add-content-disposition-header.py

from urllib.parse import quote
  

def add_content_disposition_header(response, filename):
    """
    Add an RFC5987 / RFC6266 compliant Content-Disposition header to an
    HttpResponse to tell the browser to save the HTTP response to a file.
    """
    try:
        filename.encode('ascii')
        file_expr = 'filename="{}"'.format(filename)
    except UnicodeEncodeError:
        file_expr = "filename*=utf-8''{}".format(quote(filename))
    response['Content-Disposition'] = 'attachment; {}'.format(file_expr)
    return response