Nodes basics

Showcases the basic pyaseba.client.Node interface.

from pyaseba.client import Node

pyaseba.client.Node are stateful objects linked to a specific remote Aseba node connected through a pyaseba.client.Client.

node = Node(cached=False)
node.connect(target="tcp:port=33333")
node

<Node 0 on tcp:port=33333>

While most pyaseba.client.Client methods require selecting a node_id, pyaseba.client.Node methods keep a reference to the node ID and network, which can be used to, for example, set and get variables.

node.set("value", 1)
node.get("value")

1

Nodes keep an optional cache of Aseba variables values.

node.get("value", cached=True)

1

node.set("value", 2, cached=True)

When caching, modified values are not sent to the remote node.

node.get("value", cached=False)

1

Until calling pyaseba.client.sync()

node.sync()
node.get("value", cached=False)

2

Closing the node will also close the client.

node.close(reset=True)