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Is it possible to set a custom widget for a model in the model definition?
For example, having a model ModelA referencing to the model ModelB, I would like that a modelForm of ModelA renderes the reference field to ModelB automatically with a custom widget defined by ModelB.
The use case behind is the creation of a reusable app, where the reusable app should provide the form field widget for developers using the app.
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default: The default value for the field. This can be a value or a callable object, in which case the object will be called every time a new record is created. null: If True , Django will store blank values as NULL in the database for fields where this is appropriate (a CharField will instead store an empty string).
If you'd like to specify a custom primary key, specify primary_key=True on one of your fields. If Django sees you've explicitly set Field.primary_key , it won't add the automatic id column. Each model requires exactly one field to have primary_key=True (either explicitly declared or automatically added).
Django Model Form It is a class which is used to create an HTML form by using the Model. It is an efficient way to create a form without writing HTML code. Django automatically does it for us to reduce the application development time.
attrs . A dictionary containing HTML attributes to be set on the rendered DateInput and TimeInput widgets, respectively. If these attributes aren't set, Widget. attrs is used instead.
Is it possible to set a custom widget for a model in the model definition?
Yes, if you override the field: Specifying the form field for a model field.
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