How to create 2 fields that use and change each other's value?

user_3701393 0
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I want to create 2 fields in model namely field_a, and field_b such that:

  • when field_a's value is changed, change value of field_b using value of field_a in the calculation
  • when field_b's value is changed, change value of field_a using value of field_b in the calculation

I tried using onchange on both fields to update each other's value, but it results in a pretty ugly bug that inconsistently updates the values.

I would like to know a solution that works consistently.

Note: Both fields will be used by other fields as well.

odoo-14 odoo
1 Answers

You can use @api.depends here and define a compute method for each field.

field_a = fields.Char()
field_b = fields.Char()

@api.depends('field_b')
def get_updated_value_from_b(self):
    # Your logic to change fields values depending on other
    # assign updated values to your fields
    field_a = new_value_a

@api.depends('field_a')
def get_updated_value_from_a(self):
    # Your logic to change fields values depending on other
    # assign updated values to your fields
    field_b = new_value_b
user_122617520
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