ppxml

#!/usr/bin/env python
import sys
import StringIO
 
from lxml import etree
 
def main():
    xml_text = sys.stdin.read()
    parser = etree.XMLParser(remove_blank_text=True)
    file_obj = StringIO.StringIO(xml_text)
    tree = etree.parse(file_obj, parser)
    print(etree.tostring(tree, pretty_print=True))
 
if __name__ == '__main__':
    main()