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Filename : IndirectPythonInterface.cxx
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//-----------------------------------------------------------------------------
//
// Copyright (c) 1998 - 2007, The Regents of the University of California
// Produced at the Lawrence Livermore National Laboratory
// All rights reserved.
//
// This file is part of PyCXX. For details,see http://cxx.sourceforge.net/. The
// full copyright notice is contained in the file COPYRIGHT located at the root
// of the PyCXX distribution.
//
// Redistribution  and  use  in  source  and  binary  forms,  with  or  without
// modification, are permitted provided that the following conditions are met:
//
//  - Redistributions of  source code must  retain the above  copyright notice,
//    this list of conditions and the disclaimer below.
//  - Redistributions in binary form must reproduce the above copyright notice,
//    this  list of  conditions  and  the  disclaimer (as noted below)  in  the
//    documentation and/or materials provided with the distribution.
//  - Neither the name of the UC/LLNL nor  the names of its contributors may be
//    used to  endorse or  promote products derived from  this software without
//    specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT  HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR  IMPLIED WARRANTIES, INCLUDING,  BUT NOT  LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND  FITNESS FOR A PARTICULAR  PURPOSE
// ARE  DISCLAIMED.  IN  NO  EVENT  SHALL  THE  REGENTS  OF  THE  UNIVERSITY OF
// CALIFORNIA, THE U.S.  DEPARTMENT  OF  ENERGY OR CONTRIBUTORS BE  LIABLE  FOR
// ANY  DIRECT,  INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT  LIMITED TO, PROCUREMENT OF  SUBSTITUTE GOODS OR
// SERVICES; LOSS OF  USE, DATA, OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER
// CAUSED  AND  ON  ANY  THEORY  OF  LIABILITY,  WHETHER  IN  CONTRACT,  STRICT
// LIABILITY, OR TORT  (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY  WAY
// OUT OF THE  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.
//
//-----------------------------------------------------------------------------

#include "CXX/IndirectPythonInterface.hxx"

namespace Py
{
bool _CFunction_Check( PyObject *op )   { return op->ob_type == _CFunction_Type(); }
bool _CObject_Check( PyObject *op )     { return op->ob_type == _CObject_Type(); }
bool _Complex_Check( PyObject *op )     { return op->ob_type == _Complex_Type(); }
bool _Dict_Check( PyObject *op )        { return op->ob_type == _Dict_Type(); }
bool _Float_Check( PyObject *op )       { return op->ob_type == _Float_Type(); }
bool _Function_Check( PyObject *op )    { return op->ob_type == _Function_Type(); }
bool _Boolean_Check( PyObject *op )     { return op->ob_type == _Bool_Type(); }
bool _List_Check( PyObject *op )        { return op->ob_type == _List_Type(); }
bool _Long_Check( PyObject *op )        { return op->ob_type == _Long_Type(); }
bool _Method_Check( PyObject *op )      { return op->ob_type == _Method_Type(); }
bool _Module_Check( PyObject *op )      { return op->ob_type == _Module_Type(); }
bool _Range_Check( PyObject *op )       { return op->ob_type == _Range_Type(); }
bool _Slice_Check( PyObject *op )       { return op->ob_type == _Slice_Type(); }
bool _TraceBack_Check( PyObject *op )   { return op->ob_type == _TraceBack_Type(); }
bool _Tuple_Check( PyObject *op )       { return op->ob_type == _Tuple_Type(); }
bool _Type_Check( PyObject *op )        { return op->ob_type == _Type_Type(); }
bool _Unicode_Check( PyObject *op )     { return op->ob_type == _Unicode_Type(); }
bool _Bytes_Check( PyObject *op )       { return op->ob_type == _Bytes_Type(); }

#if defined(PY_WIN32_DELAYLOAD_PYTHON_DLL)

