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If you're in the situation that you have an authenticated Django view that returns files for download, you may have noticed that Safari 9.x doesn't play audio files properly when returning audio-files. The reason is that Safari sends a HTTP_RANGE request header and expects a proper Content-Range response header in return. There is a Django ticket for this, however no indication that this feature will be implemented soon.

The original suggested fix applies the code to Django's static view. This is a packaged version of that fix, but uses a modified FileResponse, instead of applying it to Django's static view. You can use it for custom views like:

from ranged_fileresponse import RangedFileResponse

def some_proxy_view(request):
    filename = 'myfile.wav'
    response = RangedFileResponse(open(filename, 'r'), request, content_type='audio/wav')
    response['Content-Disposition'] = 'attachment; filename="%s"' % filename
    return response