molfoundry.RuleVertex

class molfoundry.RuleVertex(class_ref, *args)

One vertex of a rule’s span, identified by its rule node id.

left and right are the vertex as matched and as produced. A side is None when the rule does not have the vertex there: left is None for a created vertex, right for a deleted one.

Parameters:

class_ref (Any)

property id: int

property membership: Membership

property left: RuleVertexSide | None

property right: RuleVertexSide | None

property leftLabel: str | None

The left-side label, or None when the rule creates the vertex.

property rightLabel: str | None

The right-side label, or None when the rule deletes the vertex.

property isContext: bool

property isChanged: bool

property isCreated: bool

property isDeleted: bool

property isPreserved: bool

Present on both sides – pure context or relabeled, not created/deleted.

property changesLabel: bool

Preserved but with a different label on each side (ignoring stereo).