Planarity - Graph Planarity Tools

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library 0.6 ·python maintenance
verified May 1, 2026

Planarity is a Python package for testing and manipulating the planarity of undirected graphs. It wraps the Boyer-Myrvold planarity algorithm (C library) and provides functions like is_planar, kuratowski_subgraph, and planar_embedding. The current version is 0.6, released with Cython 3 support, but the library is in maintenance mode with infrequent updates.

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