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Tracking dirty fields on a Django model instance (actively maintained)

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Tracking dirty fields on a Django model instance. Dirty means that field in-memory and database values are different.

This package is compatible and tested with the following Python & Django versions:

Django Python
1.11 3.6, 3.7 (as of 1.11.17)
2.0, 2.1 3.6, 3.7
2.2 3.6, 3.7, 3.8 (as of 2.2.8), 3.9 (as of 2.2.17)
3.0 3.6, 3.7, 3.8, 3.9 (as of 3.0.11)
3.1 3.6, 3.7, 3.8, 3.9 (as of 3.1.3)


$ pip install django-dirtyfields


To use django-dirtyfields, you need to:

  • Inherit from DirtyFieldsMixin in the Django model you want to track.

    from django.db import models
    from dirtyfields import DirtyFieldsMixin
    class ModelTest(DirtyFieldsMixin, models.Model):
        """A simple test model to test dirty fields mixin with"""
        boolean = models.BooleanField(default=True)
        characters = models.CharField(blank=True, max_length=80)
  • Use one of these 2 functions on a model instance to know if this instance is dirty, and get the dirty fields:

    • is_dirty()
    • get_dirty_fields()


>>> from tests.models import ModelTest
>>> tm = ModelTest.objects.create(boolean=True,characters="testing")
>>> tm.is_dirty()
>>> tm.get_dirty_fields()

>>> tm.boolean = False

>>> tm.is_dirty()
>>> tm.get_dirty_fields()
{'boolean': True}

Consult the full documentation for more informations.

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