I'm developing a small app that has a model that will include a need
for the user to upload a list of things from a flat file upload (user
list one user per line).

What I want to do is to parse this file when the instance is created,
and make additional DB calls to a separate table/model. What I've not
been able to find is how to access the file during save().  I
initially considered doing this work during post_save(), but I need to
rename the file uploaded *before* it is saved to the filesystem.

On a related not I also need to be able to have a form where the user
uploads a CSV with data that is then used to "bulk create" a series of
models. Any links/docs for this? Obviously, the form I can handle,
it's the backend that I've not seen done in Django yet.

I've consulted the book but the crucial aspects of this problem fall
precisely in the "TBA" parts. :(
(any idea when? it's been months since I prepurchased my copy)

I've been coding in Python for a decade now, so don't worry about that
part, just the Django specific parts. ;)

Cheers


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