CWE-ou-minkata/Sources/Plasma/FeatureLib/pfPython/cyPythonInterface.cpp

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
//////////////////////////////////////////////////////////////////////
//
// PythonInterface   - The Python interface to the Python dll
//
// NOTE: Eventually, this will be made into a separate dll, because there should
//       only be one instance of this interface. 
//
#include "cyPythonInterface.h"
#include "plPythonPack.h"

#include "compile.h"
#include "marshal.h"
#include "eval.h"

#include "pyEnum.h"

#include "pyKey.h"
#include "cyDraw.h"
#include "cyPhysics.h"
#include "pySceneObject.h"
#include "cyMisc.h"
#include "cyCamera.h"
#include "pyNotify.h"
#include "cyAvatar.h"
#include "pyGeometry3.h"
#include "pyMatrix44.h"
#include "pyColor.h"
#include "pyDynamicText.h"
#include "cyAnimation.h"
#include "pyPlayer.h"
#include "pyImage.h"
#include "pyDniCoordinates.h"
#include "cyInputInterface.h"
#include "pySDL.h"
#include "cyAccountManagement.h"

// GUIDialog and its controls
#include "pyGUIDialog.h"
#include "pyGUIControlButton.h"
#include "pyGUIControlDragBar.h"
#include "pyGUIControlCheckBox.h"
#include "pyGUIControlListBox.h"
#include "pyGUIControlEditBox.h"
#include "pyGUIControlMultiLineEdit.h"
#include "pyGUIControlRadioGroup.h"
#include "pyGUIControlTextBox.h"
#include "pyGUIControlValue.h"
#include "pyGUIControlDynamicText.h"
#include "pyGUIControlClickMap.h"
#include "pyGUIControlDraggable.h"
#include "pyGUIPopUpMenu.h"
#include "pyGUISkin.h"

#include "plPythonSDLModifier.h"

// For printing to the log
#include "plStatusLog/plStatusLog.h"
#include "plNetGameLib/plNetGameLib.h"

// vault
#include "pyVaultNode.h"
#include "pyVaultFolderNode.h"
#include "pyVaultPlayerInfoListNode.h"
#include "pyVaultImageNode.h"
#include "pyVaultTextNoteNode.h"
#include "pyVaultAgeLinkNode.h"
#include "pyVaultChronicleNode.h"
#include "pyVaultPlayerInfoNode.h"
#include "pyVaultAgeInfoNode.h"
#include "pyVaultAgeInfoListNode.h"
#include "pyVaultSDLNode.h"
#include "pyVaultNodeRef.h"
#include "pyVaultMarkerGameNode.h"
#include "pyVaultSystemNode.h"

// player vault
#include "pyVault.h"
// age vault
#include "pyAgeVault.h"

// net linking mgr
#include "pyNetLinkingMgr.h"
#include "pyAgeInfoStruct.h"
#include "pyAgeLinkStruct.h"

// dni info source
#include "pyDniInfoSource.h"

// audio setting stuff
#include "pyAudioControl.h"

//CCR stufff
#include "pyCCRMgr.h"

// spawn point def
#include "pySpawnPointInfo.h"

#include "pyMarkerMgr.h"
#include "pyStatusLog.h"

// Guess what this is for :P
#include "pyJournalBook.h"

#include "pyKeyMap.h"
#include "pyStream.h"

#include "pyMoviePlayer.h"
#include "pyDrawControl.h"

#include "pyWaveSet.h"
#include "pySwimCurrentInterface.h"

#include "pyCluster.h"
#include "pyGrassShader.h"

#include "pyScoreMgr.h"
#include "pyGameScore.h"

#include "pyCritterBrain.h"

// Game manager stuff
#include "Games/pyGameMgrMsg.h"
#include "Games/pyGameCliMsg.h"
#include "Games/pyGameCli.h"
#include "Games/TicTacToe/pyTTTMsg.h"
#include "Games/TicTacToe/pyTTTGame.h"
#include "Games/Heek/pyHeekMsg.h"
#include "Games/Heek/pyHeekGame.h"
#include "Games/Marker/pyMarkerMsg.h"
#include "Games/Marker/pyMarkerGame.h"
#include "Games/BlueSpiral/pyBlueSpiralMsg.h"
#include "Games/BlueSpiral/pyBlueSpiralGame.h"
#include "Games/ClimbingWall/pyClimbingWallMsg.h"
#include "Games/ClimbingWall/pyClimbingWallGame.h"
#include "Games/VarSync/pyVarSyncMsg.h"
#include "Games/VarSync/pyVarSyncGame.h"

Int32 PythonInterface::initialized = 0;                 // only need to initialize all of Python once
hsBool PythonInterface::FirstTimeInit = true;           // start with "this is the first time"
hsBool PythonInterface::IsInShutdown = false;           // whether we are _really_ in shutdown mode

PyMethodDef* PythonInterface::plasmaMethods = nil;      // the Plasma module's methods
PyObject* PythonInterface::plasmaMod = nil;             // pointer to the Plasma module
PyObject* PythonInterface::plasmaConstantsMod = nil;    // pointer to the PlasmaConstants module
PyObject* PythonInterface::plasmaNetConstantsMod = nil; // pointer to the PlasmaNetConstants module
PyObject* PythonInterface::plasmaVaultConstantsMod = nil; // pointer to the PlasmaVaultConstants module
PyMethodDef* PythonInterface::plasmaGameMethods = nil;  // the PlasmaGame module's methods
PyObject* PythonInterface::plasmaGameMod = nil;         // python object that holds the PlasmaGame module
PyObject* PythonInterface::plasmaGameConstantsMod = nil; // python object that holds the PlasmaGameConstants module
PyObject* PythonInterface::stdOut = nil;                // python object of the stdout file
PyObject* PythonInterface::stdErr = nil;                // python object of the err file

hsBool PythonInterface::debug_initialized = false;      // has the debug been initialized yet?
PyObject* PythonInterface::dbgMod = nil;                // display module for stdout and stderr
PyObject* PythonInterface::dbgOut = nil;
PyObject* PythonInterface::dbgSlice = nil;              // time slice function for the debug window
plStatusLog* PythonInterface::dbgLog = nil;             // output logfile

#if defined(HAVE_CYPYTHONIDE) && !defined(PLASMA_EXTERNAL_RELEASE)
bool PythonInterface::usePythonDebugger = false;
plCyDebServer PythonInterface::debugServer;
bool PythonInterface::requestedExit = false;
#endif

// stupid Windows.h  and who started including that!
#undef DrawText

#if defined(HAVE_CYPYTHONIDE) && !defined(PLASMA_EXTERNAL_RELEASE)
// Special includes for debugging
#include <frameobject.h>

/////////////////////////////////////////////////////////////////////////////
// Our debugger callback class
class DebuggerCallback: public plCyDebServer::IDebServerCallback
{
private:
    plCyDebServer& fServer;

