Working with igraph in a project, we encounter serious timing issues. Running cProfile on the worst function, we realize that this code takes a lot of time: [ partition.membership[x.index] if x.index < len(partition.membership) else -1 for x in G.vs ] where G is a Graph. Looking at the documentation, it appears that membership is a property returning a copy of the membership: @property def membership(self): """Returns the membership vector.""" return self._membership[:] Is there a reason for returning an explicit copy and not just self._membership? Continue reading...
