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#!/usr/bin/env python
# Copyright 2007 Charlie Shepherd
from operator import attrgetter
import sys
try:
from pkgcore.util import commandline
from pkgcore.restrictions.boolean import OrRestriction
except ImportError:
print >> sys.stderr, 'Cannot import pkgcore!'
print >> sys.stderr, 'Verify it is properly installed and/or ' \
'PYTHONPATH is set correctly.'
if '--debug' not in sys.argv:
print >> sys.stderr, 'Add --debug to the commandline for a traceback.'
else:
raise
sys.exit(1)
class OptionParser(commandline.OptionParser):
def __init__(self, **kwargs):
commandline.OptionParser.__init__(
self, description=__doc__, usage='%prog [options]',
**kwargs)
self.add_option('--repo', action='callback', type='string',
callback=commandline.config_callback,
callback_args=('repo',),
help='repo to use (default from domain if omitted).')
self.add_option('--verbose', '-v', action='store_true', default=False,
help='print packages that have not changed too')
self.add_option('--quiet', '-q', action='store_true', default=False,
help="don't print changed useflags")
self.add_option('--print_type', '-t',
type="choice",
choices=("slotted_atom", "versioned_atom", "cpvstr"),
default="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''')
def check_values(self, values, args):
values, args = commandline.OptionParser.check_values(
self, values, args)
domain = values.config.get_default('domain')
values.vdb = domain.vdb[0]
if not values.repo:
values.repo = domain.repos[1]
values.restrict = OrRestriction(*commandline.convert_to_restrict(args))
values.outputter = attrgetter(values.print_type)
return values, ()
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({None: (OptionParser, main)})
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