|
From: <rom...@us...> - 2006-10-05 06:23:14
|
Revision: 622
http://svn.sourceforge.net/pygccxml/?rev=622&view=rev
Author: roman_yakovenko
Date: 2006-10-04 23:23:06 -0700 (Wed, 04 Oct 2006)
Log Message:
-----------
adding first draft of convenience functions
Modified Paths:
--------------
pyplusplus_dev/pyplusplus/code_repository/__init__.py
Added Paths:
-----------
pyplusplus_dev/pyplusplus/code_repository/convenience.py
Modified: pyplusplus_dev/pyplusplus/code_repository/__init__.py
===================================================================
--- pyplusplus_dev/pyplusplus/code_repository/__init__.py 2006-10-04 13:01:57 UTC (rev 621)
+++ pyplusplus_dev/pyplusplus/code_repository/__init__.py 2006-10-05 06:23:06 UTC (rev 622)
@@ -6,7 +6,7 @@
"""
Code repository package is used as a repository of C++ classes/functions.
Those classes/functions solve problems, that are typical to most projects.
-Right now, this package contains set of classes that help to export one
+Right now, this package contains set of classes that help to export one
dimensional static arrays. For example:
C{char data[23];}
@@ -15,5 +15,9 @@
import array_1
import gil_guard
+import convenience
-all = [ array_1, gil_guard ]
+all = [ array_1, gil_guard, convenience ]
+
+headers = map( lambda f: f.file_name, all )
+
Added: pyplusplus_dev/pyplusplus/code_repository/convenience.py
===================================================================
--- pyplusplus_dev/pyplusplus/code_repository/convenience.py (rev 0)
+++ pyplusplus_dev/pyplusplus/code_repository/convenience.py 2006-10-05 06:23:06 UTC (rev 622)
@@ -0,0 +1,79 @@
+# Copyright 2004 Roman Yakovenko.
+# Distributed under 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)
+
+"""
+This file contains C++ code needed to export one dimensional static arrays.
+"""
+
+
+namespace = "pyplusplus::convenience"
+
+file_name = "__convenience.pypp.hpp"
+
+code = \
+"""// Copyright 2004 Roman Yakovenko.
+// Distributed under 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)
+
+#ifndef __convenience_pyplusplus_hpp__
+#define __convenience_pyplusplus_hpp__
+
+#include "boost/python.hpp"
+
+//1 - dimension
+namespace pyplusplus{ namespace convenience{
+
+void raise_error( PyObject *exception, const char *message ){
+
+ PyErr_SetString(exception, message);
+ boost::python::throw_error_already_set();
+
+}
+
+void ensure_sequence( boost::python::object seq, Py_ssize_t expected_length=-1 ){
+
+ PyObject* seq_impl = seq.ptr();
+
+ if( !PySequence_Check( seq_impl ) ){
+ raise_error( PyExc_TypeError, "Sequence expected" );
+ }
+
+ Py_ssize_t length = PySequence_Length( seq_impl );
+ if( expected_length != -1 && length != expected_length ){
+ std::stringstream err;
+ err << "Expected sequence length is " << expected_length << ". "
+ << "Actual sequence length is " << length << ".";
+ raise_error( PyExc_ValueError, err.str().c_str() );
+ }
+
+}
+
+template< class ExpectedType >
+void ensure_uniform_sequence( boost::python::object seq, Py_ssize_t expected_length=-1 ){
+
+ ensure_sequence( seq, expected_length );
+ Py_ssize_t length = boost::python::len( seq );
+ for( Py_ssize_t index = 0; index < length; ++index ){
+ boost::python::object item = seq[index];
+ boost::python::extract<ExpectedType> type_checker( item );
+ if( type_checker.check() ){
+ const boost::python::type_info expected_type_info( boost::python::type_id<ExpectedType>() );
+ //TODO: How to extract type_info from PyObject?
+ std::stringstream err;
+ err << "Sequence should contain only items with type \"" << expected_type_info.name() << "\". "
+ << "Item at position " << index << " has different type.";
+ raise_error( PyExc_ValueError, err.str().c_str() );
+ }
+ }
+
+}
+
+} /*pyplusplus*/ } /*convenience*/
+
+
+#endif//__convenience_pyplusplus_hpp__
+
+"""
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
