Django Admin: How do I know when a user is editing an existing object or saving a new object?

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Django Admin: How do I know when a user is editing an existing object or saving a new object?

I would like to learn how to work with Django admin. How do I know when a user is editing an existing object or saving a new object?

For example, if I want a function to do something different when the user saves a new object or saves an edited object, how do I know what it is?

Thanks guys:)

Sorry for my English.

+2

django django-models django-admin

Asinox 01 Sep 09 at 17:14

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2 answers

Perhaps you could do one of the following:

Listening for Django signals. Pre_save signal might be helpful in your case .
Overwriting ModelAdmin.save_model
Rewriting your models retains the method described by Adam

+1

Christoph 01 Sep '09 at 19:30

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Adam · Accepted Answer · 2009-09-01T18:24:46+0000

class MyModel(models.Model):

    def save(self):
        if self.id != None:
            print "Edited object"
        else:
            print "New object"
        super(MyModel, self).save()

Django Admin: How do I know when a user is editing an existing object or saving a new object?

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