/Python/Django/Django model remove duplicates

Django model remove duplicates

from django.db.models import Count
from app.models import Email

duplicate_emails = Email.objects.values('email').annotate(email_count=Count('email')).filter(email_count__gt=1)

Source: newbedev.com

Django prevent duplicate entries

for instance in Stock.objects.all():
			if instance.category == category:
				raise forms.ValidationError(str(category) + ' is already created')
		return category

Source: arbcoms.com

Similar codes

0 vote219 views1 answer
Django content type for model
Python Django
0 vote328 views2 answers
Django admin image
Python Django
3 votes259 views1 answer
Django queryset group by
Python Django
2 votes241 views1 answer
Django template capitalize equivalent
Python Django
0 vote238 views1 answer
Adding bootstrap grid dynamically django
Python Django
5 votes262 views2 answers
Django admin password reset
Python Django
0 vote254 views9 answers
Django recapcha
Python Django
2 votes230 views2 answers
How to check django rest framework version
Python Django
2 votes272 views1 answer
Auto datetime in django models
Python Django
1 vote230 views3 answers
Accessing data on django sessionstore
Python Django