if request.method == 'POST':
    form = MyForm(request.POST, request.FILES)
if form.is_valid():
    uploaded_file = request.FILES['html-file-attribute-name']
fout = open('path/to/save/file/to/%s' % uploaded_file.name, 'wb')
for chunk in uploaded_file.chunks():
    fout.write(chunk)
Django Чтение/загрузка CSV