plopp.core.Node

class plopp.core.Node(func, *parents, **kwparents)

A node that can have parent and children nodes, to create a graph. A node can be constructed from a callable func, or a raw object. In the case of a raw object, a node wrapping the object will be created.

Parameters:

• func (Any) – The callable that is called when data is requested from the node. This can also be a raw object, in which case this becomes a callable that returns the object.

• *parents (Any) – Positional arguments that represent the positional arguments of the function func.

• *kwparents (Any) – Keyword arguments that represent the keyword arguments of the function func.

__init__(func, *parents, **kwparents)

Methods

__init__(func, *parents, **kwparents)
add_kwparents(**parents)	Add one or more keyword parents to the node.
add_parents(*parents)	Add one or more parents to the node.
add_view(view)	Add a view to the node.
notify_children(message)	Notify all of the node's children with message.
notify_views(message)	Notify the node's views with message.
remove()	Remove the node from the graph.
request_data()	Request data from the node.

Attributes

id	The unique uuid of the node.
input_value	The input value of the node, if it is an input node.
is_input_node	Whether the node is an input node.