },
            multi='all'),

        'amount_tax': fields.function(_amount_all, digits_compute=dp.get_precision('Account'), string='Tax',
            store={
                'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
                'account.invoice.tax': (_get_invoice_tax, None, 20),
                'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
            },
            multi='all'),

        'amount_total': fields.function(_amount_all, digits_compute=dp.get_precision('Account'), string='Total',
            store={
                'account.invoice': (lambda self, cr, uid, ids, c={}: ids, ['invoice_line'], 20),
                'account.invoice.tax': (_get_invoice_tax, None, 20),
                'account.invoice.line': (_get_invoice_line, ['price_unit','invoice_line_tax_id','quantity','discount','invoice_id'], 20),
            },
            multi='all'),

}

The method will be called.

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