imaplib.py 文件源码

def open(self, host = '', port = IMAP4_SSL_PORT):
            """Setup connection to remote server on "host:port".
                (default: localhost:standard IMAP4 SSL port).
            This connection will be used by the routines:
                read, readline, send, shutdown.
            """
            self.host = host
            self.port = port
            self.sock = socket.create_connection((host, port))
            self.sslobj = ssl.wrap_socket(self.sock, self.keyfile, self.certfile)
            self.file = self.sslobj.makefile('rb')