Jay Parlar wrote:
> So what I'm thinking, is to allow something like the following:
>
> class User(models.Model):
> username = models.CharField(...)
> avatar = models.ImageField(upload_to="users/" + self.username,
> erase_old=True)
>
For "upload_to" case I think this will work:
upload_to="users/%(username)s"
with a substitution:
dir = upload_to % obj.__dict__
A (little) problem I see with this solution is that data may be not safe
for a filename but Django does some safety replacements for supplied
filenames anyway so it can be used here too.
I like your erase_old. The logic (as I implemented it in my views) can
be as follows:
old_filename = obj.get_FILED_filename()
<submit new data as usual>
if erase_old and
(<new filename is empty> or <there is a new file content>) and
<old_filename exists>:
os.remove(old_filename)
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