#if defined(MS_WINDOWS)
#include <windows.h>


static HMODULE python_dll;

static PyObject *ptr__Exc_ArithmeticError = NULL;
static PyObject *ptr__Exc_AssertionError = NULL;
static PyObject *ptr__Exc_AttributeError = NULL;
static PyObject *ptr__Exc_EnvironmentError = NULL;
static PyObject *ptr__Exc_EOFError = NULL;
static PyObject *ptr__Exc_Exception = NULL;
static PyObject *ptr__Exc_FloatingPointError = NULL;
static PyObject *ptr__Exc_ImportError = NULL;
static PyObject *ptr__Exc_IndexError = NULL;
static PyObject *ptr__Exc_IOError = NULL;
static PyObject *ptr__Exc_KeyboardInterrupt = NULL;
static PyObject *ptr__Exc_KeyError = NULL;
static PyObject *ptr__Exc_LookupError = NULL;
static PyObject *ptr__Exc_MemoryError = NULL;
static PyObject *ptr__Exc_MemoryErrorInst = NULL;
static PyObject *ptr__Exc_NameError = NULL;
static PyObject *ptr__Exc_NotImplementedError = NULL;
static PyObject *ptr__Exc_OSError = NULL;
static PyObject *ptr__Exc_OverflowError = NULL;
static PyObject *ptr__Exc_RuntimeError = NULL;
static PyObject *ptr__Exc_StandardError = NULL;
static PyObject *ptr__Exc_SyntaxError = NULL;
static PyObject *ptr__Exc_SystemError = NULL;
static PyObject *ptr__Exc_SystemExit = NULL;
static PyObject *ptr__Exc_TypeError = NULL;
static PyObject *ptr__Exc_ValueError = NULL;
static PyObject *ptr__Exc_ZeroDivisionError = NULL;

#ifdef MS_WINDOWS
static PyObject *ptr__Exc_WindowsError = NULL;
#endif

static PyObject *ptr__Exc_IndentationError = NULL;
static PyObject *ptr__Exc_TabError = NULL;
static PyObject *ptr__Exc_UnboundLocalError = NULL;
static PyObject *ptr__Exc_UnicodeError = NULL;
static PyObject *ptr__PyNone = NULL;
static PyObject *ptr__PyFalse = NULL;
static PyObject *ptr__PyTrue = NULL;
static PyTypeObject *ptr__CFunction_Type = NULL;
static PyTypeObject *ptr__CObject_Type = NULL;
static PyTypeObject *ptr__Complex_Type = NULL;
static PyTypeObject *ptr__Dict_Type = NULL;
static PyTypeObject *ptr__Float_Type = NULL;
static PyTypeObject *ptr__Function_Type = NULL;
static PyTypeObject *ptr__List_Type = NULL;
static PyTypeObject *ptr__Long_Type = NULL;
static PyTypeObject *ptr__Method_Type = NULL;
static PyTypeObject *ptr__Module_Type = NULL;
static PyTypeObject *ptr__Range_Type = NULL;
static PyTypeObject *ptr__Slice_Type = NULL;
static PyTypeObject *ptr__TraceBack_Type = NULL;
static PyTypeObject *ptr__Tuple_Type = NULL;
static PyTypeObject *ptr__Type_Type = NULL;

static int *ptr_Py_DebugFlag = NULL;
static int *ptr_Py_InteractiveFlag = NULL;
static int *ptr_Py_OptimizeFlag = NULL;
static int *ptr_Py_NoSiteFlag = NULL;
static int *ptr_Py_VerboseFlag = NULL;

static char **ptr__Py_PackageContext = NULL;

#ifdef Py_REF_DEBUG
int *ptr_Py_RefTotal;
#endif


//--------------------------------------------------------------------------------
class GetAddressException
{
public:
    GetAddressException( const char *_name )
        : name( _name )
    {}
    virtual ~GetAddressException() {}
    const char *name;
};


//--------------------------------------------------------------------------------
static PyObject *GetPyObjectPointer_As_PyObjectPointer( const char *name )
{
    FARPROC addr = GetProcAddress( python_dll, name );
    if( addr == NULL )
        throw GetAddressException( name );

    return *(PyObject **)addr;
}

static PyObject *GetPyObject_As_PyObjectPointer( const char *name )
{
    FARPROC addr = GetProcAddress( python_dll, name );
    if( addr == NULL )
        throw GetAddressException( name );

    return (PyObject *)addr;
}

static PyTypeObject *GetPyTypeObjectPointer_As_PyTypeObjectPointer( const char *name )
{
    FARPROC addr = GetProcAddress( python_dll, name );
    if( addr == NULL )
        throw GetAddressException( name );

