partner-contact/base_continent/base_continent_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
  <data>
        <!-- add continent to res country tree -->
        <record model="ir.ui.view" id="view_country_tree_add_continent">
            <field name="name">res.country.tree.add_continent</field>
            <field name="model">res.country</field>
            <field name="inherit_id" ref="base.view_country_tree" />
            <field name="arch" type="xml">
                <field name="code" position="after">
                    <field name="continent_id"/>
                </field>
            </field>
        </record>

        <!-- add continent to res country form -->
        <record model="ir.ui.view" id="view_country_form_add_continent">
            <field name="name">res.country.form.add_continent</field>
            <field name="model">res.country</field>
            <field name="inherit_id" ref="base.view_country_form"/>
            <field name="arch" type="xml">
                <field name="code" position="after">
                    <field name="continent_id"/>
                </field>
            </field>
        </record>

        <record id="view_continent_tree" model="ir.ui.view">
            <field name="name">res.continent.tree</field>
            <field name="model">res.continent</field>
            <field name="arch" type="xml">
                <tree string="Continent">
                    <field name="name"/>
                </tree>
            </field>
        </record>

        <record id="view_continent_form" model="ir.ui.view">
            <field name="name">res.continent.form</field>
            <field name="model">res.continent</field>
            <field name="arch" type="xml">
                <form string="Continent" version="7.0">
                    <group>
                        <field name="name"/>
                    </group>
                </form>
            </field>
        </record>

        <record id="action_continent" model="ir.actions.act_window">
            <field name="name">Continents</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">res.continent</field>
            <field name="view_type">form</field>
            <field name="help">Display and manage the list of all continents that can be assigned to your partner records.</field>
        </record>

        <menuitem action="action_continent" id="menu_continent_partner" parent="base.menu_localisation" sequence="1" groups="base.group_no_one"/>

        <!-- add continent to res partner form -->
        <record model="ir.ui.view" id="res_partner_form_add_continent">
            <field name="name">res.partner.form.add_continent</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_partner_form"/>
            <field name="arch" type="xml">
                <field name="country_id" position="after">
                    <field name="continent_id" widget="selection"/>
                </field>
            </field>
        </record>

  </data>
</openerp>