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Note

This documents the development version of NetworkX. Documentation for the current release can be found here.

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networkx.algorithms.euler.eulerian_path

eulerian_path(G, source=None, keys=False)[source]

Return an iterator over the edges of an Eulerian path in G.

Parameters

  • G (NetworkX Graph) – The graph in which to look for an eulerian path.

  • source (node or None (default: None)) – The node at which to start the search. None means search over all starting nodes.

  • keys (Bool (default: False)) – Indicates whether to yield edge 3-tuples (u, v, edge_key). The default yields edge 2-tuples

Yields

  • Edge tuples along the eulerian path.

  • Warning (If source provided is not the start node of an Euler path)

  • will raise error even if an Euler Path exists.