I want to restrict the user to entering only 10 numbers in the phone field. Example: The user enters the number 0553448950 only and cannot add more, noting that this is converted to the international format +966 55 344 8950. What I care about is only preventing the user from adding more than 10 numbers.
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Hi,
Try the following code.
class ResPartner(models.Model):
_inherit = 'res.partner'
@api.constrains('phone')
def _check_phone_length(self):
for rec in self:
if rec.phone:
digits = re.sub(r'\D', '', rec.phone) # Remove non-digit characters
if len(digits) != 10:
raise ValidationError("Phone number must contain exactly 10 digits.")
- Removes all non-digit characters (so +966 55 344 8950 becomes 966553448950)
- Checks if the last 10 digits (i.e., local number) are exactly 10 digits long
- If not, raises a clear ValidationError
Hope it helps
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We don't recommend this:
- the number of digits for a valid phone number varies by country
- sometimes it is useful to enter the extension
You would need to write code to do this, either via a module or via an Automation Rule that counts the characters and blocks the User from saving