    return *(PyTypeObject **)addr;
}

static PyTypeObject *GetPyTypeObject_As_PyTypeObjectPointer( const char *name )
{
    FARPROC addr = GetProcAddress( python_dll, name );
    if( addr == NULL )
        throw GetAddressException( name );

    return (PyTypeObject *)addr;
}

static int *GetInt_as_IntPointer( const char *name )
{
    FARPROC addr = GetProcAddress( python_dll, name );
    if( addr == NULL )
        throw GetAddressException( name );

    return (int *)addr;
}

static char **GetCharPointer_as_CharPointerPointer( const char *name )
{
    FARPROC addr = GetProcAddress( python_dll, name );
    if( addr == NULL )
        throw GetAddressException( name );

    return (char **)addr;
}


#ifdef _DEBUG
static const char python_dll_name_format[] = "PYTHON%1.1d%1.1d_D.DLL";
#else
static const char python_dll_name_format[] = "PYTHON%1.1d%1.1d.DLL";
#endif

//--------------------------------------------------------------------------------
bool InitialisePythonIndirectInterface()
{
    char python_dll_name[sizeof(python_dll_name_format)];

    sprintf( python_dll_name, python_dll_name_format, PY_MAJOR_VERSION, PY_MINOR_VERSION );

    python_dll = LoadLibrary( python_dll_name );
    if( python_dll == NULL )
        return false;

    try
    {
#ifdef Py_REF_DEBUG
    ptr_Py_RefTotal             = GetInt_as_IntPointer( "_Py_RefTotal" );
#endif
    ptr_Py_DebugFlag            = GetInt_as_IntPointer( "Py_DebugFlag" );
    ptr_Py_InteractiveFlag      = GetInt_as_IntPointer( "Py_InteractiveFlag" );
    ptr_Py_OptimizeFlag         = GetInt_as_IntPointer( "Py_OptimizeFlag" );
    ptr_Py_NoSiteFlag           = GetInt_as_IntPointer( "Py_NoSiteFlag" );
    ptr_Py_VerboseFlag          = GetInt_as_IntPointer( "Py_VerboseFlag" );
    ptr__Py_PackageContext      = GetCharPointer_as_CharPointerPointer( "_Py_PackageContext" );

