45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
# Copyright (c) 2019 Red Hat, Inc.
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#
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import
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import subprocess
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import six
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def shell_command(command):
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if isinstance(command, ShellCommand):
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return command
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elif isinstance(command, six.string_types):
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return ShellCommand(command.split())
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elif command:
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return ShellCommand(str(a) for a in command)
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else:
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return ShellCommand()
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class ShellCommand(tuple):
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def __repr__(self):
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return "ShellCommand([{!s}])".format(', '.join(self))
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def __str__(self):
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return subprocess.list2cmdline(self)
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def __add__(self, other):
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other = shell_command(other)
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return shell_command(tuple(self) + other)
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