    PyFrameObject* fFrame;
    PyObject* fExceptionInfo;

    std::string IParseCurrentException(); // returns the current exception as a string representation, and clears it

public:
    DebuggerCallback(plCyDebServer& server): fServer(server) {}

    virtual bool MsgReceive(const plCyDebMessage& msg);
    virtual std::string AdjustFilename(const std::string& filename);
    virtual bool CheckBreakpointCondition(const std::string& condition, std::string& error);

    virtual void InitializeBreak();
    virtual std::vector<std::string> GenerateCallstack();
    virtual std::vector<std::pair<std::string, std::string> > GenerateGlobalsList();
    virtual std::vector<std::pair<std::string, std::string> > GenerateLocalsList();
    virtual std::string EvaluateVariable(const std::string& varName);
    virtual void SetVariableValue(const std::string& varName, const std::string& newValue);

    void SetFrame(PyFrameObject* frame) {fFrame = frame;}
    void SetExceptionInfo(PyObject* exceptionInfo) {fExceptionInfo = exceptionInfo;}
};

std::string DebuggerCallback::IParseCurrentException()
{
    std::string error = "";

    if (PyErr_Occurred() == NULL)
        return error; // no error occurred

    PyObject* errType = NULL;
    PyObject* errVal = NULL;
    PyObject* errTraceback = NULL;
    PyErr_Fetch(&errType, &errVal, &errTraceback); // clears the error flag
    PyErr_NormalizeException(&errType, &errVal, &errTraceback);

    if (PyErr_GivenExceptionMatches(errType, PyExc_SyntaxError))
    {
        // we know how to parse out information from syntax errors
        PyObject* message;
        char* filename = NULL;
        int lineNumber = 0;
        int offset = 0;
        char* text = NULL;

        if (PyTuple_Check(errVal))
        {
            // nested tuple, parse out the error information
            PyArg_Parse(errVal, "(O(ziiz))", &message, &filename, &lineNumber, &offset, &text);
            error += PyString_AsString(message);
            if (text)
                error += text;
        }
        else
        {
            // probably just the error class, retrieve the message and text directly
            PyObject* v;
            if ((v = PyObject_GetAttrString(errVal, "msg")))
            {
                error += PyString_AsString(v);
                Py_DECREF(v);
            }
            if ((v == PyObject_GetAttrString(errVal, "text")))
            {
                if (v != Py_None)
                    error += PyString_AsString(v);
                Py_DECREF(v);
            }
        }
    }
    else if (PyClass_Check(errType))
    {
        // otherwise, just return the type of error that occurred
        PyClassObject* exc = (PyClassObject*)errType;
        PyObject* className = exc->cl_name;
        if (className)
            error += PyString_AsString(className);
    }
    else
        error = "Unknown Error";

    // cleanup
    Py_XDECREF(errType);
    Py_XDECREF(errVal);
    Py_XDECREF(errTraceback);

    return error;
}

bool DebuggerCallback::MsgReceive(const plCyDebMessage& msg)
{
    switch (msg.GetMsgType())
    {
    case plCyDebMessage::kMsgExit:
        PythonInterface::DebuggerRequestedExit(true);
        break;
    }
    return false; // let default handling take over
}

std::string DebuggerCallback::AdjustFilename(const std::string& filename)
{
    // python doesn't deal with paths, so we strip out all path information
    std::string retVal = filename;
    std::string::size_type slashPos = filename.rfind('\\');
    if (slashPos != std::string::npos)
        retVal = filename.substr(slashPos + 1);
    else // no back-slashes, look for forward ones
    {
        slashPos = filename.rfind('/');
        if (slashPos != std::string::npos)
            retVal = filename.substr(slashPos + 1);
    }
    return retVal;
}

bool DebuggerCallback::CheckBreakpointCondition(const std::string& condition, std::string& error)
{
    if (!fFrame)
        return true; // just break, we have no current frame?

    if (condition == "")
        return true; // empty condition, break (python doesn't like empty strings)

    // initialize locals, since InitializeBreak isn't called til we break
    PyFrame_FastToLocals(fFrame);

    // run the string in the current context
    PyObject* result = PyRun_String(const_cast<char*>(condition.c_str()), Py_eval_input, fFrame->f_globals, fFrame->f_locals);
    if (result)
    {
        // is the result true?
        int retVal = PyObject_IsTrue(result);
        Py_DECREF(result);

        return (retVal == 1);
    }

    // error occurred, translate it and return
    error = IParseCurrentException();
    return true;
}

void DebuggerCallback::InitializeBreak()
{
    // do a little initialization of our frame (ensuring we get all local data)
    PyFrame_FastToLocals(fFrame);
}

std::vector<std::string> DebuggerCallback::GenerateCallstack()
{
    std::vector<std::string> retVal;

    // we use the frame stored for us by the trace function
    PyFrameObject* curFrame = fFrame;
    while (curFrame)
    {
        std::string filename = PyString_AsString(curFrame->f_code->co_filename);
        int lineNumber = PyCode_Addr2Line(curFrame->f_code, curFrame->f_lasti); // python uses base-1 numbering, we use base-0, but for display we want base-1
        std::string functionName = PyString_AsString(curFrame->f_code->co_name);

        functionName += "(";
        if (curFrame->f_code->co_argcount)
        {
            // we have arguments!
            int argCount = __min(PyTuple_Size(curFrame->f_code->co_varnames), curFrame->f_code->co_argcount);

            for (int curArg = 0; curArg < argCount; ++curArg)
            {
                PyObject* argName = PyTuple_GetItem(curFrame->f_code->co_varnames, curArg);
                if (argName)
                {
                    std::string arg = PyString_AsString(argName);
                    if (arg == "self")
                        continue; // skip self, for readability

                    functionName += arg;

                    if (curFrame->f_locals)
                    {
                        // grab value, if our locals dictionary exists
                        PyObject* val = PyDict_GetItemString(curFrame->f_locals, arg.c_str());
                        if (val)
                        {
                            functionName += "=";
                            functionName += PyString_AsString(PyObject_Str(val));
                        }
                    }
                }

                if (curArg < argCount - 1)
                    functionName += ", ";
            }
        }
        functionName += ")";

        // add it to the callstack
        retVal.push_back(fServer.ConstructCallstackLine(filename, lineNumber, functionName));

        // and step back one frame
        curFrame = curFrame->f_back;
    }

    return retVal;
}

std::vector<std::pair<std::string, std::string> > DebuggerCallback::GenerateGlobalsList()
{
    std::vector<std::pair<std::string, std::string> > retVal;
    if (fFrame && fFrame->f_globals)
    {
        int pos = 0;
        PyObject* key;
        PyObject* value;
        while (PyDict_Next(fFrame->f_globals, &pos, &key, &value))
        {
            // leave modules out of the globals display
            if (key && value && !PyModule_Check(value))
            {
                // leave out glue functions
                if (PyObject_Compare((PyObject*)&PyCFunction_Type, PyObject_Type(value)) == 0)
                    continue;

                std::string keyStr = PyString_AsString(PyObject_Str(key));
                if (keyStr == "__builtins__")
                    continue; // skip builtins

                bool addQuotes = (PyString_Check(value) || PyUnicode_Check(value));

                std::string valueStr = "";
                if (addQuotes)
                    valueStr += "\"";
                valueStr += PyString_AsString(PyObject_Str(value));
                if (addQuotes)
                    valueStr += "\"";

