smtplib.py 文件源码

def data(self, msg):
        """SMTP 'DATA' command -- sends message data to server.

        Automatically quotes lines beginning with a period per rfc821.
        Raises SMTPDataError if there is an unexpected reply to the
        DATA command; the return value from this method is the final
        response code received when the all data is sent.
        """
        self.putcmd("data")
        (code, repl) = self.getreply()
        if self.debuglevel > 0:
            print>>stderr, "data:", (code, repl)
        if code != 354:
            raise SMTPDataError(code, repl)
        else:
            q = quotedata(msg)
            if q[-2:] != CRLF:
                q = q + CRLF
            q = q + "." + CRLF
            self.send(q)
            (code, msg) = self.getreply()
            if self.debuglevel > 0:
                print>>stderr, "data:", (code, msg)
            return (code, msg)