Calling onchange product_id_change() method

Question

Hello,
I'm trying to call a product_id_change method becouse i'd like to change the currency in every sale order line by changing date_order.  By using below code i'm getting an error : product_id_change() takes at least 6 arguments (5 given). Which arguments should i use?

@api.onchange('date_order')
def change_currency_rate(self):
for line in self.order_line:
line.product_id_change()

Kirubanidhi Rajarathinam · Answer

Try to use this code
@api.onchange('date_order')
def change_currency_rate(self):
for line in self.order_line:
val=product_id_change(line)
def product_id_change(self,line):
----code

mkeska@smartspace.pl · Answer

I know that i have to this but i don't know which of these arguments i have to pass. This is def i want to call:
def product_id_change(self, cr, uid, ids, pricelist, product, qty=0, uom=False, qty_uos=0, uos=False, name='', partner_id=False, lang=False, update_tax=True, date_order=False, packaging=False, fiscal_position=False, flag=False, context=None):
I'm using models.Model in version 8

Krupesh Laiya · Answer

You have to pass the parameter to the product_id_change function
data = line.product_id_change(self._cr, self._uid, [], pricelist, product, qty, uom, qty_uos, uos,name,partner_id,lang, update_tax, date_order, packaging, fiscal_position, flag, context=self._context)

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