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swig/Lib/python/pycontainer.swg

Index: swig/Lib/python/pycontainer.swg
===================================================================
--- swig/Lib/python/pycontainer.swg	(revision 0)
+++ swig/Lib/python/pycontainer.swg	(revision 0)
@@ -0,0 +1,824 @@
+/* -----------------------------------------------------------------------------
+ * See the LICENSE file for information on copyright, usage and redistribution
+ * of SWIG, and the README file for authors - http://www.swig.org/release.html.
+ *
+ * pycontainer.swg
+ *
+ * Python sequence <-> C++ container wrapper
+ *
+ * This wrapper, and its iterator, allows a general use (and reuse) of
+ * the the mapping between C++ and Python, thanks to the C++
+ * templates.
+ *
+ * Of course, it needs the C++ compiler to support templates, but
+ * since we will use this wrapper with the STL containers, that should
+ * be the case.
+ * ----------------------------------------------------------------------------- */
+
+%{
+#include <iostream>
+%}
+
+
+#if !defined(SWIG_NO_EXPORT_ITERATOR_METHODS)
+# if !defined(SWIG_EXPORT_ITERATOR_METHODS)
+#  define SWIG_EXPORT_ITERATOR_METHODS SWIG_EXPORT_ITERATOR_METHODS
+# endif
+#endif
+
+%include <pyiterators.swg>
+
+/**** The PySequence C++ Wrap ***/
+
+%insert(header) %{
+#include <stdexcept>
+%}
+
+%include <std_except.i>
+
+%fragment(SWIG_Traits_frag(swig::SwigPtr_PyObject),"header",fragment="StdTraits") {
+namespace swig {
+  template <>  struct traits<SwigPtr_PyObject > {
+    typedef value_category category;
+    static const char* type_name() { return  "SwigPtr_PyObject"; }
+  };
+  
+  template <>  struct traits_from<SwigPtr_PyObject> {
+    typedef SwigPtr_PyObject value_type;
+    static PyObject *from(const value_type& val) {
+      PyObject *obj = static_cast<PyObject *>(val);
+      Py_XINCREF(obj);
+      return obj;
+    }
+  };
+  
+  template <> 
+  struct traits_check<SwigPtr_PyObject, value_category> {
+    static bool check(SwigPtr_PyObject) {
+      return true;
+    }
+  };
+  
+  template <>  struct traits_asval<SwigPtr_PyObject > {   
+    typedef SwigPtr_PyObject value_type;
+    static int asval(PyObject *obj, value_type *val) {
+      if (val) *val = obj;
+      return SWIG_OK;
+    }
+  };
+}
+}
+
+%fragment(SWIG_Traits_frag(swig::SwigVar_PyObject),"header",fragment="StdTraits") {
+namespace swig {
+  template <>  struct traits<SwigVar_PyObject > {
+    typedef value_category category;
+    static const char* type_name() { return  "SwigVar_PyObject"; }
+  };
+  
+  template <>  struct traits_from<SwigVar_PyObject> {
+    typedef SwigVar_PyObject value_type;
+    static PyObject *from(const value_type& val) {
+      PyObject *obj = static_cast<PyObject *>(val);
+      Py_XINCREF(obj);
+      return obj;
+    }
+  };
+  
+  template <> 
+  struct traits_check<SwigVar_PyObject, value_category> {
+    static bool check(SwigVar_PyObject) {
+      return true;
+    }
+  };
+  
+  template <>  struct traits_asval<SwigVar_PyObject > {   
+    typedef SwigVar_PyObject value_type;
+    static int asval(PyObject *obj, value_type *val) {
+      if (val) *val = obj;
+      return SWIG_OK;
+    }
+  };
+} 
+}
+
+%fragment("SwigPySequence_Base","header")
+{
+%#include <functional>
+
+namespace std {
+  template <>
+  struct less <PyObject *>: public binary_function<PyObject *, PyObject *, bool>
+  {
+    bool
+    operator()(PyObject * v, PyObject *w) const
