message.py 文件源码

def message(self):
        encoding = self.encoding or settings.DEFAULT_CHARSET
        msg = SafeMIMEText(self.body, self.content_subtype, encoding)
        msg = self._create_message(msg)
        msg['Subject'] = self.subject
        msg['From'] = self.extra_headers.get('From', self.from_email)
        msg['To'] = self.extra_headers.get('To', ', '.join(map(force_text, self.to)))
        if self.cc:
            msg['Cc'] = ', '.join(map(force_text, self.cc))
        if self.reply_to:
            msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(map(force_text, self.reply_to)))

        # Email header names are case-insensitive (RFC 2045), so we have to
        # accommodate that when doing comparisons.
        header_names = [key.lower() for key in self.extra_headers]
        if 'date' not in header_names:
            msg['Date'] = formatdate()
        if 'message-id' not in header_names:
            # Use cached DNS_NAME for performance
            msg['Message-ID'] = make_msgid(domain=DNS_NAME)
        for name, value in self.extra_headers.items():
            if name.lower() in ('from', 'to'):  # From and To are already handled
                continue
            msg[name] = value
        return msg