def groupRequest(self, group):
        try:
            g = self.dbm['groups'][group]
        except __HOLE__:
            return defer.fail(NewsServerError("No such group: " + group))
        else:
            flags = g.flags
            low = g.minArticle
            high = g.maxArticle
            num = high - low + 1
            return defer.succeed((group, num, high, low, flags))
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/news/database.py/NewsShelf.groupRequest