xpath提取标签和内容

转：https://segmentfault.com/q/1010000012110138/a-1020000012113020

<div>

   <table>

      <tr>

         <td class="td class">Row value 1</td>

         <td class="td class">Row value 2</td>

      </tr>

      <tr>

         <td class="td class">Row value 3</td>

         <td class="second td class">Row value 4</td>

      </tr>

      <tr>

         <td class="third td class">Row value 1</td>

         <td class="td class">Row value 1</td>

      </tr>

   </table>

</div>

如何把table标签提取出来，结果如下：

<table>

  <tr>

     <td class="td class">Row value 1</td>

     <td class="td class">Row value 2</td>

  </tr>

  <tr>

     <td class="td class">Row value 3</td>

     <td class="second td class">Row value 4</td>

  </tr>

  <tr>

     <td class="third td class">Row value 1</td>

     <td class="td class">Row value 1</td>

  </tr>

</table>

代码如下：

tree = etree.HTML(html)

content = tree.xpath('//div/table')[0]

print(content)

# <Element div at 0x1bce7463548>

# 即：如何将Element对象转成str类型

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xpath提取标签和内容

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