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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# requires.py
#
# Copyright 2018 Neil Williams <neil.williams@linaro.org>
#
# 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 <http://www.gnu.org/licenses/>.
#
import os
import sys
import yaml
import argparse
"""
Goals:
0: Convert a packaged list of dependencies and versions
to a distro-specific list of dependencies.
1: Remove need for requirements.txt using Pip syntax as this is
misleading.
2: output a list of binary package names for the requested distribution
and suite to pass to docker scripts and LXC unit test jobs.
"""
def main():
"""
Parse options and load requirements files.
By default, outputs the same list as requirements.txt but
with the Pip name replaced by the distro|suite package name.
Use the -n option to only get the distro|suite package names.
"""
parser = argparse.ArgumentParser(description="Handle dependency lists")
parser.add_argument(
"-p", "--package", required=True, help="Name of the LAVA package."
)
parser.add_argument(
"-d", "--distribution", required=True, help="Only Debian is supported currently"
)
parser.add_argument(
"-s", "--suite", required=True, help="The distribution suite / release"
)
parser.add_argument(
"-i",
"--inline",
action="store_true",
help="Print in a single line separated by whitespace. Requires --names",
)
parser.add_argument(
"-n",
"--names",
action="store_true",
help="Only output distribution package names, not versions",
)
args = parser.parse_args()
req = os.path.join(
os.path.dirname(__file__),
"requirements",
args.distribution,
"%s.yaml" % args.suite,
)
if not os.path.exists(req):
sys.stderr.write(
"Unsupported suite|distribution: %s %s\n\n"
% (args.distribution, args.suite)
)
return 1
with open(req, "r") as data:
depends = yaml.safe_load(data)
if args.package not in depends:
sys.stderr.write("Unknown package: %s\n\n" % args.package)
return 2
if args.names:
msg = []
for key, item in depends[args.package].items():
if depends[args.package][key].get("system"):
if args.inline:
msg.insert(0, key)
else:
print(key)
continue
if args.inline:
msg.append(item["name"])
else:
print(item["name"])
if args.inline:
print(" ".join(msg))
return 0
if not depends[args.package]:
return 0
for item in depends[args.package].keys():
if depends[args.package][item].get("system"):
continue
print("%s%s" % (item, depends[args.package][item].get("version", "")))
return 0
if __name__ == "__main__":
sys.exit(main())
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