flectra/addons/stock_account/data/stock_account_data.xml

<?xml version="1.0" encoding="utf-8"?>
<flectra>
    <data noupdate="1">
        <record forcecreate="True" id="default_cost_method" model="ir.property">
            <field name="name">Cost Method Property</field>
            <field name="fields_id" ref="field_product_template_property_cost_method"/>
            <field name="value" eval="False" />
            <field name="type">selection</field>
        </record>
        <record forcecreate="True" id="default_valuation" model="ir.property">
            <field name="name">Valuation Property</field>
            <field name="fields_id" ref="field_product_template_property_valuation"/>
            <field name="value" eval="False" />
            <field name="type">selection</field>
        </record>

        <record forcecreate="True" id="default_category_cost_method" model="ir.property">
            <field name="name">Cost Method Property</field>
            <field name="fields_id" ref="field_product_category_property_cost_method"/>
            <field name="value">standard</field>
            <field name="type">selection</field>
        </record>
        <record forcecreate="True" id="default_category_valuation" model="ir.property">
            <field name="name">Valuation Property</field>
            <field name="fields_id" ref="field_product_category_property_valuation"/>
            <field name="value">manual_periodic</field>
            <field name="type">selection</field>
        </record>
    </data>
</flectra>