Probably the title is not very accurate, but I did not know how to word
it any better! Probably the following scenarios will make it clearer:
1. I would like to generate the 'upload_to' parameter of the FileField
based on the value of another field in my model.
example:
===
class File(models.Model):
title = models.CharField(maxlength=50)
project = models.ForeignKey(Project)
document = models.FileField(upload_to='files/' + self.title +
'/',blank=True,null=True)
===
2. I would like to use some value from my instance to create the Q
object passed to the 'limit_choices_to' parameter.
example:
===
class File(models.Model):
title = models.CharField(maxlength=50)
project = models.ForeignKey(Project)
supercedes =
models.ForeignKey('self',limit_choices_to=Q(project=self.project,blank=True,null=True)
===
Is there any way to do that? It seems to me that having an "automatic"
self variable that will be mapped to the instance would solve this
problem... any thoughts?
Thanks!
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