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Mini Shell
Mini Shell
"""
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
This program 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 General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Copyright © 2019 Cloud Linux Software Inc.
This software is also available under ImunifyAV commercial license,
see <https://www.imunify360.com/legal/eula>
General utilities for working with subprocesses."""
import signal
import subprocess
from subprocess import PIPE # noqa: F401
__all__ = ["PIPE", "CalledProcessError", "check_output"]
class CalledProcessError(subprocess.CalledProcessError):
"""Add stdout,stderr to str representation"""
def __str__(self):
if self.returncode and self.returncode < 0:
try:
return (
"Command '%s' died with %r.\nStdout: %s\nStderr: %s"
% (
self.cmd,
signal.Signals(-self.returncode), # noqa E501 pylint: disable=E1101
self.stdout,
self.stderr,
)
)
except ValueError:
return (
"Command '%s' died with unknown signal %d."
"\nStdout: %s\nStderr: %s"
% (self.cmd, -self.returncode, self.stdout, self.stderr)
)
else:
return (
"Command '%s' returned non-zero exit status %d."
"\nStdout: %s\nStderr: %s"
% (self.cmd, self.returncode, self.stdout, self.stderr)
)
def check_output(*args, **kwargs):
"""A wrapper for stdlib subprocess.check_output.
Include stdout/stderr in error message.
"""
try:
return subprocess.check_output(*args, **kwargs)
except subprocess.CalledProcessError as e:
raise CalledProcessError(
e.returncode, e.cmd, e.stdout, e.stderr
) from None
Zerion Mini Shell 1.0