标签:heapq python self heappush priority 队列 CompareAble joblist
https://blog.csdn.net/weixin_39702559/article/details/110971925
#coding:gbk
import heapq
# 使用heapq实现优先队列
#定义一个可比较对象
class CompareAble:
def __init__(self,priority,jobname):
self.priority = priority
self.jobname = jobname
def __cmp__(self, other):
if self.priority < other.priority:
return -1
elif self.priority == other.priority:
return 0
else:
return 1
joblist = []
heapq.heappush(joblist,CompareAble(80,'eat'))
heapq.heappush(joblist,CompareAble(70,'a write plan2'))
heapq.heappush(joblist,CompareAble(70,'write plan'))
heapq.heappush(joblist,CompareAble(90,'sleep'))
heapq.heappush(joblist,CompareAble(100,'write code'))
while joblist:
task = heapq.heappop(joblist)
print(task.priority,task.jobname)
标签:heapq,python,self,heappush,priority,队列,CompareAble,joblist 来源: https://www.cnblogs.com/douzujun/p/16558175.html
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