How do I create a slug in Django

Question

I am trying to create a SlugField in Django   I created this simple model   from django db import models  class Test models Model       q   models CharField max length 30      s   models SlugField     I then do this    gt  gt  gt  from mysite books models import Test  gt  gt  gt  t Test q  aa a a a   s  b b b b    gt  gt  gt  t s  b b b b   gt  gt  gt  t save    gt  gt  gt  t s  b b b b    I was expecting b-b-b-b

User · Answer

There is corner case with some utf-8 characters

Example:

>>> from django.template.defaultfilters import slugify
>>> slugify(u"test aescóln")
u'test-aescon' # there is no "l"

This can be solved with Unidecode

>>> from unidecode import unidecode
>>> from django.template.defaultfilters import slugify
>>> slugify(unidecode(u"test aescóln"))
u'test-aescoln'

User · Answer

A small correction to Thepeer s answer  To override save   function in model classes  better add arguments to it   from django utils text import slugify  def save self   args    kwargs       if not self id          self s   slugify self q       super test  self  save  args    kwargs    Otherwise  test objects create q  blah blah blah   will result in a force insert error  unexpected argument

User · Answer

If you re using the admin interface to add new items of your model  you can set up a ModelAdmin in your admin py and utilize prepopulated fields to automate entering of a slug   class ClientAdmin admin ModelAdmin       prepopulated fields     slug     name      admin site register Client  ClientAdmin    Here  when the user enters a value in the admin form for the name field  the slug will be automatically populated with the correct slugified name

User · Answer

If you don t want to set the slugfield to Not be editable  then I believe you ll want to set the Null and Blank properties to False   Otherwise you ll get an error when trying to save in Admin   So a modification to the above example would be    class test models Model       q   models CharField max length 30      s   models SlugField null True  blank True    Allow blank submission in admin       def save self           if not self id              self s   slugify self q           super test  self  save

User · Answer

Use prepopulated fields in your admin class   class ArticleAdmin admin ModelAdmin       prepopulated fields     slug     title      admin site register Article  ArticleAdmin

User · Answer

You will need to use the slugify function   gt  gt  gt  from django template defaultfilters import slugify  gt  gt  gt  slugify  quot b b b b quot   u b-b-b-b   gt  gt  gt   You can call slugify automatically by overriding the save method  class Test models Model       q   models CharField max length 30      s   models SlugField            def save self   args    kwargs           self s   slugify self q          super Test  self  save  args    kwargs   Be aware that the above will cause your URL to change when the q field is edited  which can cause broken links  It may be preferable to generate the slug only once when you create a new object  class Test models Model       q   models CharField max length 30      s   models SlugField            def save self   args    kwargs           if not self id                Newly created object  so set slug             self s   slugify self q           super Test  self  save  args    kwargs

User · Answer

You can look at the docs for the SlugField to get to know more about it in more descriptive way

User · Answer

In most cases the slug should not change  so you really only want to calculate it on first save   class Test models Model       q   models CharField max length 30      s   models SlugField editable False    hide from admin      def save self           if not self id              self s   slugify self q           super Test  self  save

User · Answer

I m using Django 1 7  Create a SlugField in your model like this   slug   models SlugField     Then in admin py define prepopulated fields   class ArticleAdmin admin ModelAdmin       prepopulated fields     slug     title

[python] How do I create a slug in Django?

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