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# 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, adb_binary=None, echo=False):
self.__invocation = [adb_binary]
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)
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