python判断文件是否存在目录中

##支持排除文件和目录
#!/usr/bin/python
#coding:utf-8
import osdef list_file(file_name):
data = []
file_name = file_name
with open(file_name,'r') as f:
for line in f.readlines():
line = line.strip('\n')
data.append(line)
return datadef list_dir(dir_name):
data = []
dir_name = dir_name
for root,dirs,files in os.walk(dir_name):
#exclude.txt写入需要排除比较的目录
for rdir in open("./exclude.txt"):
rdir = rdir.strip('\n')
if rdir in dirs:
dirs.remove(rdir)
#print dirs
for filename in files:
filepath = os.path.join(root,filename)
#f.write(filepath+'\n')
data.append(filepath)
return data
if __name__ == "__main__":
keep_file = 'file.txt'
local_dir = '/opt/app/fileops/testdir/'
keep_path = list_file(keep_file)
local_path = list_dir(local_dir)
for i in local_path:
if i not in keep_path:
#print os.path.getctime(i)
#os.remove(i)
print i