python开发_email_读取邮件头信息
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 )
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 )
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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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
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"))
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'))
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'))
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'))
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'))
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'))
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
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