From 4e30fcdf4094a0c450cbe1918c2e12dd19eb58f2 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Thu, 19 Nov 2009 21:53:02 -0500
Subject: Many improvements to Ledger's Python bindings

---
 src/pyutils.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src/pyutils.h')

diff --git a/src/pyutils.h b/src/pyutils.h
index a9e968e0..d8a46527 100644
--- a/src/pyutils.h
+++ b/src/pyutils.h
@@ -106,6 +106,26 @@ struct register_optional_to_python : public boost::noncopyable
   }
 };
 
+template <typename T1, typename T2>
+struct PairToTupleConverter
+{
+  static PyObject * convert(const std::pair<T1, T2>& pair) {
+    return boost::python::incref
+      (boost::python::make_tuple(pair.first, pair.second).ptr());
+  }
+};
+
+template <typename MapType>
+struct map_value_type_converter
+{
+  map_value_type_converter() {
+    boost::python::to_python_converter
+      <typename MapType::value_type,
+       PairToTupleConverter<const typename MapType::key_type,
+                            typename MapType::mapped_type> >();
+  }
+};
+
 namespace boost { namespace python {
 
 // Use expr to create the PyObject corresponding to x
-- 
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