Remove Previous Image From Media Folder When Imagefiled Entry Modified In Django
I have a Model with a ImageField. class Photo(models.Model): ---- image = models.ImageField(verbose_name=_('Image'),upload_to='images/category/%Y/%m/%d/', max_lengt
Solution 1:
You can either use django's signals or simply overwrite the save
method on your model. I would write a signal. Something like the following (note that this is untested):
from django.db.models.signals import pre_save
from django.dispatch import receiver
class Photo(models.Model):
image = ...
@receiver(pre_save, sender=Photo)
def delete_old_image(sender, instance, *args, **kwargs):
if instance.pk:
existing_image = Photo.objects.get(pk=instance.pk)
if instance.image and existing_image.image != instance.image:
existing_image.image.delete(False)
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