eml邮件格式转换为html-python

# -*- coding: utf-8 -*-  
__author__ = 'fremcode@gmail.com'  
  
import os  
import sys  
import email  
import errno  
import mimetypes  
  
PATH = os.path.abspath(os.path.dirname(sys.argv[0]))  
ITEM_PATH = PATH + "item"  
PATH_DATA = os.path.abspath(os.path.dirname(sys.argv[0]))+"data"  
  
def item(eml_file,eml_name):     
  
    fp = open(eml_file)  
    html_name = eml_name.split('.')  
    html = html_name[0]+html_name[1]  
    msg = email.message_from_file(fp)  
    fp.close()  
  
    counter = 1  
    for part in msg.walk():  
  
        if part.get_content_maintype() == 'multipart':  
            continue  
  
        filename = part.get_filename()  
        #print filename  
        if not filename:  
            ext = mimetypes.guess_extension(part.get_content_type())  
            if not ext:  
                ext = '.bin'  
            filename = html+'part-%03d%s' % (counter, ext)  
            counter += 1  
            try:  
                fp = open(os.path.join(ITEM_PATH, filename), 'wb')  
                fp.write(part.get_payload(decode=True))  
                fp.close()  
            except IOError:  
                pass  
            except TypeError:  
                pass  
  
def main():  
    for root,dirs,files in os.walk(PATH_DATA):  
        for _dir in dirs:  
            if os.path.isdir("item"):  
                pass  
            else:  
                os.mkdir("_dirhtml")  
  
        for _file in files:  
            eml_file = os.path.join(root, _file)  
            item(eml_file, _file)  
  
  
if __name__ == '__main__':  
    main()