from odoo import api, fields, models, _

class SignupError(Exception):
    pass


class ck_res_parter(models.Model):

    _name = "res.partner"
    _inherit = "res.partner"
    _description = "Partner"

    @api.model
    def _signup_retrieve_partner(self, token, check_validity=False, raise_exception=False):
        if self.search(['&', '&', ('signup_token', '=', token), ('signup_expiration', '=', False), ('active', '=', False)]):
            partner = self.search(['&', ('signup_token', '=', token), ('active', '=', False)], limit=1)
        else:
            partner = self.search([('signup_token', '=', token)], limit=1)
        if not partner:
            if raise_exception:
                raise SignupError("Signup token '%s' is not valid" % token)
            return False
        if check_validity and not partner.signup_valid:
            if raise_exception:
                raise SignupError("Signup token '%s' is no longer valid" % token)
            return False
        return partner