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#!/usr/bin/env python
# Copyright 2007 Charlie Shepherd
from __future__ import print_function
from operator import attrgetter
import os
import sys
try:
from pkgcore.util import commandline
from pkgcore.restrictions.boolean import OrRestriction
except ImportError:
print('Cannot import pkgcore!', file=sys.stderr)
print('Verify it is properly installed and/or PYTHONPATH is set correctly.', file=sys.stderr)
if '--debug' not in sys.argv:
print('Add --debug to the commandline for a traceback.', file=sys.stderr)
else:
raise
sys.exit(1)
argparser = commandline.mk_argparser(color=False, version=False)
argparser.add_argument(
'target', nargs='+', help='target package atoms')
argparser.add_argument(
'--repo', action=commandline.StoreRepoObject,
help='repo to use (default from domain if omitted).')
argparser.add_argument(
'--print_type', '-t', default="cpvstr",
choices=("slotted_atom", "versioned_atom", "cpvstr"),
help='''type of atom to output:
'versioned_atom' : a valid versioned atom,
'slotted_atom' : a valid slotted atom,
'cpvstr' : the cpv of the package''')
@argparser.bind_final_check
def check_args(parser, namespace):
domain = namespace.domain
namespace.vdb = domain.vdb[0]
if not namespace.repo:
namespace.repo = domain.repos[1]
namespace.restrict = OrRestriction(
*commandline.convert_to_restrict(namespace.target))
namespace.outputter = attrgetter(namespace.print_type)
@argparser.bind_main_func
def main(options, out, err):
repo = options.repo
for built in options.vdb.itermatch(options.restrict):
current = repo.match(built.versioned_atom)
if current:
current = current[0]
oldflags = built.iuse & built.use
newflags = current.iuse & built.use
if (newflags != oldflags) or (current.iuse ^ built.iuse):
changed_flags = (oldflags ^ newflags) | (current.iuse ^ built.iuse)
if options.quiet:
out.write(options.outputter(current))
else:
out.write(
"for package %s, %d flags have changed:\n\t%s" %
(current.cpvstr, len(changed_flags), ' '.join(changed_flags)))
else:
if options.verbose:
out.write("%s is the same as it was before" % current.cpvstr)
if __name__ == '__main__':
commandline.main(argparser)
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