4 files changed, 35 insertions, 13 deletions
diff --git a/include/gras/CMakeLists.txt b/include/gras/CMakeLists.txt
index d5607c9..628acfb 100644
--- a/include/gras/CMakeLists.txt
+++ b/include/gras/CMakeLists.txt
@@ -9,6 +9,7 @@ install(FILES
     gras.hpp
     hier_block.hpp
     io_signature.hpp
+    io_signature.i
     sbuffer.hpp
     sbuffer.ipp
     tags.hpp
diff --git a/include/gras/element.i b/include/gras/element.i
index aa197c5..c4ff853 100644
--- a/include/gras/element.i
+++ b/include/gras/element.i
@@ -18,9 +18,7 @@
 #define INCLUDED_GRAS_ELEMENT_I
 
 %{
-
 #include <gras/element.hpp>
-
 %}
 
 %include <std_string.i>
diff --git a/include/gras/io_signature.i b/include/gras/io_signature.i
new file mode 100644
index 0000000..3258ab5
--- /dev/null
+++ b/include/gras/io_signature.i
@@ -0,0 +1,32 @@
+//
+// Copyright 2012 Josh Blum
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef INCLUDED_GRAS_IO_SIGNATURE_I
+#define INCLUDED_GRAS_IO_SIGNATURE_I
+
+%{
+#include <gras/io_signature.hpp>
+%}
+
+%ignore gras::IOSignature::operator->();
+%ignore gras::IOSignature::operator->() const;
+
+%include <std_vector.i>
+%template () std::vector<int>;
+
+%include <gras/io_signature.hpp>
+
+#endif /*INCLUDED_GRAS_IO_SIGNATURE_I*/
diff --git a/python/gras/GRASElements.i b/python/gras/GRASElements.i
index 12854a9..413ee2a 100644
--- a/python/gras/GRASElements.i
+++ b/python/gras/GRASElements.i
@@ -36,25 +36,16 @@
 %{
 #include <gras/hier_block.hpp>
 #include <gras/top_block.hpp>
-#include <gras/io_signature.hpp>
 %}
 
-////////////////////////////////////////////////////////////////////////
-//helps with funny swig error for io signature
-////////////////////////////////////////////////////////////////////////
-%ignore gras::IOSignature::operator->();
-%ignore gras::IOSignature::operator->() const;
-
-%include <std_vector.i>
-%template () std::vector<int>;
+%include <gras/element.i>
+%include <gras/io_signature.i>
 
 ////////////////////////////////////////////////////////////////////////
 // pull in hier and top interface
 ////////////////////////////////////////////////////////////////////////
-%include <gras/element.i>
 %include <gras/hier_block.hpp>
 %include <gras/top_block.hpp>
-%include <gras/io_signature.hpp>
 
 ////////////////////////////////////////////////////////////////////////
 // Make a special top block with python safe unlocking wait