How to limit number of digit for an integer odoo 10

Question

Hi,
I have integer field and i want to limite the number of digit that can be enter if not it should give an error message
for exemple limite numbers in 4 digit
i'm using odoo 10.
Regards

Reem Elobeid · Accepted Answer

You can do it using a constraint on the field.
This will prevent creating or updating a record with a value for the field 'number' that violates the constraint
from odoo.exceptions import UserError, RedirectWarning, ValidationError
#field
number = fields.Integer(string = "My Number")
#constraint
@api.constrains('number')
@api.one
def _check_number(self):
number = self.number
if number and len(str(abs(number))) > 4:
raise ValidationError(_('Number of digits must on exceed 4'))

Jesús Cuevas · Answer

You can use parameter size = 4 in field definition
example -> number = fields.Integer(string = "My Number", size=4)

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