Slug — it is essentially a short label for something, containing only letters, numbers, underscores, or hyphens. They are commonly used in URLs. For example, in a typical blog post URL:
Here the last
add-the-slug-field-inside-django-model is a slug.
SlugField in Django is like CharField where you also you can specify the
max_length attribute. If max_length is not specified, Django will use the default length of 50. This also assumes that Field.db_index is set to True . It is often useful to automatically prefill a SlugField based on a different value. For validation use validate_slug or validate_unicode_slug. ,
field_name = models.SlugField (max_length = 200, ** options )
SlugField has the following optional arguments: strong>
The maximum length (in characters) of the field. Maximum
max_length applies at the database level and when validating Django using MaxLengthValidator .
If True, the field accepts Unicode letters in addition to ASCII letters. Default False.
Illustration of a SlugField using an example. Consider a project named
pythonengineering that has an application named
Refer to the following articles to check how to create a project and an app in Django.
Enter the following code into the
models.py file of the geeks application.
Add the geek app to
Now when we run
makemigrations c ode> from the terminal,
Python manage.py makemigrations
A new folder named migrations will be created in the
geeks directory with a file named
Python manage.py migrate
geeks_field SlugField is generated when migrations are run in the project. p>
SlugField is used to store mostly URL paths after a specific URL. To learn more about how to properly add a SlugField to your Django Project, refer to this article — Now let`s check it out on administrator a running server. We have created a GeeksModel instance. Field options — they are arguments given to each field to apply some constraint or to convey a particular characteristic to a particular field. For example, adding the
# import the model
# from the geek app
GeeksModel. objects.create (geeks_field
null = True argument to the SlugField will allow it to store empty values for that table in a relational database.
Here are the field options and attributes that SlugField can use.
Now let`s check it out on administrator a running server. We have created a GeeksModel instance.
Field options — they are arguments given to each field to apply some constraint or to convey a particular characteristic to a particular field. For example, adding the
|Null||If True , Django will store empty values as NULL in the database. Default is False.|
|Blank||If True , the field is allowed to be blank ... Default is False.|
|Choices||An iterable (eg, a list or tuple) of 2-tuples to use as choices for this field.|
|Default||The default value for the field. This can be a value or a callable object. If callable it will be called every time a new object is created.|
|help_text||Extra “help” text to be displayed with the form widget. It`s useful for documentation even if your field isn`t used on a form.|
|primary_key||If True, this field is the primary key for the model .|
|Unique||If True, this field must be unique throughout the table.|