3 ŠdMã@s*ddlmZddlZdgZedd„ƒZdS)é)ÚcontextmanagerNÚreversedc csfd}tj|tƒ|jƒ}|r6|j|j|_|_|j|_z dVWd|r`|j|j|_|_|j|_XdS)aâA context manager for temporarily reversing a directed graph in place. This is a no-op for undirected graphs. Parameters ---------- G : graph A NetworkX graph. Warning ------- The reversed context manager is deprecated in favor of G.reverse(copy=False). The view allows multiple threads to use the same graph without confusion while the context manager does not. This context manager is scheduled to be removed in version 3.0. z|context manager reversed is deprecated and to be removed in 3.0.Use G.reverse(copy=False) if G.is_directed() else G instead.N)ÚwarningsÚwarnÚDeprecationWarningZ is_directedZ_succZ_predZ_adj)ÚGÚmsgZdirected©r úB/tmp/pip-build-7vycvbft/networkx/networkx/utils/contextmanagers.pyrs  )Ú contextlibrrÚ__all__rr r r r Ús