golem/golem_family_minor/golem_member_view.xml

<?xml version="1.0" encoding="utf-8"?>

<!--
Copyright 2016 Fabien Bourgeois <fabien@yaltik.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
-->

<openerp>
  <data>

    <!-- Form -->
    <record model="ir.ui.view" id="minor_restrict_guardian">
      <field name="name">Restrict domain for legal_guardian</field>
      <field name="model">golem.member</field>
      <field name="inherit_id" ref="golem_member_minor.minor_add_form" />
      <field name="arch" type="xml">
        <field name="legal_guardian" position="after">
          <field name="partner_id" invisible="True" required="False" />
        </field>
        <field name="legal_guardian" position="attributes">
          <attribute name="domain">['&amp;', ('family_id', '=', family_id), ('id', '!=', partner_id)]</attribute>
          <attribute name="options">{'no_create': True}</attribute>
        </field>
      </field>
    </record>

  </data>
</openerp>