How to add JSON fields to a Model in Django

Source: Internet
Author: User
This article mainly introduces how to add JSON fields to the Model in Django. The example analyzes the usage skills of the Python Django framework Model, for more information about how to add JSON fields to a Model in Django, see the following example. Share it with you for your reference. The details are as follows:

In Django, let the Model be used for JSON fields. Add a JSONField automatic type as follows:

Class JSONField (models. textField): _ metaclass _ = models. subfieldBase description = "Json" def to_python (self, value): v = models. textField. to_python (self, value) try: return json. loads (v) ['V'] doesn t: pass return v def get_prep_value (self, value): return json. dumps ({'V': value })

Then, the JSONField type field is defined for the Model.

Class Category (models. Model): name = fields. MedialNameField () other = fields. JSONField ()

Easy to use:

The Code is as follows:

Category. objects. create (name = "C1", other = (1, 2, 3, 4, 5 ))

All types that can be serialized in json can be directly assigned to the other field, which is convenient.

I hope this article will help you with Python programming.

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