def get_gravatar(email, size=80, default='identicon'):
    if userena_settings.USERENA_MUGSHOT_GRAVATAR_SECURE:
        base_url = 'https://secure.gravatar.com/avatar/'
    else: base_url = 'http://www.gravatar.com/avatar/'

    gravatar_url = '%(base_url)s%(gravatar_id)s?' % \
            {'base_url': base_url,
             'gravatar_id': md5_constructor(email.lower()).hexdigest()}

    gravatar_url += urllib.urlencode({'s': str(size),
                                      'd': default})
    return gravatar_url
:return: List[Qualifiers]
dataset/ETHPy150Open clione/django-kanban/src/core/userena/utils.py/get_gravatar--crossover with--dataset/ETHPy150Open ODM2/ODMToolsPython/odmtools/odmservices/series_service.py/SeriesService.get_all_qualifiers