    ptr__Exc_ArithmeticError    = GetPyObjectPointer_As_PyObjectPointer( "PyExc_ArithmeticError" );
    ptr__Exc_AssertionError     = GetPyObjectPointer_As_PyObjectPointer( "PyExc_AssertionError" );
    ptr__Exc_AttributeError     = GetPyObjectPointer_As_PyObjectPointer( "PyExc_AttributeError" );
    ptr__Exc_EnvironmentError   = GetPyObjectPointer_As_PyObjectPointer( "PyExc_EnvironmentError" );
    ptr__Exc_EOFError           = GetPyObjectPointer_As_PyObjectPointer( "PyExc_EOFError" );
    ptr__Exc_Exception          = GetPyObjectPointer_As_PyObjectPointer( "PyExc_Exception" );
    ptr__Exc_FloatingPointError = GetPyObjectPointer_As_PyObjectPointer( "PyExc_FloatingPointError" );
    ptr__Exc_ImportError        = GetPyObjectPointer_As_PyObjectPointer( "PyExc_ImportError" );
    ptr__Exc_IndexError         = GetPyObjectPointer_As_PyObjectPointer( "PyExc_IndexError" );
    ptr__Exc_IOError            = GetPyObjectPointer_As_PyObjectPointer( "PyExc_IOError" );
    ptr__Exc_KeyboardInterrupt  = GetPyObjectPointer_As_PyObjectPointer( "PyExc_KeyboardInterrupt" );
    ptr__Exc_KeyError           = GetPyObjectPointer_As_PyObjectPointer( "PyExc_KeyError" );
    ptr__Exc_LookupError        = GetPyObjectPointer_As_PyObjectPointer( "PyExc_LookupError" );
    ptr__Exc_MemoryError        = GetPyObjectPointer_As_PyObjectPointer( "PyExc_MemoryError" );
    ptr__Exc_MemoryErrorInst    = GetPyObjectPointer_As_PyObjectPointer( "PyExc_MemoryErrorInst" );
    ptr__Exc_NameError          = GetPyObjectPointer_As_PyObjectPointer( "PyExc_NameError" );
    ptr__Exc_NotImplementedError= GetPyObjectPointer_As_PyObjectPointer( "PyExc_NotImplementedError" );
    ptr__Exc_OSError            = GetPyObjectPointer_As_PyObjectPointer( "PyExc_OSError" );
    ptr__Exc_OverflowError      = GetPyObjectPointer_As_PyObjectPointer( "PyExc_OverflowError" );
    ptr__Exc_RuntimeError       = GetPyObjectPointer_As_PyObjectPointer( "PyExc_RuntimeError" );
    ptr__Exc_StandardError      = GetPyObjectPointer_As_PyObjectPointer( "PyExc_StandardError" );
    ptr__Exc_SyntaxError        = GetPyObjectPointer_As_PyObjectPointer( "PyExc_SyntaxError" );
    ptr__Exc_SystemError        = GetPyObjectPointer_As_PyObjectPointer( "PyExc_SystemError" );
    ptr__Exc_SystemExit         = GetPyObjectPointer_As_PyObjectPointer( "PyExc_SystemExit" );
    ptr__Exc_TypeError          = GetPyObjectPointer_As_PyObjectPointer( "PyExc_TypeError" );
    ptr__Exc_ValueError         = GetPyObjectPointer_As_PyObjectPointer( "PyExc_ValueError" );
#ifdef MS_WINDOWS
    ptr__Exc_WindowsError       = GetPyObjectPointer_As_PyObjectPointer( "PyExc_WindowsError" );
#endif
    ptr__Exc_ZeroDivisionError  = GetPyObjectPointer_As_PyObjectPointer( "PyExc_ZeroDivisionError" );
    ptr__Exc_IndentationError   = GetPyObjectPointer_As_PyObjectPointer( "PyExc_IndentationError" );
    ptr__Exc_TabError           = GetPyObjectPointer_As_PyObjectPointer( "PyExc_TabError" );
    ptr__Exc_UnboundLocalError  = GetPyObjectPointer_As_PyObjectPointer( "PyExc_UnboundLocalError" );
    ptr__Exc_UnicodeError       = GetPyObjectPointer_As_PyObjectPointer( "PyExc_UnicodeError" );
    ptr__PyNone                 = GetPyObject_As_PyObjectPointer( "_Py_NoneStruct" );

    ptr__PyFalse                = GetPyObject_As_PyObjectPointer( "_Py_ZeroStruct" );
    ptr__PyTrue                 = GetPyObject_As_PyObjectPointer( "_Py_TrueStruct" );

    ptr__CFunction_Type         = GetPyTypeObject_As_PyTypeObjectPointer( "PyCFunction_Type" );
    ptr__CObject_Type           = GetPyTypeObject_As_PyTypeObjectPointer( "PyCObject_Type" );
    ptr__Complex_Type           = GetPyTypeObject_As_PyTypeObjectPointer( "PyComplex_Type" );
    ptr__Dict_Type              = GetPyTypeObject_As_PyTypeObjectPointer( "PyDict_Type" );
    ptr__Float_Type             = GetPyTypeObject_As_PyTypeObjectPointer( "PyFloat_Type" );
    ptr__Function_Type          = GetPyTypeObject_As_PyTypeObjectPointer( "PyFunction_Type" );
    ptr__List_Type              = GetPyTypeObject_As_PyTypeObjectPointer( "PyList_Type" );
    ptr__Long_Type              = GetPyTypeObject_As_PyTypeObjectPointer( "PyLong_Type" );
    ptr__Method_Type            = GetPyTypeObject_As_PyTypeObjectPointer( "PyMethod_Type" );
    ptr__Module_Type            = GetPyTypeObject_As_PyTypeObjectPointer( "PyModule_Type" );
    ptr__Range_Type             = GetPyTypeObject_As_PyTypeObjectPointer( "PyRange_Type" );
    ptr__Slice_Type             = GetPyTypeObject_As_PyTypeObjectPointer( "PySlice_Type" );
    ptr__TraceBack_Type         = GetPyTypeObject_As_PyTypeObjectPointer( "PyTraceBack_Type" );
    ptr__Tuple_Type             = GetPyTypeObject_As_PyTypeObjectPointer( "PyTuple_Type" );
    ptr__Type_Type              = GetPyTypeObject_As_PyTypeObjectPointer( "PyType_Type" );
    ptr__Unicode_Type           = GetPyTypeObject_As_PyTypeObjectPointer( "PyUnicode_Type" );
    ptr__Bytes_Type             = GetPyTypeObject_As_PyTypeObjectPointer( "PyBytes_Type" );
    }
    catch( GetAddressException &e )
    {
        OutputDebugString( python_dll_name );
        OutputDebugString( " does not contain symbol ");
        OutputDebugString( e.name );
        OutputDebugString( "\n" );

