[Networkit] request for comments: edge ids and attributes
uagws at student.kit.edu
Tue Jun 10 20:05:39 CEST 2014
On 10.06.2014 17:03, Marvin Ritter wrote:
> Do you ever want to use GraphWithEdgeAttributes in Python or should it only be
> used by in algorithms in C++?
I have to admit that I didn't think that much about Cythons problems
with mapping inheritance, but it might actually work out quite well to
not expose the inheritance to it (the python class currently only holds
a pointer to a C++-graph; I am quite positive that it wouldn't be that
much work to say that this is a pointer to either the base or an
Concerning the templates: We have a more general problem there: If we
want to enable Attributes that are more flexible than just strings, we
have to be able to safe arbitrary python-objects in C++; My guess (I
know little about Python close to nothing about Cython) is that there is
some way to do this via something like std::unique_ptr<python_object>.
If this is the case we could easily follow the approach that I lined out
and just use that special-case for python (Leaving the more powerful
Interface for C++-users only; I don't think this would be a problem
since the python users can safe all of their types, while the
implementation at the C++ side is almost exactly the same).
# may point to C++-Graph or
# other stuff
C++: see my last mail
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