+    { 
+      bool res;
+      SWIG_PYTHON_THREAD_BEGIN_BLOCK;
+      res = PyObject_RichCompareBool(v, w, Py_LT) ? true : false;
+      /* This may fall into a case of inconsistent
+               eg. ObjA > ObjX > ObjB
+               but ObjA < ObjB
+      */
+      if( PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_TypeError) )
+      {
+        /* Objects can't be compared, this mostly occurred in Python 3.0 */
+        /* Compare their ptr directly for a workaround */
+        res = (v < w);
+        PyErr_Clear();
+      }
+      SWIG_PYTHON_THREAD_END_BLOCK;
+      return res;
+    }
+  };
+
+  template <>
+  struct less <swig::SwigPtr_PyObject>: public binary_function<swig::SwigPtr_PyObject, swig::SwigPtr_PyObject, bool>
+  {
+    bool
+    operator()(const swig::SwigPtr_PyObject& v, const swig::SwigPtr_PyObject& w) const
+    {
+      return std::less<PyObject *>()(v, w);
+    }
+  };
+
+  template <>
+  struct less <swig::SwigVar_PyObject>: public binary_function<swig::SwigVar_PyObject, swig::SwigVar_PyObject, bool>
+  {
+    bool
+    operator()(const swig::SwigVar_PyObject& v, const swig::SwigVar_PyObject& w) const
+    {
+      return std::less<PyObject *>()(v, w);
+    }
+  };
+
+}
+
+namespace swig {
+  template <> struct traits<PyObject *> {
+    typedef value_category category;
+    static const char* type_name() { return "PyObject *"; }
+  };  
+
+  template <>  struct traits_asval<PyObject * > {   
+    typedef PyObject * value_type;
+    static int asval(PyObject *obj, value_type *val) {
+      if (val) *val = obj;
+      return SWIG_OK;
+    }
+  };
+
+  template <> 
+  struct traits_check<PyObject *, value_category> {
+    static bool check(PyObject *) {
+      return true;
+    }
+  };
+
+  template <>  struct traits_from<PyObject *> {
+    typedef PyObject * value_type;
+    static PyObject *from(const value_type& val) {
+      Py_XINCREF(val);
+      return val;
+    }
+  };
+  
+}
+
+namespace swig {
+  inline size_t
+  check_index(ptrdiff_t i, size_t size, bool insert = false) {
+    if ( i < 0 ) {
+      if ((size_t) (-i) <= size)
+	return (size_t) (i + size);
+    } else if ( (size_t) i < size ) {
+      return (size_t) i;
+    } else if (insert && ((size_t) i == size)) {
+      return size;
+    }
+    
+    throw std::out_of_range("index out of range");
+  }
+
+  inline size_t
+  slice_index(ptrdiff_t i, size_t size) {
+    if ( i < 0 ) {
+      if ((size_t) (-i) <= size) {
+	return (size_t) (i + size);
+      } else {
+	throw std::out_of_range("index out of range");
+      }
+    } else {
+      return ( (size_t) i < size ) ? ((size_t) i) : size;
+    }
+  }
+
+  template <class Sequence, class Difference>
+  inline typename Sequence::iterator
+  getpos(Sequence* self, Difference i)  {
+    typename Sequence::iterator pos = self->begin();
+    std::advance(pos, check_index(i,self->size()));
+    return pos;
+  }
+
+  template <class Sequence, class Difference>
+  inline typename Sequence::const_iterator
+  cgetpos(const Sequence* self, Difference i)  {
+    typename Sequence::const_iterator pos = self->begin();
+    std::advance(pos, check_index(i,self->size()));
+    return pos;
+  }
+
+  template <class Sequence, class Difference>
+  inline Sequence*
+  getslice(const Sequence* self, Difference i, Difference j) {
+    typename Sequence::size_type size = self->size();
+    typename Sequence::size_type ii = swig::check_index(i, size);
