def _diff_expand_link(context, expandable, text, tooltip,
                      expand_pos, image_class):
    return render_to_string('diffviewer/expand_link.html', {
        'tooltip': tooltip,
        'text': text,
        'chunk': context['chunk'],
        'file': context['file'],
        'expand_pos': expand_pos,
        'image_class': image_class,
        'expandable': expandable,
    })
Returns the URL of the subtitle in case that the upload is OK,
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/diffviewer/templatetags/difftags.py/_diff_expand_link--crossover with--dataset/ETHPy150Open agonzalezro/python-opensubtitles/pythonopensubtitles/opensubtitles.py/OpenSubtitles.upload_subtitles