        return false;
    }

    return true;
}

//
//    Wrap variables as function calls
//
PyObject *_Exc_ArithmeticError()        { return ptr__Exc_ArithmeticError; }
PyObject *_Exc_AssertionError()         { return ptr__Exc_AssertionError; }
PyObject *_Exc_AttributeError()         { return ptr__Exc_AttributeError; }
PyObject *_Exc_EnvironmentError()       { return ptr__Exc_EnvironmentError; }
PyObject *_Exc_EOFError()               { return ptr__Exc_EOFError; }
PyObject *_Exc_Exception()              { return ptr__Exc_Exception; }
PyObject *_Exc_FloatingPointError()     { return ptr__Exc_FloatingPointError; }
PyObject *_Exc_ImportError()            { return ptr__Exc_ImportError; }
PyObject *_Exc_IndexError()             { return ptr__Exc_IndexError; }
PyObject *_Exc_IOError()                { return ptr__Exc_IOError; }
PyObject *_Exc_KeyboardInterrupt()      { return ptr__Exc_KeyboardInterrupt; }
PyObject *_Exc_KeyError()               { return ptr__Exc_KeyError; }
PyObject *_Exc_LookupError()            { return ptr__Exc_LookupError; }
PyObject *_Exc_MemoryError()            { return ptr__Exc_MemoryError; }
PyObject *_Exc_MemoryErrorInst()        { return ptr__Exc_MemoryErrorInst; }
PyObject *_Exc_NameError()              { return ptr__Exc_NameError; }
PyObject *_Exc_NotImplementedError()    { return ptr__Exc_NotImplementedError; }
PyObject *_Exc_OSError()                { return ptr__Exc_OSError; }
PyObject *_Exc_OverflowError()          { return ptr__Exc_OverflowError; }
PyObject *_Exc_RuntimeError()           { return ptr__Exc_RuntimeError; }
PyObject *_Exc_StandardError()          { return ptr__Exc_StandardError; }
PyObject *_Exc_SyntaxError()            { return ptr__Exc_SyntaxError; }
PyObject *_Exc_SystemError()            { return ptr__Exc_SystemError; }
PyObject *_Exc_SystemExit()             { return ptr__Exc_SystemExit; }
PyObject *_Exc_TypeError()              { return ptr__Exc_TypeError; }
PyObject *_Exc_ValueError()             { return ptr__Exc_ValueError; }
#ifdef MS_WINDOWS
PyObject *_Exc_WindowsError()           { return ptr__Exc_WindowsError; }
#endif
PyObject *_Exc_ZeroDivisionError()      { return ptr__Exc_ZeroDivisionError; }
PyObject *_Exc_IndentationError()       { return ptr__Exc_IndentationError; }
PyObject *_Exc_TabError()               { return ptr__Exc_TabError; }
PyObject *_Exc_UnboundLocalError()      { return ptr__Exc_UnboundLocalError; }
PyObject *_Exc_UnicodeError()           { return ptr__Exc_UnicodeError; }

//
//    wrap items in Object.h
//
PyObject *_None()                       { return ptr__PyNone; }

PyObject *_False()                      { return ptr__PyFalse; }
PyObject *_True()                       { return ptr__PyTrue; }

