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action_deptest.py
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action_deptest.py
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#!/usr/bin/env python3
#
# pycman-deptest - A Python implementation of Pacman
# Copyright (C) 2011 Rémy Oudompheng <remy@archlinux.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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
A Python implementation of pacman -T
This script checks whether specified dependencies are satisfied
and prints out a list of those which are missing.
"""
import sys
import pyalpm
from pycman import config
handle = None
def deptest(deps):
db = handle.get_localdb()
missing = [dep for dep in deps if pyalpm.find_satisfier(db.pkgcache, dep) is None]
return missing
def main(rawargs):
global handle
parser = config.make_parser()
parser.add_argument('deps', metavar='dep', nargs='*',
help="a dependency string, e.g. 'pacman>=3.4.0'")
args = parser.parse_args(rawargs)
handle = config.init_with_config_and_options(args)
if args.verbose:
print("deptest " + " ".join(rawargs), file=sys.stderr)
missing = deptest(args.deps)
if len(missing) == 0:
return 0
else:
[print(dep) for dep in missing]
return 127
if __name__ == "__main__":
ret = main(sys.argv[1:])
sys.exit(ret)
# vim: set ts=4 sw=4 tw=0 noet: