xliff-remove trans-unit where source=target

remove-same-xliff.py

#!/usr/bin/python2
from lxml import etree
from StringIO import StringIO
import sys

file = str(sys.argv[1])

NS = {'x':'urn:oasis:names:tc:xliff:document:1.2'}


tree = etree.parse(file)
locale_root = tree.getroot()
for trans_node in locale_root.xpath('//x:trans-unit', namespaces=NS):
    source = trans_node.xpath('./x:source/text()', namespaces=NS)
    target = trans_node.xpath('./x:target/text()', namespaces=NS)
    if target == source:
        trans_node.getparent().remove(trans_node)

f = open(file, "w")
f.write(etree.tostring(tree, pretty_print=True, xml_declaration=True))