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#!/usr/bin/python3
# Copyright (C) 2009-2011, Benjamin Drung <bdrung@debian.org>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# pylint: disable=invalid-name
# pylint: enable=invalid-name
"""provides information about Ubuntu's distributions"""
import argparse
import os
import sys
from distro_info import UbuntuDistroInfo, convert_date
def parse_args() -> argparse.Namespace:
script_name = os.path.basename(sys.argv[0])
usage = f"{script_name} [options]"
epilog = f"See {script_name}(1) for more info."
parser = argparse.ArgumentParser(usage=usage, epilog=epilog)
parser.add_argument(
"--date",
dest="date",
default=None,
help="date for calculating the version (default: today).",
)
parser.add_argument(
"-a", "--all", dest="all", action="store_true", help="list all known versions"
)
parser.add_argument(
"-d", "--devel", dest="devel", action="store_true", help="latest development version"
)
parser.add_argument(
"-s", "--stable", dest="stable", action="store_true", help="latest stable version"
)
parser.add_argument(
"--lts", dest="lts", action="store_true", help="latest long term support (LTS) version"
)
parser.add_argument(
"--supported",
dest="supported",
action="store_true",
help="list of all supported versions (including development)",
)
parser.add_argument(
"--unsupported",
dest="unsupported",
action="store_true",
help="list of all unsupported stable versions",
)
args = parser.parse_args()
versions = [args.all, args.devel, args.lts, args.stable, args.supported, args.unsupported]
if len([x for x in versions if x]) != 1:
parser.error(
"You have to select exactly one of --all, --devel, --lts, "
"--stable, --supported, --unsupported."
)
if args.date is not None:
try:
args.date = convert_date(args.date)
except ValueError:
parser.error("Option --date needs to be a date in ISO 8601 format.")
return args
def main() -> None:
args = parse_args()
if args.all:
for distro in UbuntuDistroInfo().all:
sys.stdout.write(distro + "\n")
elif args.devel:
sys.stdout.write(UbuntuDistroInfo().devel(args.date) + "\n")
elif args.lts:
sys.stdout.write(UbuntuDistroInfo().lts(args.date) + "\n")
elif args.stable:
sys.stdout.write(UbuntuDistroInfo().stable(args.date) + "\n")
elif args.supported:
for distro in UbuntuDistroInfo().supported(args.date):
sys.stdout.write(distro + "\n")
elif args.unsupported:
for distro in UbuntuDistroInfo().unsupported(args.date):
sys.stdout.write(distro + "\n")
if __name__ == "__main__":
main()
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