PyTypeObject *_CFunction_Type()         { return ptr__CFunction_Type; }
PyTypeObject *_CObject_Type()           { return ptr__CObject_Type; }
PyTypeObject *_Complex_Type()           { return ptr__Complex_Type; }
PyTypeObject *_Dict_Type()              { return ptr__Dict_Type; }
PyTypeObject *_Float_Type()             { return ptr__Float_Type; }
PyTypeObject *_Function_Type()          { return ptr__Function_Type; }
PyTypeObject *_Bool_Type()              { return ptr__Bool_Type; }
PyTypeObject *_List_Type()              { return ptr__List_Type; }
PyTypeObject *_Long_Type()              { return ptr__Long_Type; }
PyTypeObject *_Method_Type()            { return ptr__Method_Type; }
PyTypeObject *_Module_Type()            { return ptr__Module_Type; }
PyTypeObject *_Range_Type()             { return ptr__Range_Type; }
PyTypeObject *_Slice_Type()             { return ptr__Slice_Type; }
PyTypeObject *_TraceBack_Type()         { return ptr__TraceBack_Type; }
PyTypeObject *_Tuple_Type()             { return ptr__Tuple_Type; }
PyTypeObject *_Type_Type()              { return ptr__Type_Type; }
PyTypeObject *_Unicode_Type()           { return ptr__Unicode_Type; }
PyTypeObject *_Bytes_Type()             { return ptr__Bytes_Type; }

char *__Py_PackageContext()             { return *ptr__Py_PackageContext; }


//
//    wrap the Python Flag variables
//
int &_Py_DebugFlag()                    { return *ptr_Py_DebugFlag; }
int &_Py_InteractiveFlag()              { return *ptr_Py_InteractiveFlag; }
int &_Py_OptimizeFlag()                 { return *ptr_Py_OptimizeFlag; }
int &_Py_NoSiteFlag()                   { return *ptr_Py_NoSiteFlag; }
int &_Py_VerboseFlag()                  { return *ptr_Py_VerboseFlag; }

#if 0
#define Py_INCREF(op) (                         \
    _Py_INC_REFTOTAL  _Py_REF_DEBUG_COMMA       \
    ((PyObject*)(op))->ob_refcnt++)

#define Py_DECREF(op)                           \
    if (_Py_DEC_REFTOTAL  _Py_REF_DEBUG_COMMA   \
        --((PyObject*)(op))->ob_refcnt != 0)    \
        _Py_CHECK_REFCNT(op)                    \
    else                                        \
        _Py_Dealloc((PyObject *)(op))
#endif

void _XINCREF( PyObject *op )
{
    // This function must match the contents of Py_XINCREF(op)
    if( op == NULL )
        return;

#ifdef Py_REF_DEBUG
    (*ptr_Py_RefTotal)++;
#endif
    (op)->ob_refcnt++;

}

void _XDECREF( PyObject *op )
{
    // This function must match the contents of Py_XDECREF(op);
    if( op == NULL )
        return;

#ifdef Py_REF_DEBUG
    (*ptr_Py_RefTotal)--;
#endif

    if (--(op)->ob_refcnt == 0)
        _Py_Dealloc((PyObject *)(op));
}


#else
#error "Can only delay load under Win32"
#endif

#else

//================================================================================
//
//    Map onto Macros
//
//================================================================================

