python开发_email_读取邮件头信息

659441806

　　在python中的类库中，python自带了email模块。
　　在email模块中，我们可以email类库实现对邮件的读取，和邮件的发送等功能。
　　本文先来谈谈在python中，利用email模块读取邮件头.....
　　先来看看一封百度云发给我的邮件：

　　下面是邮件的具体信息：



Date: Tue, 30 Jul 2013 16:53:17 +0800
Received: from db-sysnoc-mailrelay3.db01.baidu (unknown [123.125.66.194])
by newmx38.qq.com (NewMx) with SMTP id
for ; Tue, 30 Jul 2013 16:53:16 +0800
X-QQ-SSF: 00500000010000010rF000C1040000r
X-QQ-mid: mx38t1375174396thkz17254
Received: from mail-out.sys.baidu.com (cq01-passport-mis00.cq01.baidu.com [10.46.78.11])
by db-sysnoc-mailrelay3.db01.baidu.com (Postfix) with SMTP id 515EF798060
for ; Tue, 30 Jul 2013 16:53:16 +0800 (CST)
From: =?UTF-8?B?YmFpZHU=?=
To: =?UTF-8?B?aG9uZ3RlbnpvbmVAZm94bWFpbC5jb20=?=
Subject: =?UTF-8?B?55m+5bqm5LqR6YCB5L2gMTAwR+WtmOWCqOepuumXtOmAmuefpQ==?=
MIME-Version: 1.0
Content-Type: text/html;
charset="UTF-8"
Content-Transfer-Encoding: base64
PFA+PEEgaHJlZj0iaHR0cDovL3l1bi5iYWlkdS5jb20vMTAwPz1tYWlsMiI+PElNRyBzdHlsZT0i
RElTUExBWTogYmxvY2s7IE1BUkdJTi1MRUZUOiBhdXRvOyBNQVJHSU4tUklHSFQ6IGF1dG8iIHNy
Yz0iaHR0cDovL3Bhbi5iYWlkdS5jb20vcmVzL3N0YXRpYy9pbWFnZXMvY21zL3dvcmxkLTEwMC5q
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VCBjb2xvcj0jMDAwMDAwPkhvbmdfdGVuX3pvbmXvvIzmgqjnmoTnmb7luqbkupHlrrnph488Rk9O
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TlQgY29sb3I9I2ZmMDAwMCBzaXplPTM+PEEgaHJlZj0iaHR0cDovL3l1bi5iYWlkdS5jb20vMTAw
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b3I9I2ZmMDAwMCBmYWNlPeWui+S9kz7vvIjmnKzkvJjmg6Dnu63mnJ/kuLrmgqjkuJPkuqvnibnm
nYPvvIzor7fli7/ovazlj5HjgIHlpJbms4TvvIzosKLosKLmlK/mjIHvvIHvvIk8L0ZPTlQ+PC9G
T05UPjwvUD4=

　　下面是我做的demo：
　　运行效果：

　　===========================================
　　代码部分：
　　===========================================



  1 #python mail
  2
  3 import os
  4 import email
  5
  6 #邮件文件的存放位置
  7 PATH = ''
  8
  9 #读取文件
10 def read_mail(path):
11     if os.path.exists(path):
12         with open(path) as fp:
13             for line in fp:
14                 print(line)
15     else:
16         not_find_file()
17
18 #打开一个文件   
19 def open_file(path):
20     if os.path.exists(path):
21         return open(path, 'r')
22     else:
23         not_find_file()
24
25 #创建消息对象
26 def get_message(path):
27     if os.path.exists(path):
28         fp = open_file(path)
29         return email.message_from_file(fp)
30     else:
31        not_find_file()
32
33 #获取subject对象
34 def get_subject(path):
35     if os.path.exists(path):
36         message = get_message(path)
37         return message.get('subject')
38     else:
39         not_find_file()
40
41 #解析subject对象
42 def parse_subject(msg):
43     if msg != None:
44         subject = msg.get('subject')
45         #header = email.Header.Header(subject)
46         #decode_h = email.Header.decode_header(header)
47         #return decode_h[0][0]
48     else:
49         empty_obj()
50
51 #获取发件人邮箱   
52 def get_from(msg):
53     if msg != None:
54         return email.utils.parseaddr(msg.get("from"))[1]
55     else:
56         empty_obj()
57
58 #获取收件人邮箱
59 def get_to(msg):
60     if msg != None:
61         return email.utils.parseaddr(msg.get('to'))[1]
62     else:
63         empty_obj()
64
65
66 #获取邮件的生成时间
67 def get_date(msg):
68     if msg != None:
69         return email.utils.parseaddr(msg.get('date'))[1]
70     else:
71         empty_obj()
72
73 #获取邮件的生成版本
74 def get_mime_version(msg):
75     if msg != None:
76         return email.utils.parseaddr(msg.get('mime-version'))[1]
77     else:
78         empty_obj()
79
80 #获取邮件的文本类型
81 def get_content_type(msg):
82     if msg != None:
83         return email.utils.parseaddr(msg.get('content-type'))[1]
84     else:
85         empty_obj()
86
87 #获取邮件的邮件的id
88 def get_message_id(msg):
89     if msg != None:
90         return email.utils.parseaddr(msg.get('message-id'))[1]
91     else:
92         empty_obj()
93
94
95 #文件不存在
96 def not_find_file():
97     print('文件不存在!')
98
99 #msg is empty
100 def empty_obj():
101     print('msg is empty!')
102     
103 def main():
104     global PATH
105     PATH = 'E:\\test_mail.eml'
106     print(PATH)
107     msg = get_message(PATH)
108     #print(msg)
109     print('#' * 50)
110     print('subject:{}'.format(get_subject(PATH)))
111     print('#' * 50)
112     print(parse_subject(msg))
113     print('#' * 50)
114     print('from:{}'.format(get_from(msg)))
115     print('to:{}'.format(get_to(msg)))
116     print('date:{}'.format(get_date(msg)))
117     print('mime-version:{}'.format(get_mime_version(msg)))
118     print('content-type:{}'.format(get_content_type(msg)))
119     print('message-id:{}'.format(get_message_id(msg)))
120
121 if __name__ == '__main__':
122     main()
123