How to assign a local file to the FileField in Django?

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Django uses it’s own file type (with a sightly enhanced functionality). Anyway Django’s file type works like a decorator, so you can simply wrap it around existing file objects to meet the needs of the Django API.

from django.core.files import File

local_file = open('mytest.pdf')
djangofile = File(local_file)
pdfImage.myfile.save('new', djangofile)
local_file.close()

You can of course decorate the file on the fly by writing the following (one line less):

pdfImage.myfile.save('new', File(local_file))

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