Hi,
I want to upload photos to directories structured by the album primary
key. I have the following model:
class Photo(models.Model):
album = models.ForeignKey(Album)
img = models.FileField(upload_to='albums/images/' + str(album.pk)
+ '/', blank=True)
The str(album.pk) part is not working. As I understand it I can't use
the album as an object of type album here like in views/templates (I'm
new to python and haven't fully understand the mechanisms working
underneath, but I guess the class declaration is processed earlier,
when the information is not yet available).
Nevertheless, I'm sure I can use the foreign key id for albums somehow
as part of the path, but how?
Any hint will be appreciated.
Thanks,
Christoph
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