python获取outlook导出eml文件中附件代码

background:
离职，公司邮箱是一直从浏览器来访问的，所以邮件在本地保存不了。如果没有附件的话可以直接用word打开。但是有附件就会打开出错。
同时导出也只能是eml格式
其实里边就是文本信息，邮件发送也是这些文本。
所以就很简单了

复用了以前 的代码

#!/usr/bin/env python
#encoding=utf-8
"""
Copyright (c) 2012 ekse <[email protected]>
All rights reserved.
"""

import email, os
from optparse import OptionParser

class work:
    # class to get attachement
    def __init__(self, directory = ‘./‘):
        self.directory = directory
        self.body = ‘‘

    def getAtt(self):
        # traverse the directory
        for root, dirs, files in os.walk(self.directory):
            for fl in files:
                routine = self.directory + r‘\\‘ + fl
                print routine
                filepointer = open(routine, ‘r‘)
                # read file as email
                for line in filepointer:
                    self.body += line
                mail = email.message_from_string(self.body)
                # walk the stream, get attachement
                for part in mail.walk():
                    filename = email.Header.decode_header                            (part.get_filename())[0][0]
                    att_path = os.path.join(self.directory, filename)
                    outfile = open(att_path, ‘wb‘)
                    if part.get_payload(decode = True):
                        outfile.write(part.get_payload(decode = True))
                    outfile.close()

def main():
    # use OptionParser to privide opt
    usage = "usage: %prog [options] arg"
    parser = OptionParser(usage)
    parser.add_option("-d", "--dir", dest="directory",
                            help="processing directory")
    opt, args = parser.parse_args()
    p = work(opt.directory)
    p.getAtt()

if __name__ == ‘__main__‘:
    main()