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+add support for pickling a mapnik query - see #345

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This commit is contained in:
Dane Springmeyer 2009-05-24 05:49:03 +00:00
parent bd1407b7c5
commit 91876c9863
1 changed files with 12 additions and 3 deletions
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15
bindings/python/mapnik_query.cpp
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@ -24,16 +24,25 @@
#include <boost/python.hpp> #include <boost/python.hpp>
#include <mapnik/query.hpp> #include <mapnik/query.hpp>
#include <mapnik/envelope.hpp> #include <mapnik/envelope.hpp>
using mapnik::query;
using mapnik::Envelope;
struct query_pickle_suite : boost::python::pickle_suite
{
static boost::python::tuple
getinitargs(const query& q)
{
return boost::python::make_tuple(q.get_bbox(),q.resolution());
}
};
void export_query() void export_query()
{ {
using namespace boost::python; using namespace boost::python;
using mapnik::query;
using mapnik::Envelope;
class_<query>("Query", "a spatial query data object", class_<query>("Query", "a spatial query data object",
init<Envelope<double>,double>() ) init<Envelope<double>,double>() )
.def_pickle(query_pickle_suite())
.add_property("resolution", &query::resolution) .add_property("resolution", &query::resolution)
.add_property("bbox", make_function(&query::get_bbox, .add_property("bbox", make_function(&query::get_bbox,
return_value_policy<copy_const_reference>()) ) return_value_policy<copy_const_reference>()) )