how to compute Len() of list python

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how to compute Len() of list python

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python2.7 odooV8

B.hind

hi ,

i want to compute length of list by function and store result in the empty field , i have done this but it isnt working

count_line = fields.Integer('Result')

    @api.multi
    def on_change_lines_ids(self,line_ids):
        if line_ids :
                for line in line_ids :
                    x = len(line_ids)
                    self.count_line = x
                raise except_orm(_('Bien fait !'))

thanks to help me

Mohammed Amal N

Best Answer

Hi for this you can use decorators onchange or depends

I'll show an example of onchange. for this I believe line_ids is a many2many or one2many field with more than one record.and you want to store its length to a field

count_line = fields.Integer('Result')

@api.onchange('line_ids')
def onchange_line_ids(self):

self.count_line = len(self.line_ids)

Hilar Andikkadavath

Good

galewinston

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