面向过程式编程

 1 import os
 2 path = ‘H:\\jimmy‘
 3 
 4 def ne(func):
 5     """装饰器功能：为解决生成器需要用next初始化的问题"""
 6     def wrapper(*args,**kwargs):
 7         res = func(*args,**kwargs)
 8         next(res)
 9         return res
10     return wrapper
11 
12 @ne
13 def search(target):
14     """函数功能为：查询指定的目录中的文件和目录"""
15     while True:
16         dir_name = yield
17         path_g = os.walk(dir_name)
18         for i in path_g:
19             for j in i[-1]:
20                 file_path = ‘%s\\%s‘%(i[0],j)
21                 target.send(file_path)
22 
23 @ne
24 def openner(target):
25     """函数功能为：打开文件"""
26     while True:
27         file_path = yield
28         with open(file_path,mode=‘r‘,encoding=‘utf-8‘) as f:
29             target.send((f,file_path))
30 
31 @ne
32 def cat(target):
33     """函数功能为：得到文件的内容"""
34     while True:
35         f,file_path = yield
36         for line in f :
37             target.send((line,file_path))
38 
39 @ne
40 def filter(partten,target):
41     """函数功能为：过滤打开文件后的指定内容"""
42     while True:
43         line,file_path = yield
44         if partten in line:
45             target.send(file_path)
46 
47 @ne
48 def printer():
49     """函数功能为：打印筛选文件后的文件路径"""
50     while True:
51         file_path = yield
52         print(file_path)
53 
54 g = search(openner(cat(filter(‘python‘,printer()))))
55 g.send(path)