Guys.
 Help, please.
This is my base tree view.

<record model="ir.ui.view" id="tree_mymodel">
    <field name="name">>mymodel.tree</field>
    <field name="model">mymodel.model</field>
    <field name="arch" type="xml">
        <tree>
            <field name="name" />
            <field name="description"/>
            <field name="published"/>
            <field name="image"/>
        </tree>
    </field>
</record>

i need input type="text" field and my button that will be run python code on server side in the top of tree view instead default buttons Create and Import. Also i need data from input type="text" field get in python code. How to build this schema?