| # Copyright 2016 Google Inc. |
| # |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from __future__ import print_function |
| import re |
| import subprocess |
| import sys |
| |
| class Adb: |
| def __init__(self, device_serial=None, echo=False): |
| self.__invocation = ['adb'] |
| if device_serial: |
| self.__invocation.extend(['-s', device_serial]) |
| self.__echo = echo |
| self.__is_root = None |
| |
| def shell(self, cmd): |
| if self.__echo: |
| self.__echo_shell_cmd(cmd) |
| self.__invoke('shell', cmd) |
| |
| def check(self, cmd): |
| if self.__echo: |
| self.__echo_shell_cmd(cmd) |
| result = subprocess.check_output(self.__invocation + ['shell', cmd]) |
| if self.__echo: |
| print(result, file=sys.stderr) |
| return result |
| |
| def root(self): |
| if not self.is_root(): |
| self.__invoke('root') |
| self.__invoke('wait-for-device') |
| self.__is_root = None |
| return self.is_root() |
| |
| def is_root(self): |
| if self.__is_root is None: |
| self.__is_root = ('root' == self.check('whoami').strip()) |
| return self.__is_root |
| |
| def remount(self): |
| self.__invoke('remount') |
| |
| def __echo_shell_cmd(self, cmd): |
| escaped = [re.sub(r'([^a-zA-Z0-9])', r'\\\1', x) |
| for x in cmd.strip().splitlines()] |
| self.__invoke('shell', 'echo', '$(whoami)@$(getprop ro.serialno)$', |
| " '\n>' ".join(escaped)) |
| |
| def __invoke(self, *args): |
| subprocess.call(self.__invocation + list(args), stdout=sys.stderr) |