+    typename Sequence::size_type jj = swig::slice_index(j, size);
+
+    if (jj > ii) {
+      typename Sequence::const_iterator vb = self->begin();
+      typename Sequence::const_iterator ve = self->begin();
+      std::advance(vb,ii);
+      std::advance(ve,jj);
+      return new Sequence(vb, ve);
+    } else {
+      return new Sequence();
+    }
+  }
+
+  template <class Sequence, class Difference, class InputSeq>
+  inline void
+  setslice(Sequence* self, Difference i, Difference j, const InputSeq& v) {
+    typename Sequence::size_type size = self->size();
+    typename Sequence::size_type ii = swig::check_index(i, size, true);
+    typename Sequence::size_type jj = swig::slice_index(j, size);
+    if (jj < ii) jj = ii;
+    size_t ssize = jj - ii;
+    if (ssize <= v.size()) {
+      typename Sequence::iterator sb = self->begin();
+      typename InputSeq::const_iterator vmid = v.begin();
+      std::advance(sb,ii);
+      std::advance(vmid, jj - ii);
+      self->insert(std::copy(v.begin(), vmid, sb), vmid, v.end());
+    } else {
+      typename Sequence::iterator sb = self->begin();
+      typename Sequence::iterator se = self->begin();
+      std::advance(sb,ii);
+      std::advance(se,jj);
+      self->erase(sb,se);
+      self->insert(sb, v.begin(), v.end());
+    }
+  }
+
+  template <class Sequence, class Difference>
+  inline void
+  delslice(Sequence* self, Difference i, Difference j) {
+    typename Sequence::size_type size = self->size();
+    typename Sequence::size_type ii = swig::check_index(i, size, true);
+    typename Sequence::size_type jj = swig::slice_index(j, size);
+    if (jj > ii) {
+      typename Sequence::iterator sb = self->begin();
+      typename Sequence::iterator se = self->begin();
+      std::advance(sb,ii);
+      std::advance(se,jj);
+      self->erase(sb,se);
+    }
+  }
+}
+}
+
+%fragment("SwigPySequence_Cont","header",
+	  fragment="StdTraits",
+	  fragment="SwigPySequence_Base",
+	  fragment="SwigPyIterator_T")
+{
+namespace swig
+{
+  template <class T>
+  struct SwigPySequence_Ref
+  {
+    SwigPySequence_Ref(PyObject* seq, int index)
+      : _seq(seq), _index(index)
+    {
+    }
+    
+    operator T () const
+    {
+      swig::SwigVar_PyObject item = PySequence_GetItem(_seq, _index);
+      try {
+	return swig::as<T>(item, true);
+      } catch (std::exception& e) {
+	char msg[1024];
+	sprintf(msg, "in sequence element %d ", _index);
+	if (!PyErr_Occurred()) {
+	  ::%type_error(swig::type_name<T>());
+	}
+	SWIG_Python_AddErrorMsg(msg);
+	SWIG_Python_AddErrorMsg(e.what());
+	throw;
+      }
+    }
+
+    SwigPySequence_Ref& operator=(const T& v)
+    {
+      PySequence_SetItem(_seq, _index, swig::from<T>(v));
+      return *this;
+    }
+
+  private:
+    PyObject* _seq;
+    int _index;
+  };
+
+  template <class T>
+  struct SwigPySequence_ArrowProxy
+  {
+    SwigPySequence_ArrowProxy(const T& x): m_value(x) {}
+    const T* operator->() const { return &m_value; }
+    operator const T*() const { return &m_value; }
+    T m_value;
+  };
+
+  template <class T, class Reference >
+  struct SwigPySequence_InputIterator
+  {
+    typedef SwigPySequence_InputIterator<T, Reference > self;
+
+    typedef std::random_access_iterator_tag iterator_category;
+    typedef Reference reference;
+    typedef T value_type;
+    typedef T* pointer;
+    typedef int difference_type;
+
+    SwigPySequence_InputIterator()
