django-reversion | django-reversion is an extension to the Django web framework that provides version control for model | REST library

# models.py
from reversion.revisions import revision
if not revision.is_registered(MyModelClass): revision.register(MyModelClass)

# Anywhere at the code
from reversion.revisions import revision
revision.start()
obj.save()
...
# anyone and many as ne  

class Document(models.Model):
    name = models.CharField(max_length=255, blank=True, null=True)
    client = models.ForeignKey(Client, on_delete=models.CASCADE)
    template = models.ForeignKey(Template, on_delete=models.CASCADE)

    def

from django.db.models.signals import pre_save          
from django.dispatch import receiver
from myapp.models import MyModel

@receiver(pre_save, sender=MyModel)
def my_handler(sender, instance=None, **kwargs):
    # instance variable wil

ZIPCODE_BASIC_FIELDS = [
    'id',  # Add 
    'zipcode',
    'region',
    'prefecture',
    'city',
    'town',
    'building',
]

class ZIPCodeAddressResource(resources.ModelResource):
    zipcode = fields.Field(widget=widgets.CharWidge

from django.contrib import admin
from django.contrib.auth.models import User
from reversion.admin import VersionAdmin

admin.site.unregister(User) 
admin.site.register(User, VersionAdmin) 

import reversion
from dja