This documents an unmaintained version of NetworkX. Please upgrade to a maintained version and see the current NetworkX documentation.
Source code for networkx.utils.contextmanagers
from __future__ import absolute_import from contextlib import contextmanager __all__ = [ 'reversed', ] @contextmanager[docs]def reversed(G): """A context manager for temporarily reversing a directed graph in place. This is a no-op for undirected graphs. Parameters ---------- G : graph A NetworkX graph. """ directed = G.is_directed() if directed: G.reverse(copy=False) try: yield finally: if directed: # Reverse the reverse. G.reverse(copy=False)