                // add it to the list of pairs
                retVal.push_back(std::pair<std::string, std::string>(keyStr, valueStr));
            }
        }
    }
    return retVal;
}

std::vector<std::pair<std::string, std::string> > DebuggerCallback::GenerateLocalsList()
{
    std::vector<std::pair<std::string, std::string> > retVal;
    if (fFrame && fFrame->f_locals)
    {
        int pos = 0;
        PyObject* key;
        PyObject* value;
        while (PyDict_Next(fFrame->f_locals, &pos, &key, &value))
        {
            // leave modules and instances out of the globals display
            if (key && value && !PyModule_Check(value) && !PyInstance_Check(value))
            {
                // leave out functions, classes, and types
                if (PyObject_Compare((PyObject*)&PyFunction_Type, PyObject_Type(value)) == 0)
                    continue;
                if (PyObject_Compare((PyObject*)&PyClass_Type, PyObject_Type(value)) == 0)
                    continue;
                if (PyObject_Compare((PyObject*)&PyType_Type, PyObject_Type(value)) == 0)
                    continue;

                std::string keyStr = PyString_AsString(PyObject_Str(key));
                if (keyStr == "__builtins__")
                    continue; // skip builtins

                bool addQuotes = (PyString_Check(value) || PyUnicode_Check(value));

                std::string valueStr = "";
                if (addQuotes)
                    valueStr += "\"";
                valueStr += PyString_AsString(PyObject_Str(value));
                if (addQuotes)
                    valueStr += "\"";

                // add it to the list of pairs
                retVal.push_back(std::pair<std::string, std::string>(keyStr, valueStr));
            }
        }
    }
    return retVal;
}

std::string DebuggerCallback::EvaluateVariable(const std::string& varName)
{
    if (fFrame)
    {
        PyObject* evalResult = PyRun_String(const_cast<char*>(varName.c_str()), Py_eval_input, fFrame->f_globals, fFrame->f_locals);
        std::string retVal = "";
        if (evalResult)
        {
            // convert the result to something readable
            PyObject* reprObj = PyObject_Repr(evalResult);
            if (reprObj)
                retVal = PyString_AsString(reprObj);
            else
                retVal = "<REPR FAIL>";
            Py_XDECREF(reprObj);
        }
        else
            retVal = IParseCurrentException();
        Py_XDECREF(evalResult);
        return retVal;
    }
    else
        return "<NO FRAME>";
}

void DebuggerCallback::SetVariableValue(const std::string& varName, const std::string& newValue)
{
    std::string expression = varName + "=" + newValue;
    if (fFrame)
    {
        PyObject* evalResult = PyRun_String(const_cast<char*>(expression.c_str()), Py_single_input, fFrame->f_globals, fFrame->f_locals);
        if (evalResult)
            PyFrame_LocalsToFast(fFrame, 0); // convert the locals that changed (if any) back to "fast" locals
        else
            PyErr_Print();
        Py_XDECREF(evalResult);
    }
}

DebuggerCallback debServerCallback(*PythonInterface::PythonDebugger());

// python trace function, handles most of the work required for debugging
static int PythonTraceCallback(PyObject*, PyFrameObject* frame, int what, PyObject* arg)
{
    // obj (first parameter) is always NULL for is (it's the parameter passed by the set trace function)

    // update the callback class' stored values
    debServerCallback.SetFrame(frame);
    debServerCallback.SetExceptionInfo(NULL);

    // translate the python what value to the debugger what value
    plCyDebServer::TraceWhat debuggerWhat;
    switch (what)
    {
    case PyTrace_LINE:
        debuggerWhat = plCyDebServer::kTraceLine;
        break;

    case PyTrace_CALL:
        debuggerWhat = plCyDebServer::kTraceCall;
        break;

    case PyTrace_RETURN:
        debuggerWhat = plCyDebServer::kTraceReturn;
        break;

    case PyTrace_EXCEPTION:
        debuggerWhat = plCyDebServer::kTraceException;
        debServerCallback.SetExceptionInfo(arg); // save off the exception information
        break;

    default:
        assert(!"Invalid what for python trace function");
        return 0; // pretty much ignore if they pass us a bad value
    }

    std::string filename = PyString_AsString(frame->f_code->co_filename);
    int line = PyCode_Addr2Line(frame->f_code, frame->f_lasti) - 1; // python uses base-1 numbering, we use base-0

    // now handle the trace call
    PythonInterface::PythonDebugger()->Trace(debuggerWhat, filename, line, frame->f_tstate->recursion_depth);

    return 0;
}
#endif // PLASMA_EXTERNAL_RELEASE

/////////////////////////////////////////////////////////////////////////////
// A small class that is bound to python so we can redirect stdout

class pyOutputRedirector
{
private:
    std::string fData;
    static bool fTypeCreated;

protected:
    pyOutputRedirector() {}

public:
    // required functions for PyObject interoperability
    PYTHON_CLASS_NEW_FRIEND(ptOutputRedirector);
    PYTHON_CLASS_NEW_DEFINITION;
    PYTHON_CLASS_CHECK_DEFINITION; // returns true if the PyObject is a pyOutputRedirector object
    PYTHON_CLASS_CONVERT_FROM_DEFINITION(pyOutputRedirector); // converts a PyObject to a pyOutputRedirector (throws error if not correct type)

    void Write(std::string data) {fData += data;}
    void Write(std::wstring data)
    {
        char* strData = hsWStringToString(data.c_str());
        Write(strData);
        delete [] strData;
    }

    // accessor functions for the PyObject*

    // returns the current data stored
    static std::string GetData(PyObject *redirector)
    {
        if (!pyOutputRedirector::Check(redirector))
            return ""; // it's not a redirector object
        pyOutputRedirector *obj = pyOutputRedirector::ConvertFrom(redirector);
        return obj->fData;
    }

    // clears the internal buffer out
    static void ClearData(PyObject *redirector)
    {
        if (!pyOutputRedirector::Check(redirector))
            return; // it's not a redirector object
        pyOutputRedirector *obj = pyOutputRedirector::ConvertFrom(redirector);
        obj->fData = "";
    }
};

bool pyOutputRedirector::fTypeCreated = false;

// Now for the glue for the redirector
PYTHON_CLASS_DEFINITION(ptOutputRedirector, pyOutputRedirector);

PYTHON_DEFAULT_NEW_DEFINITION(ptOutputRedirector, pyOutputRedirector)
PYTHON_DEFAULT_DEALLOC_DEFINITION(ptOutputRedirector)

