81 lines
2.6 KiB
Python
81 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
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#
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# 2016 Darko Poljak (darko.poljak at gmail.com)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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import subprocess
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import sys
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from tempfile import TemporaryFile
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import cdist
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STDERR_UNSUPPORTED = 'Not supported in this python version'
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def call_get_output(command, env=None):
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"""Run the given command with the given environment.
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Return the tuple of stdout and stderr output as a byte strings.
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"""
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assert isinstance(command, (list, tuple)), (
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"list or tuple argument expected, got: {}".format(command))
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if sys.version_info >= (3, 5):
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return call_get_out_err(command, env)
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else:
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return (call_get_stdout(command, env), STDERR_UNSUPPORTED)
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def handle_called_process_error(err, command):
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if sys.version_info >= (3, 5):
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errout = err.stderr
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else:
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errout = STDERR_UNSUPPORTED
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raise cdist.Error("Command failed: " + " ".join(command)
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+ " with returncode: {} and stdout: {}, stderr: {}".format(
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err.returncode, err.output, errout))
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def call_get_stdout(command, env=None):
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"""Run the given command with the given environment.
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Return the stdout output as a byte string, stderr is ignored.
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"""
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assert isinstance(command, (list, tuple)), (
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"list or tuple argument expected, got: {}".format(command))
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with TemporaryFile() as fout:
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subprocess.check_call(command, env=env, stdout=fout)
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fout.seek(0)
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output = fout.read()
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return output
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def call_get_out_err(command, env=None):
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"""Run the given command with the given environment.
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Return the tuple of stdout and stderr output as a byte strings.
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"""
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assert isinstance(command, (list, tuple)), (
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"list or tuple argument expected, got: {}".format(command))
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with TemporaryFile() as fout, TemporaryFile() as ferr:
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subprocess.check_call(command, env=env,
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stdout=fout, stderr=ferr)
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fout.seek(0)
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ferr.seek(0)
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output = (fout.read(), ferr.read())
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return output
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