From 11c21f2abe1d9ad66bf965be2f051a01249e212b Mon Sep 17 00:00:00 2001
From: Andrew Resch <andrewresch@gmail.com>
Date: Sat, 24 Jan 2009 05:29:23 +0000
Subject: [PATCH] Add a std::pair to tuple converter Add 'outgoing_ports' to
 session_settings

---
 bindings/python/src/converters.cpp       | 48 +++++++++++++++++++++++-
 bindings/python/src/module.cpp           |  3 +-
 bindings/python/src/session_settings.cpp |  1 +
 3 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/bindings/python/src/converters.cpp b/bindings/python/src/converters.cpp
index f684cc4f3..cae84be75 100644
--- a/bindings/python/src/converters.cpp
+++ b/bindings/python/src/converters.cpp
@@ -1,5 +1,51 @@
-// Copyright Daniel Wallin 2007. Use, modification and distribution is
+// Copyright Andrew Resch 2009. Use, modification and distribution is
 // subject to the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
+#include <boost/python.hpp>
 
+using namespace boost::python;
+
+template<class T1, class T2>
+struct pair_to_tuple
+{
+    static PyObject* convert(const std::pair<T1, T2>& p)
+    {
+        return incref(make_tuple(p.first, p.second).ptr());
+    }
+};
+
+template<class T1, class T2>
+struct tuple_to_pair
+{
+    tuple_to_pair()
+    {
+        converter::registry::push_back(
+            &convertible, &construct, type_id<std::pair<T1, T2> >()
+        );
+    }
+
+    static void* convertible(PyObject* x)
+    {
+        return PyTuple_Check(x) ? x: 0;
+    }
+
+    static void construct(PyObject* x, converter::rvalue_from_python_stage1_data* data)
+    {
+        void* storage = ((converter::rvalue_from_python_storage<
+            std::pair<T1, T2> >*)data)->storage.bytes;
+
+        object o(borrowed(x));
+        std::pair<T1, T2> p;
+        p.first = extract<T1>(o[0]);
+        p.second = extract<T2>(o[1]);
+        new (storage) std::pair<T1, T2>(p);
+        data->convertible = storage;
+    }
+};
+
+void bind_converters()
+{
+    to_python_converter<std::pair<int, int>, pair_to_tuple<int, int> >();
+    tuple_to_pair<int, int>();
+}
diff --git a/bindings/python/src/module.cpp b/bindings/python/src/module.cpp
index e0bbe381d..c512e346a 100644
--- a/bindings/python/src/module.cpp
+++ b/bindings/python/src/module.cpp
@@ -23,6 +23,7 @@ void bind_torrent();
 void bind_peer_info();
 void bind_ip_filter();
 void bind_magnet_uri();
+void bind_converters();
 
 BOOST_PYTHON_MODULE(libtorrent)
 {
@@ -50,5 +51,5 @@ BOOST_PYTHON_MODULE(libtorrent)
     bind_peer_info();
     bind_ip_filter();
     bind_magnet_uri();
+    bind_converters();
 }
-
diff --git a/bindings/python/src/session_settings.cpp b/bindings/python/src/session_settings.cpp
index 76e078560..8d4974936 100644
--- a/bindings/python/src/session_settings.cpp
+++ b/bindings/python/src/session_settings.cpp
@@ -45,6 +45,7 @@ void bind_session_settings()
         .def_readwrite("auto_scraped_interval", &session_settings::auto_scrape_interval)
         .def_readwrite("peer_tos", &session_settings::peer_tos)
         .def_readwrite("rate_limit_ip_overhead", &session_settings::rate_limit_ip_overhead)
+        .def_readwrite("outgoing_ports", &session_settings::outgoing_ports)
 #ifndef TORRENT_DISABLE_DHT
         .def_readwrite("use_dht_as_fallback", &session_settings::use_dht_as_fallback)
 #endif