//
//    Wrap variables as function calls
//

PyObject *_Exc_ArithmeticError()        { return ::PyExc_ArithmeticError; }
PyObject *_Exc_AssertionError()         { return ::PyExc_AssertionError; }
PyObject *_Exc_AttributeError()         { return ::PyExc_AttributeError; }
PyObject *_Exc_EnvironmentError()       { return ::PyExc_EnvironmentError; }
PyObject *_Exc_EOFError()               { return ::PyExc_EOFError; }
PyObject *_Exc_Exception()              { return ::PyExc_Exception; }
PyObject *_Exc_FloatingPointError()     { return ::PyExc_FloatingPointError; }
PyObject *_Exc_ImportError()            { return ::PyExc_ImportError; }
PyObject *_Exc_IndexError()             { return ::PyExc_IndexError; }
PyObject *_Exc_IOError()                { return ::PyExc_IOError; }
PyObject *_Exc_KeyboardInterrupt()      { return ::PyExc_KeyboardInterrupt; }
PyObject *_Exc_KeyError()               { return ::PyExc_KeyError; }
PyObject *_Exc_LookupError()            { return ::PyExc_LookupError; }
PyObject *_Exc_MemoryError()            { return ::PyExc_MemoryError; }
PyObject *_Exc_MemoryErrorInst()        { return ::PyExc_MemoryErrorInst; }
PyObject *_Exc_NameError()              { return ::PyExc_NameError; }
PyObject *_Exc_NotImplementedError()    { return ::PyExc_NotImplementedError; }
PyObject *_Exc_OSError()                { return ::PyExc_OSError; }
PyObject *_Exc_OverflowError()          { return ::PyExc_OverflowError; }
PyObject *_Exc_RuntimeError()           { return ::PyExc_RuntimeError; }
PyObject *_Exc_SyntaxError()            { return ::PyExc_SyntaxError; }
PyObject *_Exc_SystemError()            { return ::PyExc_SystemError; }
PyObject *_Exc_SystemExit()             { return ::PyExc_SystemExit; }
PyObject *_Exc_TypeError()              { return ::PyExc_TypeError; }
PyObject *_Exc_ValueError()             { return ::PyExc_ValueError; }
PyObject *_Exc_ZeroDivisionError()      { return ::PyExc_ZeroDivisionError; }
PyObject *_Exc_IndentationError()       { return ::PyExc_IndentationError; }
PyObject *_Exc_TabError()               { return ::PyExc_TabError; }
PyObject *_Exc_UnboundLocalError()      { return ::PyExc_UnboundLocalError; }
PyObject *_Exc_UnicodeError()           { return ::PyExc_UnicodeError; }

#ifdef MS_WINDOWS
PyObject *_Exc_WindowsError()           { return ::PyExc_WindowsError; }
#endif




//
//    wrap items in Object.h
//
PyObject *_None()                       { return &::_Py_NoneStruct; }

PyObject *_False()                      { return Py_False; }
PyObject *_True()                       { return Py_True; }

PyTypeObject *_CFunction_Type()         { return &PyCFunction_Type; }
PyTypeObject *_CObject_Type()           { return &PyCObject_Type; }
PyTypeObject *_Complex_Type()           { return &PyComplex_Type; }
PyTypeObject *_Dict_Type()              { return &PyDict_Type; }
PyTypeObject *_Float_Type()             { return &PyFloat_Type; }
PyTypeObject *_Function_Type()          { return &PyFunction_Type; }
PyTypeObject *_Bool_Type()              { return &PyBool_Type; }
PyTypeObject *_List_Type()              { return &PyList_Type; }
PyTypeObject *_Long_Type()              { return &PyLong_Type; }
PyTypeObject *_Method_Type()            { return &PyMethod_Type; }
PyTypeObject *_Module_Type()            { return &PyModule_Type; }
PyTypeObject *_Range_Type()             { return &PyRange_Type; }
PyTypeObject *_Slice_Type()             { return &PySlice_Type; }
PyTypeObject *_TraceBack_Type()         { return &PyTraceBack_Type; }
PyTypeObject *_Tuple_Type()             { return &PyTuple_Type; }
PyTypeObject *_Type_Type()              { return &PyType_Type; }
PyTypeObject *_Unicode_Type()           { return &PyUnicode_Type; }
PyTypeObject *_Bytes_Type()             { return &PyBytes_Type; }

//
//    wrap flags
//
int &_Py_DebugFlag()                    { return Py_DebugFlag; }
int &_Py_InteractiveFlag()              { return Py_InteractiveFlag; }
int &_Py_OptimizeFlag()                 { return Py_OptimizeFlag; }
int &_Py_NoSiteFlag()                   { return Py_NoSiteFlag; }
int &_Py_VerboseFlag()                  { return Py_VerboseFlag; }
char *__Py_PackageContext()             { return _Py_PackageContext; }

//
//    Needed to keep the abstactions for delayload interface
//
void _XINCREF( PyObject *op )
{
    Py_XINCREF( op );
}

void _XDECREF( PyObject *op )
{
    Py_XDECREF( op );
}

#endif
}