The new (python3 or six) range is an iterator. You just have to wrap it with list( ) to get back to the python2 behaviour if needed.
Le mardi 6 décembre 2016 17:31:20 UTC+1, Frédéric Chapoton a écrit : > > DO NOT TOUCH the import of range from six.moves ! This is part of our > general move toward python3 ! > > And do never use xrange, this is now forbidden. > > Frederic > > Le mardi 6 décembre 2016 16:26:12 UTC+1, Peleg Michaeli a écrit : >> >> I actually think that this is an unwanted behaviour of `six`. >> >> Anyway, we may let `Graph` handle xrange lists of neighbours if we want >> to keep it that way. >> >> On Tuesday, 6 December 2016 17:18:29 UTC+2, Peleg Michaeli wrote: >>> >>> I have tried to move LollipopGraph into families, but there was a >>> problem. In families, there's the following import: >>> >>> from six.moves import range >>> >>> This overrides Python's range. I don't know why. The original >>> implementation of Lollipop graph uses Python's range, and when it tries to >>> use the new (six.moves) range it fails (with "This input cannot be turned >>> into a graph"). >>> >>> I can clearly fix this, by setting something like python_range = range >>> before the six.moves import, but it is not very elegant. I can also use >>> networkx's implementation of LollipopGraph (as done with BarbellGraph), but >>> I am not sure you consider this as the right direction to go. >>> >>> What do you think? >>> >>> On Wednesday, 30 November 2016 00:40:21 UTC+2, Dima Pasechnik wrote: >>>> >>>> >>>> >>>> On Tuesday, November 29, 2016 at 4:42:51 PM UTC, Peleg Michaeli wrote: >>>>> >>>>> Dear list members, >>>>> >>>>> I was wondering what really makes the difference between the graph >>>>> generators in `basic.py` and those in `families.py`. >>>>> >>>>> For one concrete example, I was wondering why `LollipopGraph` appears >>>>> in `basic.py` and `BarbellGraph` appears in `families.py`. These two >>>>> graphs >>>>> are very similar. >>>>> >>>>> I ask this for a practical reason: I would like to add a couple of >>>>> graph families, including the Tadpole graph (which is very similar to the >>>>> Lollipop graph and the Barbell graph) and the Dipole graph (which is one >>>>> of >>>>> the simplest multigraphs). >>>>> >>>>> What do you think? >>>>> >>>> >>>> I think all of them could go into families.py >>>> >>>> >>>>> >>>>> >>>>> Best, >>>>> Peleg. >>>>> >>>> -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
