views.py 文件源码

def email_tracking(request, emailing_id, contact_uuid):
    """handle download of email opening tracking image"""
    emailing = get_object_or_404(models.Emailing, id=emailing_id)
    contact = get_object_or_404(Contact, uuid=contact_uuid)

    emailing.opened_emails.add(contact)
    emailing.save()

    dir_name = os.path.dirname(os.path.abspath(__file__))
    file_name = os.path.join(dir_name, "email-tracking.png")
    response = HttpResponse(FileWrapper(open(file_name, 'r')), content_type='image/png')
    response['Content-Length'] = os.path.getsize(file_name)
    return response