详解python实现读取邮件数据并下载附件的实例_Python

详解python实现读取邮件数据并下载附件的实例
实现结果图：
详解python实现读取邮件数据并下载附件的实例
实现代码：
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									#!/usr/bin/python2.7

									# _*_ coding: utf-8 _*_

									"""

									@Author: MarkLiu

									"""

									import poplib

									import email

									from email.parser import Parser

									from email.header import decode_header

									from email.utils import parseaddr

									def decode_str(s):

									  value, charset = decode_header(s)[0]

									  if charset:

									    value = value.decode(charset)

									  return value

									def guess_charset(msg):

									  # 先从msg对象获取编码:

									  charset = msg.get_charset()

									  if charset is None:

									    # 如果获取不到，再从Content-Type字段获取:

									    content_type = msg.get('Content-Type', '').lower()

									    pos = content_type.find('charset=')

									    if pos >= 0:

									      charset = content_type[pos + 8:].strip()

									  return charset

									def get_email_headers(msg):

									  # 邮件的From, To, Subject存在于根对象上:

									  headers = {}

									  for header in ['From', 'To', 'Subject', 'Date']:

									    value = msg.get(header, '')

									    if value:

									      if header == 'Date':

									        headers['date'] = value

									      if header == 'Subject':

									        # 需要解码Subject字符串:

									        subject = decode_str(value)

									        headers['subject'] = subject

									      else:

									        # 需要解码Email地址:

									        hdr, addr = parseaddr(value)

									        name = decode_str(hdr)

									        value = u'%s <%s>' % (name, addr)

									        if header == 'From':

									          from_address = value

									          headers['from'] = from_address

									        else:

									          to_address = value

									          headers['to'] = to_address

									  content_type = msg.get_content_type()

									  print 'head content_type: ', content_type

									  return headers

									# indent用于缩进显示:

									def get_email_cntent(message, base_save_path):

									  j = 0

									  content = ''

									  attachment_files = []

									  for part in message.walk():

									    j = j + 1

									    file_name = part.get_filename()

									    contentType = part.get_content_type()

									    # 保存附件

									    if file_name: # Attachment

									      # Decode filename

									      h = email.Header.Header(file_name)

									      dh = email.Header.decode_header(h)

									      filename = dh[0][0]

									      if dh[0][1]: # 如果包含编码的格式，则按照该格式解码

									        filename = unicode(filename, dh[0][1])

									        filename = filename.encode("utf-8")

									      data = part.get_payload(decode=True)

									      att_file = open(base_save_path + filename, 'wb')

									      attachment_files.append(filename)

									      att_file.write(data)

									      att_file.close()

									    elif contentType == 'text/plain' or contentType == 'text/html':

									      # 保存正文

									      data = part.get_payload(decode=True)

									      charset = guess_charset(part)

									      if charset:

									        charset = charset.strip().split(';')[0]

									        print 'charset:', charset

									        data = data.decode(charset)

									      content = data

									  return content, attachment_files

									if __name__ == '__main__':

									  # 输入邮件地址, 口令和POP3服务器地址:

									  emailaddress = 'xxxxxx@163.com'

									  # 注意使用开通POP，SMTP等的授权码

									  password = 'xxxxxx'

									  pop3_server = 'pop.163.com'

									  # 连接到POP3服务器:

									  server = poplib.POP3(pop3_server)

									  # 可以打开或关闭调试信息:

									  # server.set_debuglevel(1)

									  # POP3服务器的欢迎文字:

									  print server.getwelcome()

									  # 身份认证:

									  server.user(emailaddress)

									  server.pass_(password)

									  # stat()返回邮件数量和占用空间:

									  messagesCount, messagesSize = server.stat()

									  print 'messagesCount:', messagesCount

									  print 'messagesSize:', messagesSize

									  # list()返回所有邮件的编号:

									  resp, mails, octets = server.list()

									  print '------ resp ------'

									  print resp # +OK 46 964346 响应的状态 邮件数量 邮件占用的空间大小

									  print '------ mails ------'

									  print mails # 所有邮件的编号及大小的编号list，['1 2211', '2 29908', ...]

									  print '------ octets ------'

									  print octets

									  # 获取最新一封邮件, 注意索引号从1开始:

									  length = len(mails)

									  for i in range(length):

									    resp, lines, octets = server.retr(i + 1)

									    # lines存储了邮件的原始文本的每一行,

									    # 可以获得整个邮件的原始文本:

									    msg_content = '\n'.join(lines)

									    # 把邮件内容解析为Message对象：

									    msg = Parser().parsestr(msg_content)

									    # 但是这个Message对象本身可能是一个MIMEMultipart对象，即包含嵌套的其他MIMEBase对象，

									    # 嵌套可能还不止一层。所以我们要递归地打印出Message对象的层次结构：

									    print '---------- 解析之后 ----------'

									    base_save_path = '/media/markliu/Entertainment/email_attachments/'

									    msg_headers = get_email_headers(msg)

									    content, attachment_files = get_email_cntent(msg, base_save_path)

									    print 'subject:', msg_headers['subject']

									    print 'from_address:', msg_headers['from']

									    print 'to_address:', msg_headers['to']

									    print 'date:', msg_headers['date']

									    print 'content:', content

									    print 'attachment_files: ', attachment_files

									  # 关闭连接:

									  server.quit()
以上就是python读取邮件并下载邮件附件的实例，如有疑问请留言或者到本站社区交流讨论，感谢阅读，希望能帮助到大家，谢谢大家对本站的支持！
原文链接：http://blog.csdn.net/mark_lq/article/details/51204081
详解python实现读取邮件数据并下载附件的实例

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