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You could do it the following way, and Django should automatically add a reverse relation. Hence, no need to add album as foreign key to your Photo model. Doing this you get access to “albums” from your Photo model.
class Photo(models.Model):
name = models.CharField(max_length=64)
class Album(models.Model):
name = models.CharField(max_length=64)
photoItems = models.ManyToManyField(Photo, related_name='albums')
Shell:
>>> photo1=Photo(name="photo number 1")
>>> photo2=Photo(name="photo number 2")
>>> photo1.save()
>>> photo2.save()
>>> album=Album(name="album1")
>>> album.save()
>>> album.photoItems.add(photo1,photo2)
>>> photo1.albums.get().name
'album1'
Source:stackexchange.com