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#!/usr/bin/env python
#
# Copyright (C) 2016 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.
#
"""utils.py: export utility functions.
"""
from __future__ import print_function
import logging
import os.path
import subprocess
import sys
def get_script_dir():
return os.path.dirname(os.path.realpath(__file__))
def is_windows():
return sys.platform == 'win32' or sys.platform == 'cygwin'
def is_python3():
return sys.version_info >= (3, 0)
def log_debug(msg):
logging.debug(msg)
def log_info(msg):
logging.info(msg)
def log_warning(msg):
logging.warning(msg)
def log_fatal(msg):
raise Exception(msg)
def str_to_bytes(str):
if not is_python3():
return str
# In python 3, str are wide strings whereas the C api expects 8 bit strings, hence we have to convert
# For now using utf-8 as the encoding.
return str.encode('utf-8')
def bytes_to_str(bytes):
if not is_python3():
return bytes
return bytes.decode('utf-8')
def get_target_binary_path(arch, binary_name):
if arch == 'aarch64':
arch = 'arm64'
arch_dir = os.path.join(get_script_dir(), "bin", "android", arch)
if not os.path.isdir(arch_dir):
log_fatal("can't find arch directory: %s" % arch_dir)
binary_path = os.path.join(arch_dir, binary_name)
if not os.path.isfile(binary_path):
log_fatal("can't find binary: %s" % binary_path)
return binary_path
def get_host_binary_path(binary_name):
dir = os.path.join(get_script_dir(), 'bin')
if is_windows():
if binary_name.endswith('.so'):
binary_name = binary_name[0:-3] + '.dll'
elif binary_name.find('.') == -1:
binary_name += '.exe'
dir = os.path.join(dir, 'windows')
elif sys.platform == 'darwin': # OSX
if binary_name.endswith('.so'):
binary_name = binary_name[0:-3] + '.dylib'
dir = os.path.join(dir, 'darwin')
else:
dir = os.path.join(dir, 'linux')
dir = os.path.join(dir, 'x86_64' if sys.maxsize > 2 ** 32 else 'x86')
binary_path = os.path.join(dir, binary_name)
if not os.path.isfile(binary_path):
log_fatal("can't find binary: %s" % binary_path)
return binary_path
class AdbHelper(object):
def __init__(self, adb_path):
self.adb_path = adb_path
def run(self, adb_args):
return self.run_and_return_output(adb_args)[0]
def run_and_return_output(self, adb_args, stdout_file=None):
adb_args = [self.adb_path] + adb_args
log_debug('run adb cmd: %s' % adb_args)
if stdout_file:
with open(stdout_file, 'wb') as stdout_fh:
returncode = subprocess.call(adb_args, stdout=stdout_fh)
stdoutdata = ''
else:
subproc = subprocess.Popen(adb_args, stdout=subprocess.PIPE)
(stdoutdata, _) = subproc.communicate()
returncode = subproc.returncode
result = (returncode == 0)
if stdoutdata:
stdoutdata = bytes_to_str(stdoutdata)
log_debug(stdoutdata)
log_debug('run adb cmd: %s [result %s]' % (adb_args, result))
return (result, stdoutdata)
def check_run(self, adb_args):
self.check_run_and_return_output(adb_args)
def check_run_and_return_output(self, adb_args, stdout_file=None):
result, stdoutdata = self.run_and_return_output(adb_args, stdout_file)
if not result:
log_fatal('run "adb %s" failed' % adb_args)
return stdoutdata
def switch_to_root(self):
result, stdoutdata = self.run_and_return_output(['shell', 'whoami'])
if not result:
return False
if stdoutdata.find('root') != -1:
return True
build_type = self.get_property('ro.build.type')
if build_type == 'user':
return False
self.run(['root'])
result, stdoutdata = self.run_and_return_output(['shell', 'whoami'])
if result and stdoutdata.find('root') != -1:
return True
return False
def get_property(self, name):
result, stdoutdata = self.run_and_return_output(['shell', 'getprop', name])
if not result:
return None
return stdoutdata
def set_property(self, name, value):
return self.run(['shell', 'setprop', name, value])
def load_config(config_file):
if not os.path.exists(config_file):
log_fatal("can't find config_file: %s" % config_file)
config = {}
if is_python3():
with open(config_file, 'r') as fh:
source = fh.read()
exec(source, config)
else:
execfile(config_file, config)
return config
logging.getLogger().setLevel(logging.DEBUG)
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