#!\urs\bin\env python
#encoding:utf-8 #设置编码方式
import os
import re
class loop_file:
def __init__(self, root_dir, short_exclude=[], long_exclude=[], file_extend=[]):
self.root_dir = root_dir
self.short_exclude = short_exclude
self.long_exclude = long_exclude
self.file_extend = file_extend

def __del__(self):
pass

def start(self, func):
self.func = func
return self.loop_file(self.root_dir)

def loop_file(self, root_dir):
t_sum = []
sub_gen = os.listdir(root_dir)
for sub in sub_gen:
is_exclude = False
for extends in self.short_exclude: ##在不检查文件、目录范围中
if extends in sub: ##包含特定内容
is_exclude = True
break
if re.search(extends, sub): ##匹配指定正则
is_exclude = True
break
if is_exclude:
continue
abs_path = os.path.join(root_dir, sub)
is_exclude = False
for exclude in self.long_exclude:
if exclude == abs_path[-len(exclude):]:
is_exclude = True
break
if is_exclude:
continue
if os.path.isdir(abs_path):
t_sum.extend(self.loop_file(abs_path))
elif os.path.isfile(abs_path):
if not "." + abs_path.rsplit(".", 1)[1] in self.file_extend: ##不在后缀名 检查范围中
continue
t_sum.append(self.func(abs_path))
return t_sum

if '__main__'==__name__:
root_dir = r'D:\harness\newshoppingcart\testcase\promo\single_promo'
short_exclude = ['.svn', '.*_new.rb'] ###不包含检查的短目录、文件
long_exclude = [] ###不包含检查的长目录、文件
file_extend = ['.rb'] ###包含检查的文件类型
lf = loop_file(root_dir, short_exclude, long_exclude, file_extend)
for f in lf.start(lambda f: f):
print f


给定一个主目录,循环其下特定过滤规则的文件,并传给自定义的处理函数,最后返回每一个自定义函数返回的结果内容的列表。