Migrate files from FileSystem to other storage

migrate.py

import os
from django.core.files import File
from .models import MediaFile


for ff_local in os.listdir('app/media/uploads/files'):
    if MediaFile.objects.filter(file_uploaded__contains=ff_local):
        mf = MediaFile.objects.filter(file_uploaded__contains=ff_local)[0]
        f = File(open('app/media/uploads/files/'+ff_local, 'r'))
        mf.file_uploaded.save(ff_local, f)
        mf.save()