[TD]Add uuid tags for cosmetics

src/Mod/TechDraw/App/CosmeticVertexPyImp.cpp

@@ -24,6 +24,7 @@
 #include "PreCompiled.h"
 #ifndef _PreComp_
 
+# include <boost/uuid/uuid_io.hpp>
 #endif
 
 #include "Cosmetic.h"
@@ -108,6 +109,12 @@ PyObject* CosmeticVertexPy::copy(PyObject *args)
     return cpy;
 }
 
+Py::String CosmeticVertexPy::getTag(void) const
+{
+    std::string tmp = boost::uuids::to_string(getCosmeticVertexPtr()->getTag());
+    return Py::String(tmp);
+}
+
 PyObject *CosmeticVertexPy::getCustomAttributes(const char* /*attr*/) const
 {
     return 0;