PYTHON_INIT_DEFINITION(ptOutputRedirector, args, keywords)
{
    PYTHON_RETURN_INIT_OK;
}

PYTHON_METHOD_DEFINITION(ptOutputRedirector, write, args)
{
    PyObject* textObj;
    if (!PyArg_ParseTuple(args, "O", &textObj))
    {
        PyErr_SetString(PyExc_TypeError, "write expects a string or unicode string");
        PYTHON_RETURN_ERROR;
    }
    if (PyUnicode_Check(textObj))
    {
        int strLen = PyUnicode_GetSize(textObj);
        wchar_t* text = TRACKED_NEW wchar_t[strLen + 1];
        PyUnicode_AsWideChar((PyUnicodeObject*)textObj, text, strLen);
        text[strLen] = L'\0';
        self->fThis->Write(text);
        delete [] text;
        PYTHON_RETURN_NONE;
    }
    else if (PyString_Check(textObj))
    {
        char* text = PyString_AsString(textObj);
        self->fThis->Write(text);
        PYTHON_RETURN_NONE;
    }
    PyErr_SetString(PyExc_TypeError, "write expects a string or unicode string");
    PYTHON_RETURN_ERROR;
}

PYTHON_START_METHODS_TABLE(ptOutputRedirector)
    PYTHON_METHOD(ptOutputRedirector, write, "Adds text to the output object"),
PYTHON_END_METHODS_TABLE;

// Type structure definition
PLASMA_DEFAULT_TYPE(ptOutputRedirector, "A class that is used to redirect stdout and stderr");

// required functions for PyObject interoperability
PyObject *pyOutputRedirector::New()
{
    if (!fTypeCreated)
    {
        if (PyType_Ready(&ptOutputRedirector_type) < 0)
            return NULL;
        fTypeCreated = true;
    }
    ptOutputRedirector *newObj = (ptOutputRedirector*)ptOutputRedirector_type.tp_new(&ptOutputRedirector_type, NULL, NULL);
    return (PyObject*)newObj;
}

PYTHON_CLASS_CHECK_IMPL(ptOutputRedirector, pyOutputRedirector)
PYTHON_CLASS_CONVERT_FROM_IMPL(ptOutputRedirector, pyOutputRedirector)


/////////////////////////////////////////////////////////////////////////////
// A small class that is bound to python so we can redirect stderr

class pyErrorRedirector
{
private:
    static bool fTypeCreated;

    std::string fData;
    bool        fLog;

protected:
    pyErrorRedirector() : fLog(true) {}

public:
    // required functions for PyObject interoperability
    PYTHON_CLASS_NEW_FRIEND(ptErrorRedirector);
    PYTHON_CLASS_NEW_DEFINITION;
    PYTHON_CLASS_CHECK_DEFINITION; // returns true if the PyObject is a pyOutputRedirector object
    PYTHON_CLASS_CONVERT_FROM_DEFINITION(pyErrorRedirector); // converts a PyObject to a pyOutputRedirector (throws error if not correct type)

    void SetLogging(bool log)
    {
        fLog = log;
    }

    void Write(std::string data)
    {
        PyObject* stdOut = PythonInterface::GetStdOut();

        if (stdOut && pyOutputRedirector::Check(stdOut))
        {
            pyOutputRedirector *obj = pyOutputRedirector::ConvertFrom(stdOut);
            obj->Write(data);
        }

        if (fLog)
            fData += data;
    }

    void Write(std::wstring data)
    {
        char* strData = hsWStringToString(data.c_str());
        Write(strData);
        delete [] strData;
    }

    void ExceptHook(PyObject* except, PyObject* val, PyObject* tb)
    {
        PyErr_Display(except, val, tb);

        // Send to the log server
        wchar* wdata = hsStringToWString(fData.c_str());
        NetCliAuthLogPythonTraceback(wdata);
        delete [] wdata;

        if (fLog)
            fData.clear();
    }
};

bool pyErrorRedirector::fTypeCreated = false;

// Now for the glue for the redirector
PYTHON_CLASS_DEFINITION(ptErrorRedirector, pyErrorRedirector);

PYTHON_DEFAULT_NEW_DEFINITION(ptErrorRedirector, pyErrorRedirector)
PYTHON_DEFAULT_DEALLOC_DEFINITION(ptErrorRedirector)

PYTHON_INIT_DEFINITION(ptErrorRedirector, args, keywords)
{
    PYTHON_RETURN_INIT_OK;
}

PYTHON_METHOD_DEFINITION(ptErrorRedirector, write, args)
{
    PyObject* textObj;
    if (!PyArg_ParseTuple(args, "O", &textObj))
    {
        PyErr_SetString(PyExc_TypeError, "write expects a string or unicode string");
        PYTHON_RETURN_ERROR;
    }
    if (PyUnicode_Check(textObj))
    {
        int strLen = PyUnicode_GetSize(textObj);
        wchar_t* text = TRACKED_NEW wchar_t[strLen + 1];
        PyUnicode_AsWideChar((PyUnicodeObject*)textObj, text, strLen);
        text[strLen] = L'\0';
        self->fThis->Write(text);
        delete [] text;
        PYTHON_RETURN_NONE;
    }
    else if (PyString_Check(textObj))
    {
        char* text = PyString_AsString(textObj);
        self->fThis->Write(text);
        PYTHON_RETURN_NONE;
    }
    PyErr_SetString(PyExc_TypeError, "write expects a string or unicode string");
    PYTHON_RETURN_ERROR;
}

PYTHON_METHOD_DEFINITION(ptErrorRedirector, excepthook, args)
{
    PyObject *exc, *value, *tb;
    if (!PyArg_ParseTuple(args, "OOO", &exc, &value, &tb))
        PYTHON_RETURN_ERROR;

    self->fThis->ExceptHook(exc, value, tb);

    PYTHON_RETURN_NONE;
}

PYTHON_START_METHODS_TABLE(ptErrorRedirector)
    PYTHON_METHOD(ptErrorRedirector, write, "Adds text to the output object"),
    PYTHON_METHOD(ptErrorRedirector, excepthook, "Handles exceptions"),
PYTHON_END_METHODS_TABLE;

// Type structure definition
PLASMA_DEFAULT_TYPE(ptErrorRedirector, "A class that is used to redirect stdout and stderr");

// required functions for PyObject interoperability
PyObject *pyErrorRedirector::New()
{
    if (!fTypeCreated)
    {
        if (PyType_Ready(&ptErrorRedirector_type) < 0)
            return NULL;
        fTypeCreated = true;
    }
    ptErrorRedirector *newObj = (ptErrorRedirector*)ptErrorRedirector_type.tp_new(&ptErrorRedirector_type, NULL, NULL);
    return (PyObject*)newObj;
}

