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#
# Copyright (C) 2018 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.
#
import logging
from host_controller.command_processor import base_command_processor
from vts.utils.python.common import cmd_utils
class CommandShell(base_command_processor.BaseCommandProcessor):
"""Command processor for shell command.
Attributes:
arg_parser: ConsoleArgumentParser object, argument parser.
command: string, command name which this processor will handle.
command_detail: string, detailed explanation for the command.
"""
command = "shell"
command_detail = "Runs a shell command on the host OS."
# @Override
def SetUp(self):
"""Initializes the parser for device command."""
self.arg_parser.add_argument(
"command",
metavar="COMMAND",
nargs="+",
help="The command to be executed. If the command contains "
"arguments starting with \"-\", place the command at end of line "
"after \"--\".")
# @Override
def Run(self, arg_line):
"""Runs a shell command."""
args = self.arg_parser.ParseLine(arg_line)
cmd_list = self.ReplaceVars(args.command)
stdout, stderr, retcode = cmd_utils.ExecuteOneShellCommand(
" ".join(cmd_list))
if stdout:
logging.info(stdout)
if stderr:
logging.error(stderr)
if retcode != 0:
return False
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