How to get parent of a node with some specific value in xml using lxml python

Question

I am new to xml, and have problem in parsing it. I have following xml:

<bookstore>
  <book>
    <name>abc</name>
    <price>30</price>
  </book>
  <book>
     <name>Learning XML</name>
     <price>56</price>
  </book>
  <book>
     <name>Learning Java</name>
     <price>340</price>
  </book>
  <book>
     <name>Learning Python</name>
     <price>560</price>
  </book>
</bookstore>

I want to get the name of book whose price is 30. How to do that using lml python

har07 · Accepted Answer · 2015-03-17 10:57:48Z

1

You can use following XPath to select <name> element of <book> whose <price> equals 30 :

//book[price=30]/name

Python example :

from lxml import etree
tree = etree.parse('path_to_your_xml.xml')
result = tree.xpath('//book[price=30]/name')[0]
print result.text
#above printed abc

edited Mar 17, 2015 at 10:57

answered Mar 17, 2015 at 8:22

har07

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