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Pickle support

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[SVN r29735]
This commit is contained in:
Douglas Gregor
2005-06-22 14:58:25 +00:00
parent 9934fd8da4
commit f11331b2f1
5 changed files with 265 additions and 66 deletions
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100
src/python/basic_graph.hpp
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@@ -350,6 +350,9 @@ class basic_graph
inherited& base() { return *this; }
const inherited& base() const { return *this; }
dynamic_properties& get_dynamic_properties() { return dp; }
const dynamic_properties& get_dynamic_properties() const { return dp; }
protected:
void renumber_vertices();
void renumber_edges();
@@ -456,6 +459,103 @@ typename basic_graph<DirectedS>::EdgeIndexMap
get(edge_index_t, const basic_graph<DirectedS>& g)
{ return g.get_edge_index_map(); }
template<typename DirectedS>
struct graph_pickle_suite : boost::python::pickle_suite
{
typedef basic_graph<DirectedS> Graph;
typedef typename Graph::vertex_descriptor Vertex;
typedef typename Graph::edge_descriptor Edge;
static
boost::python::tuple
getstate(boost::python::object g_obj);
static
void
setstate(boost::python::object g_obj, boost::python::tuple state);
};
class python_dynamic_property_map
{
public:
virtual ~python_dynamic_property_map() {}
virtual void copy_value(const any& to, const any& from) = 0;
virtual boost::python::object get_python(const any& key) = 0;
};
template<typename PropertyMap,
typename ValueType = typename property_traits<PropertyMap>::value_type>
class python_dynamic_adaptor
: public boost::detail::dynamic_property_map_adaptor<PropertyMap>,
public python_dynamic_property_map
{
typedef boost::detail::dynamic_property_map_adaptor<PropertyMap> inherited;
public:
typedef typename property_traits<PropertyMap>::key_type key_type;
explicit python_dynamic_adaptor(const PropertyMap& property_map)
: inherited(property_map) { }
virtual void copy_value(const any& to, const any& from)
{
boost::put(this->base(), any_cast<key_type>(to),
boost::get(this->base(), any_cast<key_type>(from)));
}
virtual boost::python::object get_python(const any& key)
{
#if defined(__GNUC__) && (__GNUC__ == 2) && (__GNUC_MINOR__ == 95)
return boost::get(this->base(), any_cast<key_type>(key));
#else
using boost::get;
return boost::python::object(get(this->base(), any_cast<key_type>(key)));
#endif
}
};
template<typename PropertyMap>
class python_dynamic_adaptor<PropertyMap, boost::python::object>
: public boost::detail::dynamic_property_map_adaptor<PropertyMap>,
public python_dynamic_property_map
{
typedef boost::detail::dynamic_property_map_adaptor<PropertyMap> inherited;
public:
typedef typename property_traits<PropertyMap>::key_type key_type;
explicit python_dynamic_adaptor(const PropertyMap& property_map)
: inherited(property_map) { }
virtual void copy_value(const any& to, const any& from)
{
boost::put(this->base(), any_cast<key_type>(to),
boost::get(this->base(), any_cast<key_type>(from)));
}
virtual std::string get_string(const any& key)
{
using boost::python::extract;
using boost::python::str;
return std::string(
extract<const char*>(str(boost::get(this->base(),
any_cast<key_type>(key)))));
}
virtual boost::python::object get_python(const any& key)
{
#if defined(__GNUC__) && (__GNUC__ == 2) && (__GNUC_MINOR__ == 95)
return boost::get(this->base(), any_cast<key_type>(key));
#else
using boost::get;
return get(this->base(), any_cast<key_type>(key));
#endif
}
};
} } } // end namespace boost::graph::python
#if 0