Add several fixed files for swig.

Workaround for broken swig, which allows old swig versions to work too.

These files should be removed when fixed swig is released.

Thanks to Juvenal for suggestion.

swig_lib/python/pyhead.swg

@@ -0,0 +1,214 @@
+/* Compatibility macros for Python 3 */
+#if PY_VERSION_HEX >= 0x03000000
+
+#define PyClass_Check(obj) PyObject_IsInstance(obj, (PyObject *)&PyType_Type)
+#define PyInt_Check(x) PyLong_Check(x)
+#define PyInt_AsLong(x) PyLong_AsLong(x)
+#define PyInt_FromLong(x) PyLong_FromLong(x)
+#define PyInt_FromSize_t(x) PyLong_FromSize_t(x)
+#define PyString_Check(name) PyBytes_Check(name)
+#define PyString_FromString(x) PyUnicode_FromString(x)
+#define PyString_Format(fmt, args)  PyUnicode_Format(fmt, args)
+#define PyString_AsString(str) PyBytes_AsString(str)
+#define PyString_Size(str) PyBytes_Size(str)	
+#define PyString_InternFromString(key) PyUnicode_InternFromString(key)
+#define Py_TPFLAGS_HAVE_CLASS Py_TPFLAGS_BASETYPE
+#define PyString_AS_STRING(x) PyUnicode_AS_STRING(x)
+#define _PyLong_FromSsize_t(x) PyLong_FromSsize_t(x)
+
+#endif
+
+#ifndef Py_TYPE
+#  define Py_TYPE(op) ((op)->ob_type)
+#endif
+
+/* SWIG APIs for compatibility of both Python 2 & 3 */
+
+#if PY_VERSION_HEX >= 0x03000000
+#  define SWIG_Python_str_FromFormat PyUnicode_FromFormat
+#else
+#  define SWIG_Python_str_FromFormat PyString_FromFormat
+#endif
+
+
+/* Warning: This function will allocate a new string in Python 3,
+ * so please call SWIG_Python_str_DelForPy3(x) to free the space.
+ */
+SWIGINTERN char*
+SWIG_Python_str_AsChar(PyObject *str)
+{
+#if PY_VERSION_HEX >= 0x03000000
+  char *cstr;
+  char *newstr;
+  Py_ssize_t len;
+  str = PyUnicode_AsUTF8String(str);
+  PyBytes_AsStringAndSize(str, &cstr, &len);
+  newstr = (char *) malloc(len+1);
+  memcpy(newstr, cstr, len+1);
+  Py_XDECREF(str);
+  return newstr;
+#else
+  return PyString_AsString(str);
+#endif
+}
+
+#if PY_VERSION_HEX >= 0x03000000
+#  define SWIG_Python_str_DelForPy3(x) free( (void*) (x) )
+#else
+#  define SWIG_Python_str_DelForPy3(x) 
+#endif
+
+
+SWIGINTERN PyObject*
+SWIG_Python_str_FromChar(const char *c)
+{
+#if PY_VERSION_HEX >= 0x03000000
+  return PyUnicode_FromString(c); 
+#else
+  return PyString_FromString(c);
+#endif
+}
+
+/* Add PyOS_snprintf for old Pythons */
+#if PY_VERSION_HEX < 0x02020000
+# if defined(_MSC_VER) || defined(__BORLANDC__) || defined(_WATCOM)
+#  define PyOS_snprintf _snprintf
+# else
+#  define PyOS_snprintf snprintf
+# endif
+#endif
+
+/* A crude PyString_FromFormat implementation for old Pythons */
+#if PY_VERSION_HEX < 0x02020000
+
+#ifndef SWIG_PYBUFFER_SIZE
+# define SWIG_PYBUFFER_SIZE 1024
+#endif
+
+static PyObject *
+PyString_FromFormat(const char *fmt, ...) {
+  va_list ap;
+  char buf[SWIG_PYBUFFER_SIZE * 2];
+  int res;
+  va_start(ap, fmt);
+  res = vsnprintf(buf, sizeof(buf), fmt, ap);
+  va_end(ap);
+  return (res < 0 || res >= (int)sizeof(buf)) ? 0 : PyString_FromString(buf);
+}
+#endif
+
+/* Add PyObject_Del for old Pythons */
+#if PY_VERSION_HEX < 0x01060000
+# define PyObject_Del(op) PyMem_DEL((op))
+#endif
+#ifndef PyObject_DEL
+# define PyObject_DEL PyObject_Del
+#endif
+
+/* A crude PyExc_StopIteration exception for old Pythons */
+#if PY_VERSION_HEX < 0x02020000
+# ifndef PyExc_StopIteration
+#  define PyExc_StopIteration PyExc_RuntimeError
+# endif
+# ifndef PyObject_GenericGetAttr
+#  define PyObject_GenericGetAttr 0
+# endif
+#endif
+
+/* Py_NotImplemented is defined in 2.1 and up. */
+#if PY_VERSION_HEX < 0x02010000
+# ifndef Py_NotImplemented
+#  define Py_NotImplemented PyExc_RuntimeError
+# endif
+#endif
+
+/* A crude PyString_AsStringAndSize implementation for old Pythons */
+#if PY_VERSION_HEX < 0x02010000
+# ifndef PyString_AsStringAndSize
+#  define PyString_AsStringAndSize(obj, s, len) {*s = PyString_AsString(obj); *len = *s ? strlen(*s) : 0;}
+# endif
+#endif
+
+/* PySequence_Size for old Pythons */
+#if PY_VERSION_HEX < 0x02000000
+# ifndef PySequence_Size
+#  define PySequence_Size PySequence_Length
+# endif
+#endif
+
+/* PyBool_FromLong for old Pythons */
+#if PY_VERSION_HEX < 0x02030000
+static
+PyObject *PyBool_FromLong(long ok)
+{
+  PyObject *result = ok ? Py_True : Py_False;
+  Py_INCREF(result);
+  return result;
+}
+#endif
+
+/* Py_ssize_t for old Pythons */
+/* This code is as recommended by: */
+/* http://www.python.org/dev/peps/pep-0353/#conversion-guidelines */
+#if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN)
+typedef int Py_ssize_t;
+# define PY_SSIZE_T_MAX INT_MAX
+# define PY_SSIZE_T_MIN INT_MIN
+typedef inquiry lenfunc;
+typedef intargfunc ssizeargfunc;
+typedef intintargfunc ssizessizeargfunc;
+typedef intobjargproc ssizeobjargproc;
+typedef intintobjargproc ssizessizeobjargproc;
+typedef getreadbufferproc readbufferproc;
+typedef getwritebufferproc writebufferproc;
+typedef getsegcountproc segcountproc;
+typedef getcharbufferproc charbufferproc;
+static long PyNumber_AsSsize_t (PyObject *x, void *SWIGUNUSEDPARM(exc))
+{
+  long result = 0;
+  PyObject *i = PyNumber_Int(x);
+  if (i) {
+    result = PyInt_AsLong(i);
+    Py_DECREF(i);
+  }
+  return result;
+}
+#endif
+
+#if PY_VERSION_HEX < 0x02040000
+#define Py_VISIT(op)				\
+  do { 						\
+    if (op) {					\
+      int vret = visit((op), arg);		\
+      if (vret)					\
+        return vret;				\
+    }						\
+  } while (0)
+#endif
+
+#if PY_VERSION_HEX < 0x02030000
+typedef struct {
+  PyTypeObject type;
+  PyNumberMethods as_number;
+  PyMappingMethods as_mapping;
+  PySequenceMethods as_sequence;
+  PyBufferProcs as_buffer;
+  PyObject *name, *slots;
+} PyHeapTypeObject;
+#endif
+
+#if PY_VERSION_HEX < 0x02030000
+typedef destructor freefunc;
+#endif
+
+#if ((PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION > 6) || \
+     (PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION > 0) || \
+     (PY_MAJOR_VERSION > 3))
+# define SWIGPY_USE_CAPSULE
+# define SWIGPY_CAPSULE_NAME ((char*)"swig_runtime_data" SWIG_RUNTIME_VERSION ".type_pointer_capsule" SWIG_TYPE_TABLE_NAME)
+#endif
+
+#if PY_VERSION_HEX < 0x03020000
+#define PyDescr_TYPE(x) (((PyDescrObject *)(x))->d_type)
+#define PyDescr_NAME(x) (((PyDescrObject *)(x))->d_name)
+#endif

