get the test ordered by time execution for NoseTest

nosetest_time_execution

from lxml import etree


tree = etree.parse("<path to nosetests.xml>")
results = []

for t in tree.xpath("/testsuite/testcase"):
    result = {"class": t.get('classname'),
              "name": t.get('name'),
              "time": t.get('time')}
    results.append(result)

results = sorted(results, key=lambda k: k['time'], reverse=True)
for result in results:
    print "{class}.{name} : {time}".format(**result)