networkx.readwrite.generate_graph6¶

networkx.readwrite.generate_graph6(G, nodes=None, header=True)[source]¶

Generate graph6 format string from a simple undirected graph.

Parameters:	G : Graph (undirected) nodes: list or iterable Nodes are labeled 0...n-1 in the order provided. If None the ordering given by G.nodes() is used. header: bool If True add ‘>>graph6<<’ string to head of data
Returns:	s : string String in graph6 format
Raises:	NetworkXError If the graph is directed or has parallel edges

See also

read_graph6, parse_graph6, write_graph6

Notes

The format does not support edge or node labels, parallel edges or self loops. If self loops are present they are silently ignored.

References

[R1262]

Graph6 specification <http://users.cecs.anu.edu.au/~bdm/data/formats.html>

Examples

>>> G = nx.Graph([(0, 1)])
>>> nx.generate_graph6(G)
'>>graph6<<A_'