python批量解析邮件并下载附件

#-*- encoding: gb2312 -*-
import os
import email

def mail_to_text(mailname,datapath,index):
#由于批处理的邮件包含的附件名称相同，这里传入一个index作为区别符
fp=open(mailname,"r")
msg=email.message_from_file(fp)

for par in msg.walk():
if not par.is_multipart():
name=par.get_param("name")  #获取附件名

if name:
h=email.Header.Header(name)
dh=email.Header.decode_header(h)
fname = dh[0][0]

data=par.get_payload(decode=True)

try:
f=open(fname,'wb')
except:
data_name=str(h).replace('/','_')  #附件数据
f=open(datapath+'\\'+str(index)+data_name,'wb')
f.write(data)
f.close()

if __name__=='__main__':
dir="C:\\Users\\admin\\Desktop\\srcData\\"    #邮件存放路径
Dir=unicode(dir,"utf8")
datapath="C:\\Users\\admin\\Desktop\\destData"   #附件存放路径
DataPath=unicode(datapath,"utf8")
count=0

for filename in os.listdir(dir):
print filename
filename=unicode(dir+filename,"utf8")   #由于邮件名出现中文，所以统一用utf8编码，便于读取
print filename
count+=1
mail_to_text(filename,datapath,count)