python3 多线程浏览文件夹
# 反而比单线程慢。# 是cpu限制了吗?双核cpu
# 线程暴增!
# 方法或者方向错了?
'''
# 多线程加递归
# BUG未知
# 测试版
# 可以导入re模块正则匹配文件
# by GIN
# 2020/07/28
'''
#coding=utf-8
import os
import threading
import time
COUNT = 0 #文件数量
P = r'd:\\'
def test(fun):
def pk(*args, **kw):
b = time.time()
fun(*args, **kw)
print(time.time() - b)
return pk
def dir_parse(path):
# global COUNT
# print(path)
for root,dirs,files in os.walk(path):
#print(path, '===',len(files)) #当前文件夹下面的文件数量
global COUNT
COUNT += len(files)
if dirs:
th =
for i in th:
i.start()
for j in th:
j.join()
dirs.clear()
# return
else:
return None
class mythread(threading.Thread):
def __init__(self, fun, agrs):
threading.Thread.__init__(self)
self.fun = fun
self.agrs = agrs
def run(self):
self.fun(self.agrs)
def nothread(path):
for root,dirs,files in os.walk(path):
global COUNT
# print(dirs)
COUNT += len(files)
@test
def main():
dir_parse(P)
print(COUNT)
@test
def main1():
global COUNT
COUNT = 0
nothread(P)
print(COUNT)
if __name__ == '__main__':
main()
main1()
result:
20926
0.5148007869720459
20926
0.42220091819763184
请按任意键继续. . . 多线程玩的溜 hrp 发表于 2020-7-28 16:23
多线程玩的溜
怎么说呢!理解表面意思吧!底层也不了解!
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