Read graphs in GML format. See http://www.infosun.fim.uni-passau.de/Graphlet/GML/gml-tr.html for format specification.
Example graphs in GML format: http://www-personal.umich.edu/~mejn/netdata/
Requires pyparsing: http://pyparsing.wikispaces.com/
| read_gml(path) | Read graph in GML format from path. |
| write_gml(G, path) | Write the graph G in GML format to the file or file handle path. |
| parse_gml(lines) | Parse GML graph from a string or iterable. |