发送电子邮件

Question

这里MimeText用于当UTF-8编码的问题是我的代码，发送电子邮件的一部分：

servidor = smtplib.SMTP() 
servidor.connect(HOST, PORT) 
servidor.login(user, usenha) 
assunto = str(self.lineEdit.text()) 
para = str(globe_email)    
texto = self.textEdit.toPlainText() 
textos = str(texto) 
corpo = MIMEText(textos.encode('utf-8'), _charset='utf-8') 
corpo['From'] = user 
corpo['To'] = para 
corpo['Subject'] = assunto 
servidor.sendmail(user, [para], corpo.as_string()) 

一切，除了主题的一部分确定。 当我尝试发送一个字符串包含特殊字符（如“动作类”），它提出了这样的错误：

UnicodeEncodeError: 'ascii' codec can't encode characters in position 1-2: ordinal not in range(128) 

我怎么能MimeText用于中的主题发送电子邮件有特殊字符？

Answer 1

看来，在python3，需要Header对象编码Subject为 “UTF-8”：

>>> from email.mime.text import MIMEText 
>>> from email.header import Header 
>>> s = 'ação' 
>>> m = MIMEText(s.encode('utf-8'), 'plain', 'utf-8') 
>>> m['Subject'] = Header(s, 'utf-8') 
>>> m.as_string() 
'Content-Type: text/plain; charset="utf-8"\nMIME-Version: 1.0\nContent-Transfer-Encoding: base64\nSubject: =?utf-8?b?YcOnw6Nv?=\n\nYcOnw6Nv\n' 

所以原来的脚本将变成：

servidor = smtplib.SMTP() 
servidor.connect(HOST, PORT) 
servidor.login(user, usenha) 
assunto = str(self.lineEdit.text()) 
para = str(globe_email)    
texto = str(self.textEdit.toPlainText()) 
corpo = MIMEText(texto.encode('utf-8'), 'plain', 'utf-8') 
corpo['From'] = user 
corpo['To'] = para 
corpo['Subject'] = Header(assunto, 'utf-8') 
servidor.sendmail(user, [para], corpo.as_string())