| #!/usr/bin/env python |
| # |
| # Copyright (C) 2015 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| """ADB handling for NDK tests.""" |
| import os |
| import re |
| import subprocess |
| |
| |
| def push(src, dst): |
| with open(os.devnull, 'wb') as dev_null: |
| subprocess.check_call(['adb', 'push', src, dst], stdout=dev_null, |
| stderr=dev_null) |
| |
| |
| def shell(command): |
| # Work around the fact that adb doesn't return shell exit status. We also |
| # redirect the process's stderr to stdout so we can be sure all the output |
| # is printed before the result code. |
| adb_command = command + ' 2>&1; echo "x$?"' |
| p = subprocess.Popen(['adb', 'shell', adb_command], stdout=subprocess.PIPE) |
| out, _ = p.communicate() |
| if p.returncode != 0: |
| raise RuntimeError('adb shell failed') |
| |
| out, _, encoded_result = out.rpartition('x') |
| result = int(encoded_result) |
| out = out.rstrip() |
| out = re.split(r'[\r\n]+', out) |
| return result, out |
| |
| |
| def get_prop(prop_name): |
| result, output = shell('getprop {}'.format(prop_name)) |
| if result != 0: |
| raise RuntimeError('getprop failed:\n' + '\n'.join(output)) |
| if len(output) != 1: |
| raise RuntimeError('Too many lines in getprop output:\n' + |
| '\n'.join(output)) |
| value = output[0] |
| if not value.strip(): |
| return None |
| return value |