Synnefo

# Copyright 2012 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

# or implied, of GRNET S.A.

from optparse import make_option

from django.core.management.base import BaseCommand, CommandError

from django.contrib.auth.models import Group

from django.core.exceptions import ValidationError

from astakos.im.models import AstakosUser

from ._common import remove_group_permission

class Command(BaseCommand):

    args = "<groupname> <permission> [<permissions> ...]"

    help = "Remove group permissions"

    def handle(self, *args, **options):

        if len(args) < 2:

            raise CommandError("Please provide a group name and at least one permission")

        group = None

        try:

            if args[0].isdigit():

                group = Group.objects.get(id=args[0])

            else:

                group = Group.objects.get(name=args[0])

        except Group.DoesNotExist, e:

            raise CommandError("Invalid group")

        try:

            for pname in args[1:]:

                r = remove_group_permission(group, pname)

                if r < 0:

                    self.stdout.write('Invalid permission codename: %s\n' % pname)

                elif r == 0:

                    self.stdout.write('Group has not permission: %s\n' % pname)

                elif r > 0:

                    self.stdout.write('Permission: %s removed successfully\n' % pname)

        except Exception, e:

            raise CommandError(e)