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boost.python/WrappingEnums - PythonInfo Wiki
User
For example, let's define an object in module namespace to represent enum:
#include <boost/python.hpp>
using namespace boost::python;
enum color { red = 1, green = 2, blue = 4 };
color identity_(color x) { return x; }
BOOST_PYTHON_MODULE(enum_ext)
{
enum_<color>("color")
.value("red", red)
.value("green", green)
.value("blue", blue)
;
def("identity", identity_);
}The usage is follows:
>>> from enum_ext import * >>> identity(color.red) enum_ext.color.red >>> identity(color.green) enum_ext.color.green >>> identity(color.blue) enum_ext.color.blue >>> identity(color(1)) enum_ext.color.red >>> identity(color(2)) enum_ext.color.green >>> identity(color(3)) enum_ext.color(3) >>> identity(color(4)) enum_ext.color.blue >>> try: identity(1) ... except TypeError: pass ... else: print 'expected a TypeError'
boost.python/WrappingEnums (last edited 2008-11-15 14:01:18 by localhost)