graph_generation.cc 6.97 KB
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// graph-tool -- a general graph modification and manipulation thingy
//
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// Copyright (C) 2006-2020 Tiago de Paula Peixoto <tiago@skewed.de>
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//
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// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation; either version 3 of the License, or (at your option) any
// later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
// details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.

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#define BOOST_PYTHON_MAX_ARITY 20
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#include "graph.hh"
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#include "graph_util.hh"
#include "graph_filtering.hh"
#include "graph_generation.hh"
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#include "sampler.hh"
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#include "dynamic_sampler.hh"
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#include <boost/python.hpp>
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using namespace std;
using namespace boost;
using namespace graph_tool;

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class PythonFuncWrap
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{
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public:
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    PythonFuncWrap(boost::python::object o): _o(o) {}
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    pair<size_t, size_t> operator()(size_t i) const
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    {
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        boost::python::object ret = _o(i);
        return boost::python::extract<pair<size_t,size_t> >(ret);
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    }

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    size_t operator()(size_t i, bool) const
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    {
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        boost::python::object ret = _o(i);
        return boost::python::extract<size_t>(ret);
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    }

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private:
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    boost::python::object _o;
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};

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void generate_graph(GraphInterface& gi, size_t N,
                    boost::python::object deg_sample, bool no_parallel,
                    bool no_self_loops, bool undirected, rng_t& rng,
                    bool verbose, bool verify)
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{
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    typedef graph_tool::detail::get_all_graph_views::apply<
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    graph_tool::detail::filt_scalar_type, boost::mpl::bool_<false>,
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        boost::mpl::bool_<false>, boost::mpl::bool_<false>,
        boost::mpl::bool_<true>, boost::mpl::bool_<true> >::type graph_views;
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    if (undirected)
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        gi.set_directed(false);
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    run_action<graph_views>()
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        (gi,
         [&](auto&& graph)
         {
             return gen_graph()
                 (std::forward<decltype(graph)>(graph), N,
                  PythonFuncWrap(deg_sample), no_parallel, no_self_loops, rng,
                  verbose, verify);
         })();
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}
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void generate_sbm(GraphInterface& gi, boost::any ab, boost::python::object ors,
                  boost::python::object oss, boost::python::object oprobs,
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                  boost::any ain_deg, boost::any aout_deg, bool micro_ers,
                  bool micro_degs, rng_t& rng);
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size_t random_rewire(GraphInterface& gi, string strat, size_t niter,
                     bool no_sweep, bool self_loops, bool parallel_edges,
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                     bool configuration, bool traditional, bool micro,
                     bool persist, boost::python::object corr_prob,
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                     boost::any apin, boost::any block, bool cache, rng_t& rng,
                     bool verbose);
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void predecessor_graph(GraphInterface& gi, GraphInterface& gpi,
                       boost::any pred_map);
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void line_graph(GraphInterface& gi, GraphInterface& lgi,
                boost::any edge_index);
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boost::python::tuple graph_union(GraphInterface& ugi, GraphInterface& gi,
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                          boost::any avprop);
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void vertex_property_union(GraphInterface& ugi, GraphInterface& gi,
                           boost::any p_vprop, boost::any p_eprop,
                           boost::any uprop, boost::any prop);
void edge_property_union(GraphInterface& ugi, GraphInterface& gi,
                         boost::any p_vprop, boost::any p_eprop,
                         boost::any uprop, boost::any prop);
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void triangulation(GraphInterface& gi, boost::python::object points,
                   boost::any pos, string type, bool periodic);
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void lattice(GraphInterface& gi, boost::python::object oshape, bool periodic);
void geometric(GraphInterface& gi, boost::python::object opoints, double r,
               boost::python::object orange, bool periodic, boost::any pos);
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void price(GraphInterface& gi, size_t N, double gamma, double c, size_t m,
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           rng_t& rng);
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void complete(GraphInterface& gi, size_t N, bool directed, bool self_loops);
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void circular(GraphInterface& gi, size_t N, size_t k, bool directed,
              bool self_loops);

void community_network(GraphInterface& gi, GraphInterface& cgi,
                       boost::any community_property,
                       boost::any condensed_community_property,
                       boost::any vertex_count, boost::any edge_count,
                       boost::any vweight, boost::any eweight, bool self_loops,
                       bool parallel_edges);

void community_network_vavg(GraphInterface& gi, GraphInterface& cgi,
                            boost::any community_property,
                            boost::any condensed_community_property,
                            boost::any vweight, boost::python::list avprops);

void community_network_eavg(GraphInterface& gi, GraphInterface& cgi,
                            boost::any community_property,
                            boost::any condensed_community_property,
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                            boost::any eweight, boost::python::list aeprops,
                            bool self_loops, bool parallel_edges);
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void export_maxent_sbm();

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using namespace boost::python;

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BOOST_PYTHON_MODULE(libgraph_tool_generation)
{
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    docstring_options dopt(true, false);
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    def("gen_graph", &generate_graph);
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    def("gen_sbm", &generate_sbm);
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    def("random_rewire", &random_rewire);
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    def("predecessor_graph", &predecessor_graph);
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    def("line_graph", &line_graph);
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    def("graph_union", &graph_union);
    def("vertex_property_union", &vertex_property_union);
    def("edge_property_union", &edge_property_union);
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    def("triangulation", &triangulation);
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    def("lattice", &lattice);
    def("geometric", &geometric);
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    def("price", &price);
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    def("complete", &complete);
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    def("circular", &circular);
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    def("community_network", &community_network);
    def("community_network_vavg", &community_network_vavg);
    def("community_network_eavg", &community_network_eavg);
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    export_maxent_sbm();
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    class_<Sampler<int, boost::mpl::false_>>("Sampler",
                                             init<const vector<int>&, const vector<double>&>())
        .def("sample", &Sampler<int, boost::mpl::false_>::sample<rng_t>,
             return_value_policy<copy_const_reference>());
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    class_<DynamicSampler<int>>("DynamicSampler",
                                init<const vector<int>&,
                                     const vector<double>&>())
        .def("sample", &DynamicSampler<int>::sample<rng_t>,
             return_value_policy<copy_const_reference>())
        .def("insert", &DynamicSampler<int>::insert)
        .def("remove", &DynamicSampler<int>::remove)
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        .def("clear", &DynamicSampler<int>::clear)
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        .def("rebuild", &DynamicSampler<int>::rebuild);
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}