PYTHON_CLASS_CHECK_IMPL(ptErrorRedirector, pyErrorRedirector)
PYTHON_CLASS_CONVERT_FROM_IMPL(ptErrorRedirector, pyErrorRedirector)

/////////////////////////////////////////////////////////////////////////////
// PEP 302 Import Hook
/////////////////////////////////////////////////////////////////////////////
#ifndef BUILDING_PYPLASMA
struct ptImportHook
{
    PyObject_HEAD
};

// First three functions are just so I can be lazy
// and use the already existing macros to do my dirty
// work. I'm seriously lazy.

static PyObject* ptImportHook_new(PyTypeObject* type, PyObject* args, PyObject*)
{
    ptImportHook* self = (ptImportHook*)type->tp_alloc(type, 0);
    return (PyObject*)self;
}

PYTHON_NO_INIT_DEFINITION(ptImportHook)

static void ptImportHook_dealloc(ptImportHook *self)
{
    self->ob_type->tp_free((PyObject*)self);
}

PYTHON_METHOD_DEFINITION(ptImportHook, find_module, args)
{
    char* module_name;
    PyObject* module_path;

    if (!PyArg_ParseTuple(args, "s|O", &module_name, &module_path))
    {
        PyErr_SetString(PyExc_TypeError, "find_module expects string, string");
        PYTHON_RETURN_ERROR;
    }

    // If this is set, we can't do it.
    if (PyString_Check(module_path))
        PYTHON_RETURN_NONE;

    std::string package_module_name = module_name;
    package_module_name += ".__init__";
    if (PythonPack::IsItPythonPacked(module_name))
    {
        Py_INCREF(self);
        return (PyObject*)self;
    } else if (PythonPack::IsItPythonPacked(package_module_name.c_str()))
    {
        Py_INCREF(self);
        return (PyObject*)self;
    }
    else
        PYTHON_RETURN_NONE;
}

PyObject *ptImportHook_load_module_detail(ptImportHook *self, char* module_name, char* packed_name, bool isPackage, bool& found)
{
    // We want to check sys.modules for the module first
    // If it's not in there, we have to load the module
    // and add it to the sys.modules dict for future reference,
    // otherwise reload() will not work properly.
    PyObject* result = nil;
    PyObject* modules = PyImport_GetModuleDict();
    hsAssert(PyDict_Check(modules), "sys.modules is not a dict");

    if (result = PyDict_GetItemString(modules, module_name))
    {
        if (!PyModule_Check(result))
        {
            hsAssert(false, "PEP 302 hook found module in sys.modules, but it isn't a module! O.o");
            result = nil;
            PyErr_SetString(PyExc_TypeError, "module in sys.modules isn't a module");
        }
    }
    else
    {
        if (PyObject* pyc = PythonPack::OpenPythonPacked(packed_name))
        {
            result = PyImport_AddModule(module_name);
            if(!result)
                return nil;
            PyObject* d = PyModule_GetDict(result);
            PyDict_SetItemString(d, "__builtins__", PyEval_GetBuiltins());
            PyObject *file = PyString_FromString(packed_name);
            PyModule_AddObject(result, "__file__", file);
            PyDict_SetItemString(d, "__loader__", (PyObject*)self);
            if(isPackage) {
                PyObject *path = PyString_FromString(module_name);
                PyObject *l = PyList_New(1);
                PyList_SetItem(l, 0, path);
                PyDict_SetItemString(d, "__path__", l);
                Py_DECREF(l);
            }
            PyObject* v = PyEval_EvalCode((PyCodeObject *)pyc, d, d);
            if(!v) 
            {
                PyDict_DelItemString(modules, module_name);
                return nil;
            }
            Py_INCREF(result);
        }
        else {
            found = false;
            PyErr_SetString(PyExc_ImportError, "module not found in python.pak");
        }
    }

    return result;
}

PYTHON_METHOD_DEFINITION(ptImportHook, load_module, args)
{
    char* module_name;
    if (!PyArg_ParseTuple(args, "s", &module_name))
    {
        PyErr_SetString(PyExc_TypeError, "load_module expects string");
        PYTHON_RETURN_ERROR;
    }
    bool found = true;
    PyObject *result = ptImportHook_load_module_detail(self, module_name, module_name, false, found);
    if (!found)
    {
        PyErr_Clear();
        std::string package_module_name = module_name;
        package_module_name += ".__init__";
        result = ptImportHook_load_module_detail(self, module_name, (char*)package_module_name.c_str(), true, found);
    }
    return result;
}

PYTHON_START_METHODS_TABLE(ptImportHook)
    PYTHON_METHOD(ptImportHook, find_module, "Params: module_name,package_path\nChecks to see if a given module exists (NOTE: package_path is not used!)"),
    PYTHON_METHOD(ptImportHook, load_module, "Params: module_name \\nReturns the module given by module_name, if it exists in python.pak"),
PYTHON_END_METHODS_TABLE;

PYTHON_TYPE_START(ptImportHook)
    0,
    "Plasma.ptImportHook",
    sizeof(ptImportHook),                       /* tp_basicsize */
    0,                                          /* tp_itemsize */
    (destructor)ptImportHook_dealloc,           /* tp_dealloc */
    0,                                          /* tp_print */
    0,                                          /* tp_getattr */
    0,                                          /* tp_setattr */
    0,                                          /* tp_compare */
    0,                                          /* tp_repr */
    0,                                          /* tp_as_number */
    0,                                          /* tp_as_sequence */
    0,                                          /* tp_as_mapping */
    0,                                          /* tp_hash */
    0,                                          /* tp_call */
    0,                                          /* tp_str */
    0,                                          /* tp_getattro */
    0,                                          /* tp_setattro */
    0,                                          /* tp_as_buffer */
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,   /* tp_flags */
    "PEP 302 Import Hook",                      /* tp_doc */
    0,                                          /* tp_traverse */
    0,                                          /* tp_clear */
    0,                                          /* tp_richcompare */
    0,                                          /* tp_weaklistoffset */
    0,                                          /* tp_iter */
    0,                                          /* tp_iternext */
    PYTHON_DEFAULT_METHODS_TABLE(ptImportHook), /* tp_methods */
    0,                                          /* tp_members */
    0,                                          /* tp_getset */
    0,                                          /* tp_base */
    0,                                          /* tp_dict */
    0,                                          /* tp_descr_get */
    0,                                          /* tp_descr_set */
    0,                                          /* tp_dictoffset */
    PYTHON_DEFAULT_INIT(ptImportHook),          /* tp_init */
    0,                                          /* tp_alloc */
    ptImportHook_new                            /* tp_new */
PYTHON_TYPE_END;

void ptImportHook_AddPlasmaClasses(PyObject* m)
{
    PYTHON_CLASS_IMPORT_START(m);
    PYTHON_CLASS_IMPORT(m, ptImportHook);
    PYTHON_CLASS_IMPORT_END(m);
}
#endif // BUILDING_PYPLASMA

