blob: bfb3bcf9523784614c3e4eb4383c12fa595e384e [file] [log] [blame]
#!/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.
"""Updates NetErrorCodes enum in histograms.xml file with values read
from net_error_list.h.
If the file was pretty-printed, the updated version is pretty-printed too.
import os.path
import re
import sys
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'common'))
from update_histogram_enum import UpdateHistogramFromDict
NET_ERROR_LIST_PATH = '../../../net/base/net_error_list.h'
def ReadNetErrorCodes(filename):
"""Reads in values from net_error_list.h, returning a dictionary mapping
error code to error name.
# Read the file as a list of lines
with open(filename) as f:
content = f.readlines()
ERROR_REGEX = re.compile(r'^NET_ERROR\(([\w]+), -([0-9]+)\)')
# Parse out lines that are net errors.
errors = {}
for line in content:
m = ERROR_REGEX.match(line)
if m:
errors[int(] =
return errors
def main():
if len(sys.argv) > 1:
print >>sys.stderr, 'No arguments expected!'
'NetErrorCodes', ReadNetErrorCodes(NET_ERROR_LIST_PATH),
if __name__ == '__main__':