Python修改文件内容

#coding:utf8
import os

def modify_file(old_file, new_version, old_version="https"):
"""
修改文件内容
"""
if os.path.isfile(old_file):
try:
new_file = "%s.bak" % old_file
temp = file(new_file, "wb")
with open(old_file, "rb") as f:
for line in f.readlines():
temp.write(line.replace(old_version, new_version))
temp.close()
os.remove(old_file)
os.rename(new_file, old_file)
except Exception,e:
print e.message
return True
else:
return False

def file_list(new_version):
"""
获取文件列表
"""
filelist = ["D:\当前版本号.txt", "D:\当前版本号.py", r"D:\D盘\version.ini"]
try:
for f in filelist:
modify_file(f.decode("utf8"), new_version)
print "修改完成！"
except Exception,e:
print e.message

if __name__ == "__main__":
new_version = "ftp"
file_list(new_version)