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : initPython
//  PARAMETERS : none
//
//  PURPOSE    : Initialize the Python dll
//
void PythonInterface::initPython()
{
    // if haven't been initialized then do it
    if ( FirstTimeInit && Py_IsInitialized() == 0 )
    {
        FirstTimeInit = false;
        // initialize the Python stuff
        // let Python do some initialization...
        Py_SetProgramName("plasma");
        Py_NoSiteFlag = 1;
        Py_IgnoreEnvironmentFlag = 1;
        Py_Initialize();

#if defined(HAVE_CYPYTHONIDE) && !defined(PLASMA_EXTERNAL_RELEASE)
        if (usePythonDebugger)
        {
            debugServer.SetCallbackClass(&debServerCallback);
            debugServer.Init();
            PyEval_SetTrace((Py_tracefunc)PythonTraceCallback, NULL);
        }
#endif

        if (!dbgLog)
        {
            dbgLog = plStatusLogMgr::GetInstance().CreateStatusLog( 30, "Python.log", 
                plStatusLog::kFilledBackground | plStatusLog::kAlignToTop | plStatusLog::kTimestamp );
        }

        // create the output redirector for the stdout and stderr file
        stdOut = pyOutputRedirector::New();
        stdErr = pyErrorRedirector::New();

        // if we need the builtins then find the builtin module
        PyObject* sysmod = PyImport_ImportModule("sys");
        // then add the builtin dictionary to our module's dictionary
        // get the sys's dictionary to find the stdout and stderr
        PyObject* sys_dict = PyModule_GetDict(sysmod);
        Py_INCREF(sys_dict);
        if (stdOut != nil)
        {
            if (PyDict_SetItemString(sys_dict,"stdout", stdOut))
                dbgLog->AddLine("Could not redirect stdout, Python output may not appear in the log\n");
        }
        else
            dbgLog->AddLine("Could not create python redirector, Python output will not appear in the log\n");
        
        if (stdErr != nil)
        {
            if (!PyDict_SetItemString(sys_dict,"stderr", stdErr))
            {
                bool dontLog = false;

                // Find the excepthook
                PyObject* stdErrExceptHook = PyObject_GetAttrString(stdErr, "excepthook");
                if (stdErrExceptHook)
                {
                    if (!PyCallable_Check(stdErrExceptHook) || PyDict_SetItemString(sys_dict,"excepthook", stdErrExceptHook))
                    {
                        dbgLog->AddLine("Could not redirect excepthook, Python error output will not get to the log server\n");
                        dontLog = true;
                    }
                    Py_DECREF(stdErrExceptHook);
                }
                else
                {
                    dbgLog->AddLine("Could not find stdErr excepthook, Python error output will not get to the log server\n");
                    dontLog = true;
                }

                if (dontLog)
                {
                    if (pyErrorRedirector::Check(stdErr))
                    {
                        pyErrorRedirector* redir = pyErrorRedirector::ConvertFrom(stdErr);
                        redir->SetLogging(false);
                    }
                }
            }
            else
            {
                dbgLog->AddLine("Could not redirect stderr, Python error output may not appear in the log or on the log server\n");
            }
        }
        else
        {
            dbgLog->AddLine("Could not create python redirector, Python error output will not appear in the log\n");
        }

        // NOTE: we will reset the path to not include paths
        // that Python may have found in the registry
        PyObject* path_list = PyList_New(3);
        if (PyList_SetItem(path_list, 0, PyString_FromString(".\\python")))
        {
            Py_DECREF(sys_dict);
            Py_DECREF(path_list);
            dbgLog->AddLine("Error while creating python path:\n");
            getOutputAndReset();
            return;
        }
        // make sure that our plasma libraries are gotten before the system ones
        if (PyList_SetItem(path_list, 1, PyString_FromString(".\\python\\plasma")))
        {
            Py_DECREF(sys_dict);
            Py_DECREF(path_list);
            dbgLog->AddLine("Error while creating python path:\n");
            getOutputAndReset();
            return;
        }
        if (PyList_SetItem(path_list, 2, PyString_FromString(".\\python\\system")))
        {
            Py_DECREF(sys_dict);
            Py_DECREF(path_list);
            dbgLog->AddLine("Error while creating python path:\n");
            getOutputAndReset();
            return;
        }

        // set the path to be this one
        if (PyDict_SetItemString(sys_dict,"path",path_list))
        {
            Py_DECREF(sys_dict);
            Py_DECREF(path_list);
            dbgLog->AddLine("Error while setting python path:\n");
            getOutputAndReset();
            return;
        }

        Py_DECREF(path_list);

        std::vector<PyMethodDef> methods; // this is temporary, for easy addition of new methods
        AddPlasmaMethods(methods);

        // now copy the data to our real method definition structure
        plasmaMethods = TRACKED_NEW PyMethodDef[methods.size() + 1];
        for (int curMethod = 0; curMethod < methods.size(); curMethod++)
            plasmaMethods[curMethod] = methods[curMethod];
        PyMethodDef terminator = {NULL};
        plasmaMethods[methods.size()] = terminator; // add the terminator

        // now set up the module with the method data
        plasmaMod = Py_InitModule("Plasma", plasmaMethods);
        if (plasmaMod == NULL)
        {
            dbgLog->AddLine("Could not setup the Plasma module\n");
            return;
        }
        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while setting up Plasma:\n");
            getOutputAndReset();
        }
        Py_INCREF(plasmaMod); // make sure python doesn't get rid of it

        AddPlasmaClasses(); // now add the classes to the module
        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while adding classes to Plasma:\n");
            std::string error;
            getOutputAndReset(&error);
        }

 #ifndef BUILDING_PYPLASMA
        // Begin PEP 302 Import Hook stuff
        // We need to create a ptImportHook object
        ptImportHook* hook = PyObject_New(ptImportHook, &ptImportHook_type);
        PyObject* metapath = PyDict_GetItemString(sys_dict, "meta_path");
        Py_INCREF(metapath);

        // Since PEP 302 is insane, let's be sure things are the way
        // that we expect them to be. Silent failures != cool.
        hsAssert(metapath != nil, "PEP 302: sys.__dict__['meta_path'] missing!");
        hsAssert(PyList_Check(metapath), "PEP 302: sys.__dict__['meta_path'] is not a list!");

        // Now that we have meta_path, add our hook to the list
        PyList_Append(metapath, (PyObject*)hook);
        Py_DECREF(metapath);
        // And we're done!
#endif // BUILDING_PYPLASMA

        Py_DECREF(sys_dict);

        // initialize the PlasmaConstants module
        PyMethodDef noMethods = {NULL};
        plasmaConstantsMod = Py_InitModule("PlasmaConstants", &noMethods); // it has no methods, just values
        if (plasmaConstantsMod == NULL)
        {
            dbgLog->AddLine("Could not setup the PlasmaConstants module\n");
            return;
        }
        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while setting up PlasmaConstants:\n");
            std::string error;
            getOutputAndReset(&error);
        }
        Py_INCREF(plasmaConstantsMod);

