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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, echofile=None):
self.__invocation = ['adb']
if device_serial:
self.__invocation.extend(['-s', device_serial])
self.__echofile = echofile
self.__is_root = None
def shell(self, cmd):
if self.__echofile:
self.__echo_cmd(cmd)
subprocess.call(self.__invocation + ['shell', cmd], stdout=sys.stderr)
def check(self, cmd):
if self.__echofile:
self.__echo_cmd(cmd)
result = subprocess.check_output(self.__invocation + ['shell', cmd])
if self.__echofile:
print(result, file=self.__echofile)
return result
def root(self):
if not self.is_root():
subprocess.call(self.__invocation + ['root'], stdout=sys.stderr)
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):
subprocess.call(self.__invocation + ['remount'], stdout=sys.stderr)
def __echo_cmd(self, cmd):
escaped = [re.sub(r'([^a-zA-Z0-9])', r'\\\1', x)
for x in cmd.strip().splitlines()]
subprocess.call(self.__invocation + \
['shell', 'echo', '$(whoami)@$(getprop ro.serialno)$',
" '\n>' ".join(escaped)],
stdout=self.__echofile)
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