def genQueries()

in QueryGenerator.py [0:0]


    def genQueries(self):
        # reassign the qid's and ensure queries are ordered by idx
        iters = [qg.genQueries() for qg in self.query_generators]
            
        for i, it in enumerate(iters):
            q = next(it, None)
            if q is not None:
                self.heap.append((q, i))
            
        heapq.heapify(self.heap)
        qid = 0
        while self.heap:
            q, i = heapq.heappop(self.heap)
            q.qid = qid
            qid += 1
            yield q
            
            nextq = next(iters[i], None)
            if nextq is not None:
                heapq.heappush(self.heap, (nextq, i))