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#!/usr/bin/env python
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""A simple tool to go through histograms.xml and print out the owners for
histograms.
"""
import os
import sys
import xml.etree.ElementTree
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'common'))
import path_util
DUMMY_OWNER = "Please list the metric's owners. Add more owner tags as needed."
def main():
tree = xml.etree.ElementTree.parse(path_util.GetHistogramsFile())
root = tree.getroot()
assert root.tag == 'histogram-configuration'
root_children = root.getchildren()
histograms = None
for node in root_children:
if node.tag == 'histograms':
histograms = node
break
assert histograms != None
for histogram in histograms.getchildren():
if histogram.tag != 'histogram':
continue
name = histogram.attrib['name']
owners = []
obsolete = False
for node in histogram.getchildren():
if node.tag == 'obsolete':
obsolete = True
continue
if node.tag != 'owner':
continue
if node.text == DUMMY_OWNER:
continue
assert '@' in node.text
owners.append(node.text)
if not obsolete:
if owners:
print name, ' '.join(owners)
else:
print name, 'NO_OWNER'
if __name__ == '__main__':
main()
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