+    {
+    }
+
+    SwigPySequence_InputIterator(PyObject* seq, int index)
+      : _seq(seq), _index(index)
+    {
+    }
+
+    reference operator*() const
+    {
+      return reference(_seq, _index);
+    }
+
+    SwigPySequence_ArrowProxy<T>
+    operator->() const {
+      return SwigPySequence_ArrowProxy<T>(operator*());
+    }
+
+    bool operator==(const self& ri) const
+    {
+      return (_index == ri._index) && (_seq == ri._seq);
+    }
+
+    bool operator!=(const self& ri) const
+    {
+      return !(operator==(ri));
+    }
+
+    self& operator ++ ()
+    {
+      ++_index;
+      return *this;
+    }
+
+    self& operator -- ()
+    {
+      --_index;
+      return *this;
+    }
+
+    self& operator += (difference_type n)
+    {
+      _index += n;
+      return *this;
+    }
+
+    self operator +(difference_type n) const
+    {
+      return self(_seq, _index + n);
+    }
+
+    self& operator -= (difference_type n)
+    {
+      _index -= n;
+      return *this;
+    }
+
+    self operator -(difference_type n) const
+    {
+      return self(_seq, _index - n);
+    }
+
+    difference_type operator - (const self& ri) const
+    {
+      return _index - ri._index;
+    }
+
+    bool operator < (const self& ri) const
+    {
+      return _index < ri._index;
+    }
+
+    reference
+    operator[](difference_type n) const
+    {
+      return reference(_seq, _index + n);
+    }
+
+  private:
+    PyObject* _seq;
+    difference_type _index;
+  };
+
+  template <class T>
+  struct SwigPySequence_Cont
+  {
+    typedef SwigPySequence_Ref<T> reference;
+    typedef const SwigPySequence_Ref<T> const_reference;
+    typedef T value_type;
+    typedef T* pointer;
+    typedef int difference_type;
+    typedef int size_type;
+    typedef const pointer const_pointer;
+    typedef SwigPySequence_InputIterator<T, reference> iterator;
+    typedef SwigPySequence_InputIterator<T, const_reference> const_iterator;
+
+    SwigPySequence_Cont(PyObject* seq) : _seq(0)
+    {
+      if (!PySequence_Check(seq)) {
+	throw std::invalid_argument("a sequence is expected");
+      }
+      _seq = seq;
+      Py_INCREF(_seq);
+    }
+
+    ~SwigPySequence_Cont()
+    {
+      Py_XDECREF(_seq);
+    }
+
+    size_type size() const
+    {
+      return static_cast<size_type>(PySequence_Size(_seq));
+    }
+
+    bool empty() const
+    {
+      return size() == 0;
+    }
+
+    iterator begin()
+    {
+      return iterator(_seq, 0);
+    }
+
+    const_iterator begin() const
+    {
+      return const_iterator(_seq, 0);
+    }
+
+    iterator end()
+    {
+      return iterator(_seq, size());
+    }
+
+    const_iterator end() const
+    {
+      return const_iterator(_seq, size());
+    }
+
+    reference operator[](difference_type n)
+    {
+      return reference(_seq, n);
+    }
+
+    const_reference operator[](difference_type n)  const
+    {
+      return const_reference(_seq, n);
+    }
+
+    bool check(bool set_err = true) const
+    {
+      int s = size();
+      for (int i = 0; i < s; ++i) {
+	swig::SwigVar_PyObject item = PySequence_GetItem(_seq, i);
+	if (!swig::check<value_type>(item)) {
+	  if (set_err) {
+	    char msg[1024];
+	    sprintf(msg, "in sequence element %d", i);
+	    SWIG_Error(SWIG_RuntimeError, msg);
+	  }
+	  return false;
+	}
+      }
+      return true;
+    }
+
+  private:
+    PyObject* _seq;
+  };
+
+}
+}
+
+%define %swig_sequence_iterator(Sequence...)
