#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import subprocess
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class AdbHandler(object):
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"""Adb wrapper to execute shell and adb command to the device."""
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def __init__(self, serial=None):
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self.serial = serial
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self.adb_cmd = 'adb -s {}'.format(serial)
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def exec_adb_command(self, cmd):
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"""Method to execute an adb command against the device."""
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cmd = "{} {}".format(self.adb_cmd, cmd)
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proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
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(out, err) = proc.communicate()
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ret = proc.returncode
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if ret == 0:
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return out
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raise AdbError(cmd=cmd, stdout=out, stderr=err, ret_code=ret)
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def exec_shell_command(self, cmd):
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"""Method to execute a shell command against the device."""
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cmd = '{} shell {}'.format(self.adb_cmd, cmd)
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proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
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(out, err) = proc.communicate()
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ret = proc.returncode
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if ret == 0:
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return out
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raise AdbError(cmd=cmd, stdout=out, stderr=err, ret_code=ret)
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class AdbError(Exception):
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"""Raised when there is an error in adb operations."""
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def __init__(self, cmd, stdout, stderr, ret_code):
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self.cmd = cmd
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self.stdout = stdout
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self.stderr = stderr
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self.ret_code = ret_code
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def __str__(self):
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return ('Error executing adb cmd "%s". ret: %d, stdout: %s, stderr: %s'
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) % (self.cmd, self.ret_code, self.stdout, self.stderr)
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