@staff_member_required
def sponsor_export_data(request):
    sponsors = []
    data = ""

    for sponsor in Sponsor.objects.order_by("added"):
        d = {
            "name": sponsor.name,
            "url": sponsor.external_url,
            "level": (sponsor.level.order, sponsor.level.name),
            "description": "",
        }
        for sponsor_benefit in sponsor.sponsor_benefits.all():
            if sponsor_benefit.benefit_id == 2:
                d["description"] = sponsor_benefit.text
        sponsors.append(d)

    def izip_longest(*args):
        fv = None

        def sentinel(counter=([fv] * (len(args) - 1)).pop):
            yield counter()
        iters = [itertools.chain(it, sentinel(), itertools.repeat(fv)) for it in args]
        try:
            for tup in itertools.izip(*iters):
                yield tup
        except __HOLE__:
            pass

    def pairwise(iterable):
        a, b = itertools.tee(iterable)
        b.next()
        return izip_longest(a, b)

    def level_key(s):
        return s["level"]

    for level, level_sponsors in itertools.groupby(sorted(sponsors, key=level_key), level_key):
        data += "%s\n" % ("-" * (len(level[1]) + 4))
        data += "| %s |\n" % level[1]
        data += "%s\n\n" % ("-" * (len(level[1]) + 4))
        for sponsor, next in pairwise(level_sponsors):
            description = sponsor["description"].strip()
            description = description if description else "-- NO DESCRIPTION FOR THIS SPONSOR --"
            data += "%s\n\n%s" % (sponsor["name"], description)
            if next is not None:
                data += "\n\n%s\n\n" % ("-" * 80)
            else:
                data += "\n\n"

    return HttpResponse(data, content_type="text/plain;charset=utf-8")
dataset/ETHPy150Open pinax/symposion/symposion/sponsorship/views.py/sponsor_export_data