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#! /usr/bin/env python
# Copyright 2015 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.
import argparse
import os
import re
import shutil
import sys
import tempfile
import zipfile
import devil_chromium
from devil.android.sdk import dexdump
from pylib.constants import host_paths
sys.path.append(os.path.join(host_paths.DIR_SOURCE_ROOT, 'build', 'util', 'lib',
'common'))
import perf_tests_results_helper # pylint: disable=import-error
_METHOD_IDS_SIZE_RE = re.compile(r'^method_ids_size +: +(\d+)$')
def ExtractIfZip(dexfile, tmpdir):
if not dexfile.endswith('.zip'):
return [dexfile]
with zipfile.ZipFile(dexfile, 'r') as z:
z.extractall(tmpdir)
return [os.path.join(tmpdir, f) for f in os.listdir(tmpdir)]
def SingleMethodCount(dexfile):
for line in dexdump.DexDump(dexfile, file_summary=True):
m = _METHOD_IDS_SIZE_RE.match(line)
if m:
return m.group(1)
raise Exception('"method_ids_size" not found in dex dump of %s' % dexfile)
def MethodCount(dexfile):
tmpdir = tempfile.mkdtemp(suffix='_dex_extract')
multidex_file_list = ExtractIfZip(dexfile, tmpdir)
try:
return sum(int(SingleMethodCount(d)) for d in multidex_file_list)
finally:
shutil.rmtree(tmpdir)
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
'--apk-name', help='Name of the APK to which the dexfile corresponds.')
parser.add_argument('dexfile')
args = parser.parse_args()
devil_chromium.Initialize()
if not args.apk_name:
dirname, basename = os.path.split(args.dexfile)
while basename:
if 'apk' in basename:
args.apk_name = basename
break
dirname, basename = os.path.split(dirname)
else:
parser.error(
'Unable to determine apk name from %s, '
'and --apk-name was not provided.' % args.dexfile)
method_count = MethodCount(args.dexfile)
perf_tests_results_helper.PrintPerfResult(
'%s_methods' % args.apk_name, 'total', [method_count], 'methods')
return 0
if __name__ == '__main__':
sys.exit(main())
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