CODEWITHSUNDEEP
pythondjango
flatterino
flatterino

Reputation: 1025

Dynamic self-referencing "upload_to" folder on ImageField

I have a model such as this:

class MyModel(models.Model):
    red = models.ForeignKey(Anothermodel)
    blue = models.ImageField(upload_to='folder')

Would it be possible for 'folder' to be set to the value of field 'red'?

My purpose is that when a user uploads an image, it is automatically stored on a folder that has some field from that very same model as its name.

Thank you in advance.

Upvotes: 2

Views: 908

Answers (1)

Derek Kwok
Derek Kwok

Reputation: 13058

Yes, upload_to also takes a callable (e.g. a function):

def blue_upload_to(instance, filename):
    folder = instance.red.some_field
    return folder + os.sep + filename

class MyModel(models.Model):
    red = models.ForeignKey(Anothermodel)
    blue = models.ImageField(upload_to=blue_upload_to)

The documentation provides some additional examples: https://docs.djangoproject.com/en/1.9/ref/models/fields/#django.db.models.FileField.upload_to

Upvotes: 3

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