rrule.py 文件源码

def __next__(self):
            try:
                self.dt = advance_iterator(self.gen)
            except StopIteration:
                if self.genlist[0] is self:
                    heapq.heappop(self.genlist)
                else:
                    self.genlist.remove(self)
                    heapq.heapify(self.genlist)