create compute field in odoo

odoo

compute field is that field which it's value computed by function , so we can make it by the following steps

• create the field and link it with function that will compute it's value 

E.G .

student_number = fields.Integer(string="Student Number", compute='get_student_number') 

• create the function to compute the value 

E.G .

@api.one

def  get_student_number(self):

       student_ids = self.env['student.student'].search([])

       counter = 1

       for rec in student_ids:

             counter = counter+1

       self.student_number = counter

* the function will call automatically when we create record 

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