connection.py 文件源码

def connect(self):
        self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.socket.setblocking(0)
        self.set_keepalive()
        try:
            self.socket.connect(self.address)
        except socket.error, e:
            if e.errno == errno.EINPROGRESS:
                raise ConnectionInProgress()
            raise