        AddPlasmaConstantsClasses();

        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while adding classes to PlasmaConstants:\n");
            std::string error;
            getOutputAndReset(&error);
        }

        // initialize the PlasmaNetConstants module
        plasmaNetConstantsMod = Py_InitModule("PlasmaNetConstants", &noMethods); // it has no methods, just values
        if (plasmaNetConstantsMod == NULL)
        {
            dbgLog->AddLine("Could not setup the PlasmaNetConstants module\n");
            return;
        }
        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while setting up PlasmaNetConstants:\n");
            std::string error;
            getOutputAndReset(&error);
        }
        Py_INCREF(plasmaNetConstantsMod);

        AddPlasmaNetConstantsClasses();

        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while adding classes to PlasmaNetConstants:\n");
            std::string error;
            getOutputAndReset(&error);
        }

        // initialize the PlasmaVaultConstants module
        plasmaVaultConstantsMod = Py_InitModule("PlasmaVaultConstants", &noMethods); // it has no methods, just values
        if (plasmaVaultConstantsMod == NULL)
        {
            dbgLog->AddLine("Could not setup the PlasmaVaultConstants module\n");
            return;
        }
        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while setting up PlasmaVaultConstants:\n");
            std::string error;
            getOutputAndReset(&error);
        }
        Py_INCREF(plasmaVaultConstantsMod);

        AddPlasmaVaultConstantsClasses();

        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while adding classes to PlasmaVaultConstants:\n");
            std::string error;
            getOutputAndReset(&error);
        }

        // setup the global methods for the PlasmaGame module
        methods.clear();
        AddPlasmaGameMethods(methods);

        // now copy the data to our real method definition structure
        plasmaGameMethods = TRACKED_NEW PyMethodDef[methods.size() + 1];
        for (int curMethod = 0; curMethod < methods.size(); curMethod++)
            plasmaGameMethods[curMethod] = methods[curMethod];
        plasmaGameMethods[methods.size()] = terminator; // add the terminator

        // initialize the PlasmaGame module
        plasmaGameMod = Py_InitModule("PlasmaGame", plasmaGameMethods);
        if (plasmaGameMod == NULL)
        {
            dbgLog->AddLine("Could not setup the PlasmaGame module\n");
            return;
        }
        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while setting up PlasmaGame:\n");
            std::string error;
            getOutputAndReset(&error);
        }
        Py_INCREF(plasmaGameMod);

        AddPlasmaGameClasses();

        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while adding classes to PlasmaGame:\n");
            std::string error;
            getOutputAndReset(&error);
        }

        // initialize the PlasmaGameConstants module
        plasmaGameConstantsMod = Py_InitModule("PlasmaGameConstants", &noMethods); // it has no methods, just values
        if (plasmaGameConstantsMod == NULL)
        {
            dbgLog->AddLine("Could not setup the PlasmaGameConstants module\n");
            return;
        }
        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while setting up PlasmaGameConstants:\n");
            std::string error;
            getOutputAndReset(&error);
        }
        Py_INCREF(plasmaGameConstantsMod);

        AddPlasmaGameConstantsClasses();

        if (PyErr_Occurred())
        {
            dbgLog->AddLine("Python error while adding classes to PlasmaGameConstants:\n");
            std::string error;
            getOutputAndReset(&error);
        }
    }
    initialized++;
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : initDebugInterface
//  PARAMETERS : none
//
//  PURPOSE    : Initialize the Python to Plasma 
//
void PythonInterface::initDebugInterface()
{
    if ( !debug_initialized )
    {
        // bring up the debug window
        dbgMod = PyImport_ImportModule("cydebug");
        // was there a debug module?
        if ( dbgMod != nil )
        {
            PyObject *dict;
            // get the dictionary for this module
            dict = PyModule_GetDict(dbgMod);
            dbgOut = PyDict_GetItemString(dict, "writeout");
            dbgSlice = PyDict_GetItemString(dict, "timeslice");
        }
    }
    debug_initialized = true;
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : AddPlasmaMethods
//  PARAMETERS : none
//
//  PURPOSE    : Add global methods to the Plasma module
//
void PythonInterface::AddPlasmaMethods(std::vector<PyMethodDef> &methods)
{
    cyMisc::AddPlasmaMethods(methods);
    cyAvatar::AddPlasmaMethods(methods);
    cyAccountManagement::AddPlasmaMethods(methods);

    pyDrawControl::AddPlasmaMethods(methods);
    pyGUIDialog::AddPlasmaMethods(methods);
    pyImage::AddPlasmaMethods(methods);
    pyJournalBook::AddPlasmaMethods(methods);
    pySDLModifier::AddPlasmaMethods(methods);
    pySpawnPointInfo::AddPlasmaMethods(methods);
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : AddPlasmaClasses
//  PARAMETERS : none
//
//  PURPOSE    : Add classes to the Plasma module
//
void PythonInterface::AddPlasmaClasses()
{
    pyKey::AddPlasmaClasses(plasmaMod);
    pySceneObject::AddPlasmaClasses(plasmaMod);

    pyAgeInfoStruct::AddPlasmaClasses(plasmaMod);
    pyAgeInfoStructRef::AddPlasmaClasses(plasmaMod);
    pyAgeLinkStruct::AddPlasmaClasses(plasmaMod);
    pyAgeLinkStructRef::AddPlasmaClasses(plasmaMod);
    pySpawnPointInfo::AddPlasmaClasses(plasmaMod);
    pySpawnPointInfoRef::AddPlasmaClasses(plasmaMod);

    pyColor::AddPlasmaClasses(plasmaMod);
    pyMatrix44::AddPlasmaClasses(plasmaMod);
    pyPoint3::AddPlasmaClasses(plasmaMod);
    pyVector3::AddPlasmaClasses(plasmaMod);

    cyAnimation::AddPlasmaClasses(plasmaMod);
    cyAvatar::AddPlasmaClasses(plasmaMod);
    cyCamera::AddPlasmaClasses(plasmaMod);
    cyDraw::AddPlasmaClasses(plasmaMod);
    cyInputInterface::AddPlasmaClasses(plasmaMod);
    cyParticleSys::AddPlasmaClasses(plasmaMod);
    cyPhysics::AddPlasmaClasses(plasmaMod);

    pyAudioControl::AddPlasmaClasses(plasmaMod);
    pyCluster::AddPlasmaClasses(plasmaMod);
    pyDniCoordinates::AddPlasmaClasses(plasmaMod);
    pyDniInfoSource::AddPlasmaClasses(plasmaMod);
    pyDynamicText::AddPlasmaClasses(plasmaMod);
    pyImage::AddPlasmaClasses(plasmaMod);
    pyJournalBook::AddPlasmaClasses(plasmaMod);
    pyKeyMap::AddPlasmaClasses(plasmaMod);
    pyMarkerMgr::AddPlasmaClasses(plasmaMod);
    pyMoviePlayer::AddPlasmaClasses(plasmaMod);
    pyNetLinkingMgr::AddPlasmaClasses(plasmaMod);
    pyNotify::AddPlasmaClasses(plasmaMod);
    pyPlayer::AddPlasmaClasses(plasmaMod);
    pyStatusLog::AddPlasmaClasses(plasmaMod);
    pyStream::AddPlasmaClasses(plasmaMod);
    pySwimCurrentInterface::AddPlasmaClasses(plasmaMod);
    pyWaveSet::AddPlasmaClasses(plasmaMod);

