read_graph6¶

read_graph6(path)[source]¶

Read simple undirected graphs in graph6 format from path.

Parameters:	path (file or string) – File or filename to write.
Returns:	G – If the file contains multiple lines then a list of graphs is returned
Return type:	Graph or list of Graphs
Raises:	NetworkXError – If the string is unable to be parsed in graph6 format

Examples

>>> nx.write_graph6(nx.Graph([(0,1)]), 'test.g6')
>>> G = nx.read_graph6('test.g6')
>>> sorted(G.edges())
[(0, 1)]

See also

generate_graph6(), parse_graph6(), write_graph6()

References

Graph6 specification: http://cs.anu.edu.au/~bdm/data/formats.txt for details.