+#if defined(SWIG_EXPORT_ITERATOR_METHODS)
+  class iterator;
+  class reverse_iterator;
+  class const_iterator;
+  class const_reverse_iterator;
+
+  %typemap(out,noblock=1,fragment="SwigPySequence_Cont")
+    iterator, reverse_iterator, const_iterator, const_reverse_iterator {
+    $result = SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &)),
+				 swig::SwigPyIterator::descriptor(),SWIG_POINTER_OWN);
+  }
+  %typemap(out,noblock=1,fragment="SwigPySequence_Cont")
+    std::pair<iterator, iterator>, std::pair<const_iterator, const_iterator> {
+    $result = PyTuple_New(2);
+    PyTuple_SetItem($result,0,SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).first),
+						 swig::SwigPyIterator::descriptor(),SWIG_POINTER_OWN));
+    PyTuple_SetItem($result,1,SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).second),
+						 swig::SwigPyIterator::descriptor(),SWIG_POINTER_OWN));    
+  }
+
+  %fragment("SwigPyPairBoolOutputIterator","header",fragment=SWIG_From_frag(bool),fragment="SwigPySequence_Cont") {}
+
+  %typemap(out,noblock=1,fragment="SwigPyPairBoolOutputIterator")
+    std::pair<iterator, bool>, std::pair<const_iterator, bool> {
+    $result = PyTuple_New(2);
+    PyTuple_SetItem($result,0,SWIG_NewPointerObj(swig::make_output_iterator(%static_cast($1,const $type &).first),
+					       swig::SwigPyIterator::descriptor(),SWIG_POINTER_OWN));    
+    PyTuple_SetItem($result,1,SWIG_From(bool)(%static_cast($1,const $type &).second));
+  }
+
+  %typemap(in,noblock=1,fragment="SwigPySequence_Cont")
+    iterator(swig::SwigPyIterator *iter = 0, int res),
+    reverse_iterator(swig::SwigPyIterator *iter = 0, int res),
+    const_iterator(swig::SwigPyIterator *iter = 0, int res),
+    const_reverse_iterator(swig::SwigPyIterator *iter = 0, int res) {
+    res = SWIG_ConvertPtr($input, %as_voidptrptr(&iter), swig::SwigPyIterator::descriptor(), 0);
+    if (!SWIG_IsOK(res) || !iter) {
+      %argument_fail(SWIG_TypeError, "$type", $symname, $argnum);
+    } else {
+      swig::SwigPyIterator_T<$type > *iter_t = dynamic_cast<swig::SwigPyIterator_T<$type > *>(iter);
+      if (iter_t) {
+	$1 = iter_t->get_current();
+      } else {
+	%argument_fail(SWIG_TypeError, "$type", $symname, $argnum);
+      }
+    }
+  }
+
+  %typecheck(%checkcode(ITERATOR),noblock=1,fragment="SwigPySequence_Cont")
+    iterator, reverse_iterator, const_iterator, const_reverse_iterator {
+    swig::SwigPyIterator *iter = 0;
+    int res = SWIG_ConvertPtr($input, %as_voidptrptr(&iter), swig::SwigPyIterator::descriptor(), 0);
+    $1 = (SWIG_IsOK(res) && iter && (dynamic_cast<swig::SwigPyIterator_T<$type > *>(iter) != 0));
+  }
+
+  %fragment("SwigPySequence_Cont");
+
+  %newobject iterator(PyObject **PYTHON_SELF);
+  %extend  {
+    swig::SwigPyIterator* iterator(PyObject **PYTHON_SELF) {
+      return swig::make_output_iterator(self->begin(), self->begin(), self->end(), *PYTHON_SELF);
+    }
+
+    %pythoncode {def __iter__(self): return self.iterator()}
+  }
+#endif //SWIG_EXPORT_ITERATOR_METHODS
+%enddef
+
+
+/**** The python container methods  ****/
+
+
+%define %swig_container_methods(Container...)
