title: Email wizzard in odoo 9
body: <p>I need in custom module add button Send on Email as in "Purchase" or "Sale".</p>
  
  <pre class="lang-xml prettyprint-override"><code>&lt;button string="Send on email" class="oe_highlight" type="object" name="send_on_email" /&gt;
  </code></pre>
  
  <pre class="lang-py prettyprint-override"><code>@api.multi
  def send_on_email(self):
      self.ensure_one()
      ir_model_data = self.env['ir.model.data']
  
      ??????
  </code></pre>
  
  <p>How generate and add file to attachment? On this form I have print button for that model. </p>
  
  <p>Print get on this:</p>
  
  <pre class="lang-xml prettyprint-override"><code>&lt;report 
      id="print_my_qweb"
      model="my.model"
      string="Export to PDF"
      report_type="qweb-pdf"
      name="my.model.report_single"
      file="my.model.report_single"
  /&gt;
  </code></pre>