swig_lib/python/std_set.i

@@ -0,0 +1,63 @@
+/*
+  Sets
+*/
+
+%fragment("StdSetTraits","header",fragment="StdSequenceTraits")
+%{
+  namespace swig {
+    template <class SwigPySeq, class T> 
+    inline void 
+    assign(const SwigPySeq& swigpyseq, std::set<T>* seq) {
+      // seq->insert(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 T>
+    struct traits_asptr<std::set<T> >  {
+      static int asptr(PyObject *obj, std::set<T> **s) {
+	return traits_asptr_stdseq<std::set<T> >::asptr(obj, s);
+      }
+    };
+
+    template <class T>
+    struct traits_from<std::set<T> > {
+      static PyObject *from(const std::set<T>& vec) {
+	return traits_from_stdseq<std::set<T> >::from(vec);
+      }
+    };
+  }
+%}
+
+%define %swig_set_methods(set...)
+  %swig_sequence_iterator(set);
+  %swig_container_methods(set);
+
+  %extend  {
+     void append(value_type x) {
+       self->insert(x);
+     }
+  
+     bool __contains__(value_type x) {
+       return self->find(x) != self->end();
+     }
+
+     value_type __getitem__(difference_type i) const throw (std::out_of_range) {
+       return *(swig::cgetpos(self, i));
+     }
+
+     void add(value_type x) {
+       self->insert(x);
+     }
+
+     void discard(value_type x) {
+       self->erase(x);
+     }
+
+  };
+%enddef
+
+%include <std/std_set.i>