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この例をpython docsから変更して、電子メールモジュールのunicodeをテストしました。ユニコードでHTMLメールを送信する
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, unicode_literals, print_function
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
# me == my email address
# you == recipient's email address
me = "[email protected]"
you = "[email protected]"
umlauts='German Umlauts: üöä ÜÖÄ ß'
# Create message container - the correct MIME type is multipart/alternative.
msg = MIMEMultipart('alternative')
msg['Subject'] = umlauts
msg['From'] = me
msg['To'] = you
# Create the body of the message (a plain-text and an HTML version).
text = umlauts
html = """\
<html>
<head></head>
<body>
<p>Hi!<br>
%s
</p>
</body>
</html>
""" % umlauts
# Record the MIME types of both parts - text/plain and text/html.
part1 = MIMEText(text, 'plain')
part2 = MIMEText(html, 'html')
# Attach parts into message container.
# According to RFC 2046, the last part of a multipart message, in this case
# the HTML message, is best and preferred.
msg.attach(part1)
msg.attach(part2)
# Send the message via local SMTP server.
s = smtplib.SMTP('localhost')
# sendmail function takes 3 arguments: sender's address, recipient's address
# and message to send - here it is sent as one string.
s.sendmail(me, you, msg.as_string())
s.quit()
出典：https://docs.python.org/2/library/email-examples.html#id4
私はこの例外を取得：
[email protected]:~$ python src/sendhtmlmail.py
Traceback (most recent call last):
File "src/sendhtmlmail.py", line 37, in <module>
part1 = MIMEText(text, 'plain')
File "/usr/lib/python2.7/email/mime/text.py", line 30, in __init__
self.set_payload(_text, _charset)
File "/usr/lib/python2.7/email/message.py", line 226, in set_payload
self.set_charset(charset)
File "/usr/lib/python2.7/email/message.py", line 262, in set_charset
self._payload = self._payload.encode(charset.output_charset)
UnicodeEncodeError: 'ascii' codec can't encode characters in position 16-18: ordinal not in range(128)
テキスト+ HTMLメールを送信したい場合はUnicodeを処理するためにどのように？
Python3へのアップデートが遅かれ早かれ、すべてのファイルで 'unicode_literals'の将来のインポートを使用します。実際のコードでは、文字はdbであり、pythonのソースファイルではありません:-) – guettli