删除指定格式的文件

#!/usr/bin/python

"""
2015.07.02
Clean all the genrated files during compile.             Edited by Grey
"""

import os,re

def CleanAll(file_ext):
	# remove all files in bin
	for root,dirs,files in os.walk('./bin'):
		for each_file in files:
			try:
				os.chdir('./bin')
				os.remove(each_file)
				os.chdir('../')
			except:
				pass
	# remove all object files in source foulder
	for root,dirs,files in os.walk('./'):
		pwd = os.getcwd()
		os.chdir(root)
		object_file_list = [f for f in os.listdir('.') if f.endswith(file_ext)]
		for file in object_file_list:
			os.remove(file)
		os.chdir(pwd)

CleanAll('.o')
CleanAll('.rar')
CleanAll('.xls')
CleanAll('.xlsx')
CleanAll('.tmp')
CleanAll('.txt')
CleanAll('.lnk')
CleanAll('.doc')
CleanAll('.docx')
CleanAll('.ppt')
CleanAll('.pptx')
CleanAll('.bak')
CleanAll('.c')
CleanAll('.h')
CleanAll('.pdf')
print "All the files and all the files in 'bin' have been removed!"