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overrideodooV9
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raiye hailu

can you please tell me how to override the force_assign method in stock module, in model stock.picking. Especially I want to know how to use the @api.returns  decorator in the case of overriding the force_assign method. force_assign is a small method in stock module of object stock.picking. I am using odoo v9. In case, you need I have copied the code of force_assign here. 

The overriding method should just simply raise a UserError:

def force_assign(self,cr,uid,ids,context=context)
    """changes state to assigned
    @return:True
    """
    res=self.write(cr,uid,ids,{'state':'assigned'},context=context)
    self.check_recompute_pack_op (cr,uid,ids,context=context)
    return res
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Jignesh Mehta
最佳答案

Hello Raiye hailu, 


You need to use super keyword for override any existing method:
EX:-
def force_assign(self,cr,uid,ids,context=context)
     // Put your code
     return super(model_name, self).force_assign(cr, uid, ids, context=context)
Hope it will works for you.
Thanks,

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raiye hailu
编写者

Dear Jignesh, thank you for your response. But it did not work.Odoo simply ignores the method.

raiye hailu
编写者

Dear jignesh. Actually your suggestion works. I had forgotten to put the raise keyword before calling exceptions.UserError

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Jainesh Shah(Aktiv Software)
最佳答案

You can easily Override "force_assign" method as follows (using new api).

@api.multi def force_assign(self):

 "Put Your Warning Here"

-> @api.returns is used when your "return value" is an Object.

i.e @api.returns(self) is written when method returns its own object(self).


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raiye hailu
编写者

Dear Jainesh your solution partially works. The force_assign button no longer changes the state of the record But it is not showing me the error message. My code right now is.

from openerp import exceptions

@api.multi

def force_assign (self):

exceptions.UserError ('error')

What are we missing?

raiye hailu
编写者

I have found out what the code is missing , it is missing the raise keyword before exceptions.UserError statement. Thank you Jainesh for the response.

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raiye hailu
编写者 最佳答案

Thank you guys . I have found that both solutions work. I had forgotten to put the raise keyword before 

calling exceptions.UserError.

Therefore the correct code is:

#new api
@api.multi
    def force_assign(self):
        raise exceptions.UserError('Error') 
#old api
def force_assign(self,cr,uid,ids,context=None)
     raise exceptions.UserError ('Error')
     return super(model_name, self).force_assign(cr, uid, ids, context=context)#this line is not necessarily needed
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