问OpenERP -如何使用py代码中的列表值更新视图

EN

class mrp_bom(osv.Model):
    _inherit = 'mrp.bom'

    def action_search(self, cr, uid, ids, vals, context=None):
        bom_ids = []
        pd_ids = []
        product_complete = []
        ptemplid = int(self.browse(cr, uid, ids[0], context=context).product_tmpl_id.id)
        mbl_obj = self.pool.get('mrp.bom.line')
        id_s = mbl_obj.search(cr, uid,  [('product_id', '=', ptemplid)])
        for rec in mbl_obj.browse(cr, uid, id_s, context=context):    
            bom_ids.append(rec.bom_id.id) 
        for rec in self.browse(cr, uid, bom_ids, context=context):    
            pd_ids.append(rec.product_id.id)
        pp_obj = self.pool.get('product.product')
        for rec in pp_obj.browse(cr, uid, pd_ids, context=context):    
            product_complete.append('['+ str(rec.default_code) + ']'+ ' ' + str(rec.name_template))
        print "\n\n Inside action_search() product_complete ", product_complete
        # raise osv.except_osv(('Message!'), ('Inside action_search!' ) )
        vals = {'product_id' : product_complete}
        return {'value' : vals}

<record id="bom_where_use_form" model="ir.ui.view">
            <field name="name">bom.where.use.form</field>
            <field name="model">mrp.bom</field>
            <field name="priority" eval="20"/>
            <field name="type">form</field>
            <field name="arch" type="xml">
                <field name="product_tmpl_id" > </field>
                <button name="action_search" string="Search" type="object" class="oe_highlight"/>
                <field name="bom_line_ids" widget="one2many_list">
                    <tree string="Components" editable="bottom">
                        <field name="sequence" widget="handle"/>
                        <field name="product_id" />
                    </tree>
                </field>
                <field name="product_id" /> 
            </field> 
        </record>