python是一门面向过程的语言_day5-python之面向过程编程
发布日期:2021-09-12 18:30:23 浏览次数:1 分类:技术文章

本文共 1166 字,大约阅读时间需要 3 分钟。

import os

def init(func):

def wrapper(*args, **kwargs):

g = func(*args, **kwargs)

next(g)

return g

return wrapper

# 第一阶段:找到所有文件的绝对路径

@init

def search(target):

while True:

filepath = yield

g = os.walk(filepath)

for pardir, _, files in g:

for file in files:

abspath = r'%s\%s' % (pardir, file)

target.send(abspath)

# search(r'C:\Users\Administrator\PycharmProjects\python18期周末班\day5\aaa')

# g=search()

# g.send(r'C:\Python27')

# 第二阶段:打开文件

@init

def opener(target):

while True:

abspath = yield

with open(abspath, 'rb') as f:

target.send((abspath, f))

# 第三阶段:循环读出每一行内容

@init

def cat(target):

while True:

abspath, f = yield # (abspath,f)

for line in f:

res = target.send((abspath, line))

if res: break

# 第四阶段:过滤

@init

def grep(pattern, target):

tag = False

while True:

abspath, line = yield tag

tag = False

if pattern in line:

target.send(abspath)

tag = True

# 第五阶段:打印该行属于的文件名

@init

def printer():

while True:

abspath = yield

print(abspath)

g = search(opener(cat(grep('os'.encode('utf-8'), printer()))))

# g.send(r'C:\Users\Administrator\PycharmProjects\python18期周末班\day5\aaa')

g.send(r'C:\Users\Administrator\PycharmProjects\python18期周末班') ##指定父目录

# a1.txt,a2.txt,b1.txt

转载地址:https://blog.csdn.net/weixin_39609822/article/details/110321157 如侵犯您的版权,请留言回复原文章的地址,我们会给您删除此文章,给您带来不便请您谅解!

上一篇:python判断是否为数字类型_python判断字符串是否为数字
下一篇:怎样判断电饭锅温度传感器的好坏?_车速120怎样判断发动机好坏?只要转速低于这个数,就是买对了...

发表评论

最新留言

哈哈,博客排版真的漂亮呢~
[***.90.31.176]2024年03月03日 02时40分21秒