DJango Slugify

import string

from django.utils.text import slugify


def random_string_generator(size=10, chars=string.ascii_lowercase + string.digits):
    return ''.join(random.choice(chars) for _ in range(size))


def unique_slug_generator(instance, new_slug=None):
    """
    This is for a Django project and it assumes your instance 
    has a model with a slug field and a title character (char) field.
    """
    if new_slug is not None:
        slug = new_slug
    else:
        slug = slugify(instance.title)

    Klass = instance.__class__
    qs_exists = Klass.objects.filter(slug=slug).exists()
    if qs_exists:
        new_slug = "{slug}-{randstr}".format(
            slug=slug,
            randstr=random_string_generator(size=4)
        )
        return unique_slug_generator(instance, new_slug=new_slug)
    return slug
    
    
    
    
    
    
   from django.db import models

from django.db.models.signals import pre_save, post_save

from blog.utils import unique_slug_generator
STATUS_CHOICES = (
    ('draft', 'Draft'),
    ('published', 'Published'),
)


class Post(models.Model):
    title = models.CharField(max_length=250)
    slug = models.SlugField(max_length=250, null=True, blank=True)
    #author = models.ForeignKey(User, on_delete=models.CASCADE, related_name='blog_posts')
    text = models.TextField()
    published_at = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)
    status = models.CharField(
        max_length=10, choices=STATUS_CHOICES, default='draft')

    class Meta:
        ordering = ('-published_at',)

    def __str__(self):
        return self.title


def rl_pre_save_receiver(sender, instance, *args, **kwargs):
    if not instance.slug:
        instance.slug = unique_slug_generator(instance)


pre_save.connect(rl_pre_save_receiver, sender=Post)


def detail(request, slug):

    q = Post.objects.filter(slug__iexact=slug)
    if q.exists():
        q = q.first()
    else:
        return HttpResponse('<h1>Post Not Found</h1>')
    context = {

        'post': q
    }
    return render(request, 'posts/details.html', context)
    
    
   from django.contrib import admin
from django.urls import path

from posts.views import show_post, homepage, detail

urlpatterns = [
    path('admin/', admin.site.urls),
    path('posts/', show_post),
    path('', homepage),

    path('posts/<slug:slug>', detail),
]