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root / snf-astakos-app / astakos / im / management / commands / group-permissions-remove.py @ 66c90acd

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# Copyright 2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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#   1. Redistributions of source code must retain the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer.
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#
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#   2. Redistributions in binary form must reproduce the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer in the documentation and/or other materials
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#      provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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from optparse import make_option
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from django.core.management.base import BaseCommand, CommandError
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from django.contrib.auth.models import Group
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from django.core.exceptions import ValidationError
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from astakos.im.models import AstakosUser
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from ._common import remove_group_permission
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class Command(BaseCommand):
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    args = "<groupname> <permission> [<permissions> ...]"
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    help = "Remove group permissions"
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    def handle(self, *args, **options):
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        if len(args) < 2:
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            raise CommandError("Please provide a group name and at least one permission")
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        group = None
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        try:
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            if args[0].isdigit():
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                group = Group.objects.get(id=args[0])
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            else:
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                group = Group.objects.get(name=args[0])
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        except Group.DoesNotExist, e:
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            raise CommandError("Invalid group")
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        try:
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            for pname in args[1:]:
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                r = remove_group_permission(group, pname)
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                if r < 0:
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                    self.stdout.write('Invalid permission codename: %s\n' % pname)
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                elif r == 0:
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                    self.stdout.write('Group has not permission: %s\n' % pname)
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                elif r > 0:
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                    self.stdout.write('Permission: %s removed successfully\n' % pname)
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        except Exception, e:
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            raise CommandError(e)