/Python/Removing duplicates from django models data

Removing duplicates from django models data

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

Removing duplicates from django models data

for duplicates in Tag.objects.values("name").annotate(
    records=Count("name")
).filter(records__gt=1):
    for tag in Tag.objects.filter(name=duplicates["name"])[1:]:
        tag.delete()

Source: djangotricks.com

Similar codes

0 vote330 views1 answer
Qcut and cut function in python stack overflow
Python
11 votes331 views4 answers
How to make a qr code generator in python
Python
1 vote325 views1 answer
How to get all messages from a telegram group with telethon
Python
0 vote288 views1 answer
Python tkinter get image size
Python
-1 vote274 views1 answer
Python how to make a user input function
Python
1 vote316 views1 answer
Tuple negative indexing in python
Python
4 votes290 views1 answer
Python gt index in for cycle
Python
5 votes301 views1 answer
Upload excel file into pycharm
Python
0 vote341 views1 answer
This figure includes axes that are not compatible with tight_layout, so results might be incorrect
Python
0 vote282 views1 answer
Using csv module how to read perticular lines in csv
Python