![]() Once we have defined your models, we need to tell Django we’re going to use those models. Now let's create our core app models.py core/models.py: If a field has blank=False, the field will be required. ![]() If a field has blank=True, form validation will allow entry of an empty value. null is purely database-related, whereas blank is validation-related. blank If True, the field is allowed to be blank. If True, Django will store empty values as NULL in the database. They’re fully explained in the reference, but here’s a quick summary of the most often-used ones: There’s also a set of common arguments available to all field types. For example, CharField (and its subclasses) require a max_length the argument which specifies the size of the VARCHAR database field used to store the data. Field optionsĮach field takes a certain set of field-specific arguments (documented in the model field reference). You can easily write your own fields if Django’s built-in ones don’t do the trick see How to create custom model fields. The minimal validation requirements, used in Django’s admin and in automatically-generated forms.ĭjango ships with dozens of built-in field types you can find the complete list in the model field reference.The default HTML widget to use when rendering a form field (e.g. ![]()
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