download.py 文件源码

def respond_as_attachment(request, file_path, original_filename, document_root=None):
    if document_root is not None:
        file_path = os.path.join(document_root, file_path)
    try:
        fp = open(file_path, 'rb')
        response = HttpResponse(fp.read())
        fp.close()
        type, encoding = mimetypes.guess_type(original_filename)
        if type is None:
            type = 'application/octet-stream'
        response['Content-Type'] = type
        response['Content-Length'] = str(os.stat(file_path).st_size)
        if encoding is not None:
            response['Content-Encoding'] = encoding
            url_encode()
        response['Content-Disposition'] = "attachment; filename*=UTF-8''%s" % iri_to_uri(original_filename)
        return response
    except Exception as e:
        raise Http404(e)