+
+  %newobject __getslice__;
+
+  %extend {
+    bool __nonzero__() const {
+      return !(self->empty());
+    }
+
+    /* Alias for Python 3 compatibility */
+    bool __bool__() const {
+      return !(self->empty());
+    }
+
+    size_type __len__() const {
+      return self->size();
+    }
+  }
+%enddef
+
+%define %swig_sequence_methods_common(Sequence...)
+  %swig_sequence_iterator(%arg(Sequence))
+  %swig_container_methods(%arg(Sequence))
+  
+  %fragment("SwigPySequence_Base");
+
+  %extend {
+    value_type pop() throw (std::out_of_range) {
+      if (self->size() == 0)
+	throw std::out_of_range("pop from empty container");
+      Sequence::value_type x = self->back();
+      self->pop_back();
+      return x;
+    }
+
+    /* typemap for slice object support */
+    %typemap(in) PySliceObject* {
+      $1 = (PySliceObject *) $input;
+    }
+    %typemap(typecheck,precedence=SWIG_TYPECHECK_POINTER) PySliceObject* {
+      $1 = PySlice_Check($input);
+    }
+
+    Sequence* __getslice__(difference_type i, difference_type j) throw (std::out_of_range) {
+      return swig::getslice(self, i, j);
+    }
+
+    void __setslice__(difference_type i, difference_type j, const Sequence& v) 
+      throw (std::out_of_range, std::invalid_argument) {
+      swig::setslice(self, i, j, v);
+    }
+
+    void __delslice__(difference_type i, difference_type j) throw (std::out_of_range) {
+      swig::delslice(self, i, j);
+    }
+
+    void __delitem__(difference_type i) throw (std::out_of_range) {
+      self->erase(swig::getpos(self,i));
+    }
+
+
+    /* Overloaded methods for Python 3 compatibility 
+     * (Also useful in Python 2.x)
+     */
+    Sequence* __getitem__(PySliceObject *slice) throw (std::out_of_range) {
+      Py_ssize_t i, j, step;
+      if( !PySlice_Check(slice) ) {
+        SWIG_Error(SWIG_TypeError, "Slice object expected.");
+        return NULL;
+      }
+      PySlice_GetIndices(slice, self->size(), &i, &j, &step);
+      return swig::getslice(self, i, j);
+    }
+
+    void __setitem__(PySliceObject *slice, const Sequence& v)
+      throw (std::out_of_range, std::invalid_argument) {
+      Py_ssize_t i, j, step;
+      if( !PySlice_Check(slice) ) {
+        SWIG_Error(SWIG_TypeError, "Slice object expected.");
+        return;
+      }
+      PySlice_GetIndices(slice, self->size(), &i, &j, &step);
+      swig::setslice(self, i, j, v);
+    }
+
+    void __delitem__(PySliceObject *slice)
+      throw (std::out_of_range) {
+      Py_ssize_t i, j, step;
+      if( !PySlice_Check(slice) ) {
+        SWIG_Error(SWIG_TypeError, "Slice object expected.");
+        return;
+      }
+      PySlice_GetIndices(slice, self->size(), &i, &j, &step);
+      swig::delslice(self, i,j);
+    }
+     
+  }
+%enddef
+
+%define %swig_sequence_methods(Sequence...)
+  %swig_sequence_methods_common(%arg(Sequence))
+  %extend {
+    const value_type& __getitem__(difference_type i) const throw (std::out_of_range) {
+      return *(swig::cgetpos(self, i));
+    }
+
+    void __setitem__(difference_type i, const value_type& x) throw (std::out_of_range) {
+      *(swig::getpos(self,i)) = x;
+    }
+
+    void append(const value_type& x) {
+      self->push_back(x);
+    }
+ }
+%enddef
+
+%define %swig_sequence_methods_val(Sequence...)
