Making Perfect Readable URL in Django Using Slug

append_hyphens_in_django_url_using_slug_utils.py

import string, random
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):
    if new_slug is not None:
        slug = new_slug
    else:
        slug = slugify(instance.title)
    Klass = instance.__class__
    max_length = Klass._meta.get_field('slug').max_length
    slug = slug[:max_length]
    qs_exists = Klass.objects.filter(slug=slug).exists()

    if qs_exists:
        new_slug = "{slug}-{randstr}".format(
          slug=slug[:max_length - 5], randstr=random_string_generator(size=4))

        return unique_slug_generator(instance, new_slug=new_slug)
    return slug

Making Perfect Readable URL in Django Using Slug