提取电子邮件收到：标题与Python电子邮件包 [英] extracting email Received: headers with Python email package
问题描述
我想从邮件中提取最终 Received：email标题。我从 email.message_from_file（）返回的消息。
I'd like to extract the Final Received: email header from a message. I have the Message as returned from email.message_from_file().
使用消息.get（）或 Message.get_item（）方法不能保证我将获得的许多Received：标头中的哪一个。 Message.get_all（）返回全部，但不保证订单。有没有办法得到最后一个？
Using the Message.get() or Message.get_item() methods don't guarantee which of the many Received: headers I will get. Message.get_all() returns them all, but doesn't guarantee an order. Is there a way to be guaranteed to get the last one?
推荐答案
收到：标头是时间戳的：
Received: from lb-ex1.int.icgroup.com (localhost [127.0.0.1])
by lb-ex1.localdomain (Postfix) with ESMTP id D6BDB1E26393
for <hd1@example.com>; Fri, 12 Dec 2014 12:09:24 -0500 (EST)
所以，做 messageInstance.get_all（）和排序所得列表，但你认为合适，一个例子如何做到这一点：
So, do messageInstance.get_all() and sort the resulting list however you see fit, an example of how to do this:
import email.utils
import operator
def sort_key(received_header):
received_date = email.utils.parsedate_tz(received_header)
return received_date
received_header_list.sort(key=sort_key)
如果不行，请留言，我会很乐意进一步研究。
If it doesn't work, do leave a comment and I'll be happy to look into it further.
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