<record id="some_view_id" model="ir.ui.view">
  <field name="name">demo.view.form</field>
  <field name="model">demo.model</field>
  <field name="arch" type="xml">
    <form>
          <sheet>
              <group>
                     <field name="user_id"/>
                     <field name="demo_field"/>
                </group>
          </sheet>
        </form>
</record>

# asume p is the subprocess.Popen command call ffmpeg
os.kill(p.pid, signal.CTRL_C_EVENT)  # parent process get kill too, recording file is not playable
# or 
p.terminate()  # not good, recording file is not playable
# or
p.send_signal(signal.CTRL_C_EVENT) # parent process get kill too, recording file is not playable

func (s *Sample) Append(name string) {
    d := &Stuff{
        name: name,
    }
    s.data = append(s.data, d)
}

func (s Sample) Append(name string) {
    d := &Stuff{
        name: name,
    }
    s.data = append(s.data, d)
}