Validador cedula o ruc

gistfile1.py

    def _check_cedula(self, identificador):
        if len(identificador) == 13 and not identificador[10:13] == '001':
            return False
        else:
            if len(identificador) < 10:
                return False
        coef = [2,1,2,1,2,1,2,1,2]
        cedula = identificador[:9]
        suma = 0
        for c in cedula:
            val = int(c) * coef.pop()
            suma += val > 9 and val-9 or val
        result = 10 - ((suma % 10)!=0 and suma%10 or 10)
        if result == int(identificador[9:10]):
            return True
        else:
            return False

    def _check_ruc(self, partner):
        ruc = partner.ced_ruc
        if not len(ruc) == 13:
            return False
        if ruc[2:3] == '9':
            coef = [4,3,2,7,6,5,4,3,2,0]
            coef.reverse()
            verificador = int(ruc[9:10])
        elif ruc[2:3] == '6':
            coef = [3,2,7,6,5,4,3,2,0,0]
            coef.reverse()
            verificador = int(ruc[8:9])
        else:
            raise osv.except_osv('Error', 'Cambie el tipo de persona')
        suma = 0
        for c in ruc[:10]:
            suma += int(c) * coef.pop()
        result = 11 - (suma>0 and suma % 11 or 11)
        if result == verificador:
            return True
        else:
            return False

    def _check_ced_ruc(self, cr, uid, ids):
        partners = self.browse(cr, uid, ids)
        for partner in partners:
            if not partner.ced_ruc:
                return True
            if partner.type_ced_ruc == 'pasaporte':
                return True
            if partner.tipo_persona == '9':
                return self._check_ruc(partner)
            else:
                return self._check_cedula(partner.ced_ruc)