Read graphs in Pajek format.
This implementation handles directed and undirected graphs including those with self loops and parallel edges.
See http://vlado.fmf.uni-lj.si/pub/networks/pajek/doc/draweps.htm for format information.
| read_pajek(path[, encoding]) | Read graph in Pajek format from path. |
| write_pajek(G, path[, encoding]) | Write graph in Pajek format to path. |
| parse_pajek(lines) | Parse Pajek format graph from string or iterable. |