static void
setstate (layer& l, boost::python::tuple state)
{
using namespace boost::python;
if (len(state) != 8)
{
PyErr_SetObject(PyExc_ValueError,
("expected 8-item tuple in call to __setstate__; got %s"
% state).ptr()
);
throw_error_already_set();
}
if (state[0])
{
l.set_abstract(extract<std::string>(state[0]));
}
if (state[1])
{
l.set_title(extract<std::string>(state[1]));
}
if (state[2])
{
l.set_clear_label_cache(extract<bool>(state[2]));
}
if (state[3])
{
l.setMinZoom(extract<double>(state[3]));
}
if (state[4])
{
l.setMaxZoom(extract<double>(state[4]));
}
if (state[5])
{
l.setQueryable(extract<bool>(state[5]));
}
if (state[6])
{
mapnik::parameters params = extract<parameters>(state[6]);
l.set_datasource(datasource_cache::instance()->create(params));
}
boost::python::list s = extract<boost::python::list>(state[7]);
for (int i=0;i<len(s);++i)
{
l.add_style(extract<std::string>(s[i]));
}
}
