Simplified usage of Boost.Python in several cases

src/py_account.cc

@@ -172,7 +172,7 @@ void export_account()
 
     .add_property("parent",
 		  make_getter(&account_t::parent,
-			      return_value_policy<reference_existing_object>()))
+			      return_internal_reference<>()))
 
     .def_readwrite("name", &account_t::name)
     .def_readwrite("note", &account_t::note)
@@ -197,7 +197,7 @@ void export_account()
     .def("valid", &account_t::valid)
 
     .def("__len__", accounts_len)
-    .def("__getitem__", accounts_getitem, return_internal_reference<1>())
+    .def("__getitem__", accounts_getitem, return_internal_reference<>())
 
     .def("__iter__", range<return_internal_reference<> >
 	 (&account_t::accounts_begin, &account_t::accounts_end))

src/py_balance.cc

@@ -214,6 +214,12 @@ void export_balance()
     .def("valid",  &balance_t::valid)
     ;
 
+  register_optional_to_python<balance_t>();
+
+  implicitly_convertible<long, balance_t>();
+  implicitly_convertible<string, balance_t>();
+  implicitly_convertible<amount_t, balance_t>();
+
 #define EXC_TRANSLATE(type) \
   register_exception_translator<type>(&exc_translate_ ## type);
 

src/py_commodity.cc

@@ -130,12 +130,12 @@ void export_commodity()
   class_< commodity_pool_t, boost::noncopyable > ("CommodityPool", no_init)
     .add_property("null_commodity",
 		  make_getter(&commodity_pool_t::null_commodity,
-			      return_value_policy<reference_existing_object>()),
+			      return_internal_reference<>()),
 		  make_setter(&commodity_pool_t::null_commodity,
 			      with_custodian_and_ward<1, 2>()))
     .add_property("default_commodity",
 		  make_getter(&commodity_pool_t::default_commodity,
-			      return_value_policy<reference_existing_object>()),
+			      return_internal_reference<>()),
 		  make_setter(&commodity_pool_t::default_commodity,
 			      with_custodian_and_ward<1, 2>()))
 

src/py_journal.cc

@@ -192,15 +192,15 @@ void export_journal()
     .def(init<string>())
 
     .add_property("master", make_getter(&journal_t::master,
-					return_internal_reference<1>()))
+					return_internal_reference<>()))
     .add_property("basket",
 		  make_getter(&journal_t::basket,
-			      return_internal_reference<1>()),
+			      return_internal_reference<>()),
 		  make_setter(&journal_t::basket))
     .add_property("was_loaded", make_getter(&journal_t::was_loaded))
     .add_property("commodity_pool",
 		  make_getter(&journal_t::commodity_pool,
-			      return_internal_reference<1>()))
+			      return_internal_reference<>()))
 #if 0
     .add_property("xact_finalize_hooks",
 		  make_getter(&journal_t::xact_finalize_hooks),
@@ -210,10 +210,10 @@ void export_journal()
     .def("add_account", &journal_t::add_account)
     .def("remove_account", &journal_t::remove_account)
 
-    .def("find_account", py_find_account_1, return_internal_reference<1>())
-    .def("find_account", py_find_account_2, return_internal_reference<1>())
+    .def("find_account", py_find_account_1, return_internal_reference<>())
+    .def("find_account", py_find_account_2, return_internal_reference<>())
     .def("find_account_re", &journal_t::find_account_re,
-	 return_internal_reference<1>())
+	 return_internal_reference<>())
 
     .def("add_xact", &journal_t::add_xact)
     .def("remove_xact", &journal_t::remove_xact)

src/py_post.cc

@@ -131,12 +131,12 @@ void export_post()
 
     .add_property("xact",
 		  make_getter(&post_t::xact,
-			      return_value_policy<reference_existing_object>()),
+			      return_internal_reference<>()),
 		  make_setter(&post_t::xact,
 			      with_custodian_and_ward<1, 2>()))
     .add_property("account",
 		  make_getter(&post_t::account,
-			      return_value_policy<reference_existing_object>()),
+			      return_internal_reference<>()),
 		  make_setter(&post_t::account,
 			      with_custodian_and_ward<1, 2>()))
     .add_property("amount",

src/py_value.cc

@@ -314,7 +314,9 @@ void export_value()
 
   implicitly_convertible<long, value_t>();
   implicitly_convertible<string, value_t>();
-  // jww (2009-11-02): Add implicit conversion of mask objects
+  implicitly_convertible<amount_t, value_t>();
+  implicitly_convertible<balance_t, value_t>();
+  implicitly_convertible<mask_t, value_t>();
   implicitly_convertible<date_t, value_t>();
   implicitly_convertible<datetime_t, value_t>();
 

src/py_xact.cc

@@ -85,7 +85,7 @@ void export_xact()
   class_< xact_base_t, bases<item_t> > ("TransactionBase")
     .add_property("journal",
 		  make_getter(&xact_base_t::journal,
-			      return_value_policy<reference_existing_object>()),
+			      return_internal_reference<>()),
 		  make_setter(&xact_base_t::journal,
 			      with_custodian_and_ward<1, 2>()))
 
@@ -146,7 +146,7 @@ void export_xact()
     ("AutomatedTransactionFinalizer")
     .add_property("journal",
 		  make_getter(&auto_xact_finalizer_t::journal,
-			      return_value_policy<reference_existing_object>()),
+			      return_internal_reference<>()),
 		  make_setter(&auto_xact_finalizer_t::journal,
 			      with_custodian_and_ward<1, 2>()))
     .def("__call__", &auto_xact_finalizer_t::operator())

src/pyutils.h

@@ -32,7 +32,6 @@
 #ifndef _PY_UTILS_H
 #define _PY_UTILS_H
 
-
 template <typename T, typename TfromPy>
 struct object_from_python
 {

src/system.hh.in

@@ -243,12 +243,6 @@ void serialize(Archive& ar, istream_pos_type& pos, const unsigned int)
 #include <boost/python/detail/wrap_python.hpp>
 #include <datetime.h>
 
-#include <boost/python/exception_translator.hpp>
-#include <boost/python/implicit.hpp>
-#include <boost/python/args.hpp>
-#include <boost/python/module.hpp>
-#include <boost/python/def.hpp>
-#include <boost/python/to_python_converter.hpp>
 #include <boost/python/module_init.hpp>
 
 #endif // HAVE_BOOST_PYTHON