django-taggit

import os import django from django.conf import settings from django.db import models settings.configure( INSTALLED_APPS=[ 'django.contrib.auth', 'django.contrib.contenttypes', 'taggit', ], DATABASES={ 'default': {'ENGINE': 'django.db.backends.sqlite3', 'NAME': ':memory:'} }, SECRET_KEY=os.environ.get('DJANGO_SECRET_KEY', 'a-very-secret-key-that-should-be-changed'), DEFAULT_AUTO_FIELD='django.db.models.BigAutoField', ) django.setup() from taggit.managers import TaggableManager class Post(models.Model): title = models.CharField(max_length=200) content = models.TextField() tags = TaggableManager() def __str__(self): return self.title # --- Example Usage --- # After migrations (run `python manage.py migrate` in a real project): # from django.core.management import call_command # call_command('migrate', interactive=False) # Create a post post1 = Post.objects.create(title='My First Post', content='Content goes here.') post1.tags.add('python', 'django', 'tutorial') post2 = Post.objects.create(title='Another Post', content='More content.') post2.tags.add('python', 'web-dev') print(f"Post 1 tags: {list(post1.tags.names())}") print(f"Posts tagged with 'python': {Post.objects.filter(tags__name__in=['python']).count()}") print(f"All tags: {list(TaggableManager().all_tags().names())}") # Remove a tag post1.tags.remove('tutorial') print(f"Post 1 tags after removal: {list(post1.tags.names())}")