30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
# Society Self-Service
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# Copyright © 2018-2020 Yingtong Li (RunasSudo)
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from django.core.management.base import BaseCommand, CommandError
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from ssmembership.models import Member
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from django.db.models import Count
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class Command(BaseCommand):
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help = 'Finds members with duplicate emails'
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def handle(self, *args, **options):
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duplicates = Member.objects.values('email').annotate(email_count=Count('email')).filter(email_count__gt=1)
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for d in duplicates:
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print(d.email)
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