Warning

This documents an unmaintained version of NetworkX. Please upgrade to a maintained version and see the current NetworkX documentation.

write_gpickle

write_gpickle(G, path, protocol=2)

Write graph in Python pickle format.

Pickles are a serialized byte stream of a Python object [1]. This format will preserve Python objects used as nodes or edges.

Parameters:

• G (graph) – A NetworkX graph
• path (file or string) – File or filename to write. Filenames ending in .gz or .bz2 will be compressed.
• protocol (integer) – Pickling protocol to use. Default value: pickle.HIGHEST_PROTOCOL.

Examples

>>> G = nx.path_graph(4)
>>> nx.write_gpickle(G, "test.gpickle")

References

[1]	http://docs.python.org/library/pickle.html