human
Solve the following python programming problem given the following code:
@allow_cross_site_request
def manifest(request, uuid):
assistant
#Here is the Python program you requested.

    """Returns the "mini" manifest for packaged apps.
    If not a packaged app, returns a 404.
    """
    try:
        addon = Webapp.objects.all().only_translations().get(disabled_by_user=False, is_packaged=True, guid=uuid)
    except Webapp.DoesNotExist:
        raise http.Http404
    is_available = (addon.status in [mkt.STATUS_PUBLIC, mkt.STATUS_UNLISTED, mkt.STATUS_BLOCKED])
    if is_available:
        is_owner = is_available_to_owner = False
    else:
        is_owner = addon.authors.filter(pk=request.user.pk).exists()
        is_available_to_owner = (addon.status == mkt.STATUS_APPROVED)
    if (is_available or (is_available_to_owner and is_owner)):
        (manifest_content, manifest_etag) = addon.get_cached_manifest()
        @etag((lambda r, a: manifest_etag))
        def _inner_view(request, addon):
            response = http.HttpResponse(manifest_content, content_type=MANIFEST_CONTENT_TYPE)
            return response
        return _inner_view(request, addon)
    else:
        raise http.Http404