ubuntu-dev-tools/ubuntu-iso
Benjamin Drung aa556af89d Use f-strings
pylint complains about C0209: Formatting a regular string which could be
a f-string (consider-using-f-string)

Signed-off-by: Benjamin Drung <benjamin.drung@canonical.com>
2023-01-31 19:32:58 +01:00

77 lines
2.0 KiB
Python
Executable File

#!/usr/bin/python3
# ubuntuiso - tool to examine Ubuntu CD (ISO) installation media
# Copyright (C) 2008 Canonical Ltd.
# Author: Matt Zimmerman <mdz@ubuntu.com>
#
# ##################################################################
#
# 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, version 2
# of the License.
#
# 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.
#
# See file /usr/share/common-licenses/GPL-2 for more details.
#
# ##################################################################
# pylint: disable=invalid-name
# pylint: enable=invalid-name
import argparse
import subprocess
import sys
from ubuntutools import getLogger
Logger = getLogger()
def extract(iso, path):
command = ["isoinfo", "-R", "-i", iso, "-x", path]
pipe = subprocess.run(
command, check=False, encoding="utf-8", stdout=subprocess.PIPE, stderr=subprocess.PIPE
)
if pipe.returncode != 0:
sys.stderr.write(pipe.stderr)
sys.exit(pipe.returncode)
return pipe.stdout
def main():
desc = "Given an ISO, %(prog)s will display the Ubuntu version information"
parser = argparse.ArgumentParser(usage="%(prog)s [options] iso...", description=desc)
parser.add_argument("isos", nargs="*", help=argparse.SUPPRESS)
args = parser.parse_args()
err = False
for iso in args.isos:
if len(args.isos) > 1:
prefix = f"{iso}:"
else:
prefix = ""
version = extract(iso, "/.disk/info")
if len(version) == 0:
Logger.error("%s does not appear to be an Ubuntu ISO", iso)
err = True
continue
Logger.info(prefix + version)
if err:
sys.exit(1)
if __name__ == "__main__":
main()
sys.exit(0)