New submission from Dongying Zhang <zhangdongying1...@gmail.com>:
The as_string method in mime classes in module email.mime use base64 to encode
the text, but segmentedly while the text contents non-acsii characters and is
in type of unicode. This behavior confuse some of the email servers.
For example:
===================================================================
#-*- coding: utf-8 -*-
import base64
from email.mime.text import MIMEText
content = u'''Hello:
这是一封测试邮件.
Please remove this message after reading,
and I hope this won't bother you for a long time
'''
m = MIMEText(content, 'plain', 'utf-8')
print m.as_string()
m = MIMEText(content.encode('utf-8'), 'plain', 'utf-8')
print m.as_string()
print base64.encodestring(content.encode('utf-8'))
===================================================================
The first as_string method gives:
-------------------------------------------------------------------
SGVsbG86CiAgICDov5nmmK/kuIDlsIHmtYvor5Xpgq7ku7YuCiAgIFBsZWFzZSByZW1vdmUgdGhpcyBtZXNzYWdlIGFmdGVyIA==
cmVhZGluZywKICAgYW5kIEkgaG9wZSB0aGlzIHdvbid0IGJvdGhlciB5b3UgZm9yIGEgbG9uZyB0
aW1lCg==
-------------------------------------------------------------------
Please notice that there is a '==' at the end of the first line.
The output of both the second as_string and base64.encodestring method maybe
more appropriate, which is:
-------------------------------------------------------------------
SGVsbG86CiAgICDov5nmmK/kuIDlsIHmtYvor5Xpgq7ku7YuCiAgIFBsZWFzZSByZW1vdmUgdGhp
cyBtZXNzYWdlIGFmdGVyIHJlYWRpbmcsCiAgIGFuZCBJIGhvcGUgdGhpcyB3b24ndCBib3RoZXIg
eW91IGZvciBhIGxvbmcgdGltZQo=
----------
components: IO
files: test.py
messages: 100380
nosy: zhangdongying
severity: normal
status: open
title: "as_string" method in email's mime objects encode text segmentedly
type: behavior
versions: Python 2.6
Added file: http://bugs.python.org/file16428/test.py
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue8054>
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