Graph Importers

Used by the GraphWidget.import_graph method.

Graph Tool Importer

Importer for graphs from the graph tool package.

Notes

• Graph properties are ignored.
• Nodes and edges are identified by index.
• Node and edge properties are extracted from corresponding property maps.
• Default values for unset properties are used, due to the way graph tool properties work.

igraph Importer

Importer for graphs from the igraph package.

Notes

• Nodes and edges are identified by index attribute.
• Node and edge properties are provided through attributes method.
• Edges are determined by source and target attribute.

Networkx Importer

Importer for graphs from the networkx package.

Notes

• Graph attributes are ignored.
• Node identifiers are saved under property key label (or yf_label if key label already exists).
• Node identifiers have to be unique.
• Subgraphs (graph as node, see here) are not supported.

PyGraphviz Importer

Importer for graphs from the pygraphviz package.

Notes

• Graph attributes are ignored.
• Node names are saved under property key label (or yf_label if key label already exists).
• Node names have to be unique.
• Unspecified default node/edge attributes are empty (and shown as null in data viewer).
• Subgraphs are dissolved.

Neo4j Importer

Importer for graphs from Neo4j.

Notes

• All properties are loaded into the data item
• Neo4j node labels are combined with ':' and added as 'label' property on the item
• Relationship types are added as 'label' property on the item