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# Copyright (C) 2013 Linaro Limited
#
# Author: Milo Casagrande <milo.casagrande@linaro.org>
#
# This file is part of lava-tool.
#
# lava-tool is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation
#
# lava-tool is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with lava-tool. If not, see <http://www.gnu.org/licenses/>.
import os
import subprocess
def has_command(command):
"""Checks that the given command is available.
:param command: The name of the command to check availability.
"""
command_available = True
try:
subprocess.check_call(["which", command],
stdout=open(os.path.devnull, 'w'))
except subprocess.CalledProcessError:
command_available = False
return command_available
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