+  %swig_sequence_methods_common(%arg(Sequence))
+  %extend {
+    value_type __getitem__(difference_type i) throw (std::out_of_range) {
+      return *(swig::cgetpos(self, i));
+    }
+
+    void __setitem__(difference_type i, value_type x) throw (std::out_of_range) {
+      *(swig::getpos(self,i)) = x;
+    }
+
+    void append(value_type x) {
+      self->push_back(x);
+    }
+ }
+%enddef
+
+
+
+//
+// Common fragments
+//
+
+%fragment("StdSequenceTraits","header",
+	  fragment="StdTraits",
+	  fragment="SwigPySequence_Cont")
+{
+namespace swig {
+  template <class SwigPySeq, class Seq>
+  inline void
+  assign(const SwigPySeq& swigpyseq, Seq* seq) {
+    // seq->assign(swigpyseq.begin(), swigpyseq.end()); // not used as not always implemented
+    typedef typename SwigPySeq::value_type value_type;
+    typename SwigPySeq::const_iterator it = swigpyseq.begin();
+    for (;it != swigpyseq.end(); ++it) {
+      seq->insert(seq->end(),(value_type)(*it));
+    }
+  }
+
+  template <class Seq, class T = typename Seq::value_type >
+  struct traits_asptr_stdseq {
+    typedef Seq sequence;
+    typedef T value_type;
+
+    static int asptr(PyObject *obj, sequence **seq) {
+      if (obj == Py_None || SWIG_Python_GetSwigThis(obj)) {
+	sequence *p;
+	if (::SWIG_ConvertPtr(obj,(void**)&p,
+			      swig::type_info<sequence>(),0) == SWIG_OK) {
+	  if (seq) *seq = p;
+	  return SWIG_OLDOBJ;
+	}
+      } else if (PySequence_Check(obj)) {
+	try {
+	  SwigPySequence_Cont<value_type> swigpyseq(obj);
+	  if (seq) {
+	    sequence *pseq = new sequence();
+	    assign(swigpyseq, pseq);
+	    *seq = pseq;
+	    return SWIG_NEWOBJ;
+	  } else {
+	    return swigpyseq.check() ? SWIG_OK : SWIG_ERROR;
+	  }
+	} catch (std::exception& e) {
+	  if (seq) {
+	    if (!PyErr_Occurred()) {
+	      PyErr_SetString(PyExc_TypeError, e.what());
+	    }
+	  }
+	  return SWIG_ERROR;
+	}
+      }
+      return SWIG_ERROR;
+    }
+  };
+
+  template <class Seq, class T = typename Seq::value_type >
+  struct traits_from_stdseq {
+    typedef Seq sequence;
+    typedef T value_type;
+    typedef typename Seq::size_type size_type;
+    typedef typename sequence::const_iterator const_iterator;
+
+    static PyObject *from(const sequence& seq) {
+%#ifdef SWIG_PYTHON_EXTRA_NATIVE_CONTAINERS
+      swig_type_info *desc = swig::type_info<sequence>();
+      if (desc && desc->clientdata) {
+	return SWIG_NewPointerObj(new sequence(seq), desc, SWIG_POINTER_OWN);
+      }
+%#endif
+      size_type size = seq.size();
+      if (size <= (size_type)INT_MAX) {
+	PyObject *obj = PyTuple_New((int)size);
+	int i = 0;
+	for (const_iterator it = seq.begin();
+	     it != seq.end(); ++it, ++i) {
+	  PyTuple_SetItem(obj,i,swig::from<value_type>(*it));
+	}
+	return obj;
+      } else {
+	PyErr_SetString(PyExc_OverflowError,"sequence size not valid in python");
+	return NULL;
+      }
+    }
+  };
+}
+}