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Fix conversion of Python objects to strings

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[SVN r29515]
This commit is contained in:
Douglas Gregor
2005-06-10 11:55:59 +00:00
parent 4e3c936503
commit d745a537bf
1 changed files with 31 additions and 1 deletions
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32
src/python/basic_graph.cpp
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@@ -50,7 +50,8 @@ class copying_dynamic_property_map
virtual void copy_value(const any& to, const any& from) = 0;
};
template<typename PropertyMap>
template<typename PropertyMap,
typename ValueType = typename property_traits<PropertyMap>::value_type>
class copying_dynamic_adaptor
: public boost::detail::dynamic_property_map_adaptor<PropertyMap>,
public copying_dynamic_property_map
@@ -70,6 +71,35 @@ public:
}
};
template<typename PropertyMap>
class copying_dynamic_adaptor<PropertyMap, boost::python::object>
: public boost::detail::dynamic_property_map_adaptor<PropertyMap>,
public copying_dynamic_property_map
{
typedef boost::detail::dynamic_property_map_adaptor<PropertyMap> inherited;
public:
typedef typename property_traits<PropertyMap>::key_type key_type;
explicit copying_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)))));
}
};
template<typename DirectedS>
struct build_string_property_maps
{