git-svn-id: file:///home/svn/opt_utilities@150 ed2142bd-67ad-457f-ba7c-d818d4011675

1 files changed, 71 insertions, 0 deletions

diff --git a/interface/pyfunc_obj.hpp b/interface/pyfunc_obj.hpp
new file mode 100644
index 0000000..db2775a
--- /dev/null
+++ b/interface/pyfunc_obj.hpp
@@ -0,0 +1,71 @@
+#ifndef PYFUNC_OBJ_HPP
+#define PYFUNC_OBJ_HPP
+#include <boost/python.hpp>
+#include <core/optimizer.hpp>
+#include <core/opt_traits.hpp>
+
+
+namespace opt_utilities
+{
+
+  template <typename Ty,typename Tx>
+  class pyfunc_obj
+    :public func_obj<Ty,Tx>
+  {
+  private:
+    boost::python::object pyfunc;
+  public:
+    pyfunc_obj()
+    {
+      if(!Py_IsInitialized())
+	{
+	  Py_Initialize();
+	}
+    }
+
+    pyfunc_obj(const pyfunc_obj& rhs)
+      :pyfunc(rhs.pyfunc)
+    {}
+
+    pyfunc_obj& operator=(const pyfunc_obj& rhs)
+    {
+      pyfunc=rhs.pyfunc;
+    }
+
+    ~pyfunc_obj()
+    {}
+
+  public:
+    void attach(const std::string module_name,
+		const std::string func_name)
+    {
+      boost::python::object mod(boost::python::import(module_name.c_str()));
+      pyfunc=mod.attr(func_name.c_str());
+      
+    }
+  private:
+    func_obj<Ty,Tx>* do_clone()const
+    {
+      return new pyfunc_obj(*this);
+    }
+    
+    void do_destroy()
+    {
+      delete this;
+    }
+    
+    Ty do_eval(const Tx& x)
+    {
+      boost::python::list args;
+      for(size_t i=0;i<get_size(x);++i)
+	{
+	  args.append(get_element(x,i));
+	}
+      return boost::python::extract<Ty>(pyfunc(args));
+    }
+  };
+}
+
+
+#endif
+//EOF