Synnefo

def get_qh_users_holdings(users=None):

    qh = Quotaholder.get()

    if users is None or len(users) != 1:

        req = None

    else:

        req = users[0]

    quotas = qh.service_get_quotas(req)

    if users is None:

        return quotas

    qs = {}

    for user in users:

        try:

            qs[user] = quotas[user]

        except KeyError:

            pass

    return qs