    // SDL
    pySDLModifier::AddPlasmaClasses(plasmaMod);
    pySDLStateDataRecord::AddPlasmaClasses(plasmaMod);
    pySimpleStateVariable::AddPlasmaClasses(plasmaMod);

    // GUI objects
    pyGUIDialog::AddPlasmaClasses(plasmaMod);
    pyGUISkin::AddPlasmaClasses(plasmaMod);
    pyGUIPopUpMenu::AddPlasmaClasses(plasmaMod);
    // GUI base classes
    pyGUIControl::AddPlasmaClasses(plasmaMod);
    pyGUIControlValue::AddPlasmaClasses(plasmaMod);
    // GUI derived classes
    pyGUIControlButton::AddPlasmaClasses(plasmaMod);
    pyGUIControlCheckBox::AddPlasmaClasses(plasmaMod);
    pyGUIControlClickMap::AddPlasmaClasses(plasmaMod);
    pyGUIControlDragBar::AddPlasmaClasses(plasmaMod);
    pyGUIControlDraggable::AddPlasmaClasses(plasmaMod);
    pyGUIControlDynamicText::AddPlasmaClasses(plasmaMod);
    pyGUIControlEditBox::AddPlasmaClasses(plasmaMod);
    pyGUIControlKnob::AddPlasmaClasses(plasmaMod);
    pyGUIControlListBox::AddPlasmaClasses(plasmaMod);
    pyGUIControlMultiLineEdit::AddPlasmaClasses(plasmaMod);
    pyGUIControlProgress::AddPlasmaClasses(plasmaMod);
    pyGUIControlRadioGroup::AddPlasmaClasses(plasmaMod);
    pyGUIControlTextBox::AddPlasmaClasses(plasmaMod);
    pyGUIControlUpDownPair::AddPlasmaClasses(plasmaMod);

    // Vault objects
    pyAgeVault::AddPlasmaClasses(plasmaMod);
    pyVault::AddPlasmaClasses(plasmaMod);
    // Vault node base classes
    pyVaultNode::AddPlasmaClasses(plasmaMod);
    pyVaultNodeRef::AddPlasmaClasses(plasmaMod);
    pyVaultFolderNode::AddPlasmaClasses(plasmaMod);
    // Vault node derived classes
    pyVaultAgeInfoListNode::AddPlasmaClasses(plasmaMod);
    pyVaultAgeInfoNode::AddPlasmaClasses(plasmaMod);
    pyVaultAgeLinkNode::AddPlasmaClasses(plasmaMod);
    pyVaultChronicleNode::AddPlasmaClasses(plasmaMod);
    pyVaultImageNode::AddPlasmaClasses(plasmaMod);
    pyVaultMarkerGameNode::AddPlasmaClasses(plasmaMod);
    pyVaultPlayerInfoListNode::AddPlasmaClasses(plasmaMod);
    pyVaultPlayerInfoNode::AddPlasmaClasses(plasmaMod);
    pyVaultSDLNode::AddPlasmaClasses(plasmaMod);
    pyVaultSystemNode::AddPlasmaClasses(plasmaMod);
    pyVaultTextNoteNode::AddPlasmaClasses(plasmaMod);
    
    // Shaders
    pyGrassShader::AddPlasmaClasses(plasmaMod);

    // Game Scores
    pyScoreMgr::AddPlasmaClasses(plasmaMod);
    pyGameScore::AddPlasmaClasses(plasmaMod);

    // AI
    pyCritterBrain::AddPlasmaClasses(plasmaMod);

    // Stupid thing
    ptImportHook_AddPlasmaClasses(plasmaMod);
}


/////////////////////////////////////////////////////////////////////////////
//
//  Function   : AddPlasmaConstantsClasses
//  PARAMETERS : none
//
//  PURPOSE    : Initialize the PlasmaConstants module
//
void PythonInterface::AddPlasmaConstantsClasses()
{
    pyEnum::AddPlasmaConstantsClasses(plasmaConstantsMod);

    cyAvatar::AddPlasmaConstantsClasses(plasmaConstantsMod);
    cyMisc::AddPlasmaConstantsClasses(plasmaConstantsMod);
    cyAccountManagement::AddPlasmaConstantsClasses(plasmaConstantsMod);
    
    //pyDrawControl::AddPlasmaConstantsClasses(plasmaConstantsMod);
    pyDynamicText::AddPlasmaConstantsClasses(plasmaConstantsMod);
    pyGUIControlButton::AddPlasmaConstantsClasses(plasmaConstantsMod);
    pyGUIControlMultiLineEdit::AddPlasmaConstantsClasses(plasmaConstantsMod);
    pyJournalBook::AddPlasmaConstantsClasses(plasmaConstantsMod);
    pyMarkerMgr::AddPlasmaConstantsClasses(plasmaConstantsMod);
    pyMoviePlayer::AddPlasmaConstantsClasses(plasmaConstantsMod);
    pyNotify::AddPlasmaConstantsClasses(plasmaConstantsMod);
    pySDL::AddPlasmaConstantsClasses(plasmaConstantsMod);
    pyStatusLog::AddPlasmaConstantsClasses(plasmaConstantsMod);
    pyScoreMgr::AddPlasmaConstantsClasses(plasmaConstantsMod);

    pyAIMsg::AddPlasmaConstantsClasses(plasmaConstantsMod);

    // TODO: put these constants here. remove them from below.
    //pyNetLinkingMgr::AddPlasmaConstantsClasses(plasmaConstantsMod);
    //pyVault::AddPlasmaConstantsClasses(plasmaConstantsMod);
}


/////////////////////////////////////////////////////////////////////////////
//
//  Function   : AddPlasmaNetConstantsClasses
//  PARAMETERS : none
//
//  PURPOSE    : Initialize the PlasmaNetConstants module
//
void PythonInterface::AddPlasmaNetConstantsClasses()
{
    pyNetLinkingMgr::AddPlasmaConstantsClasses(plasmaNetConstantsMod);
}


/////////////////////////////////////////////////////////////////////////////
//
//  Function   : AddPlasmaVaultConstantsClasses
//  PARAMETERS : none
//
//  PURPOSE    : Initialize the PlasmaVaultConstants module
//
void PythonInterface::AddPlasmaVaultConstantsClasses()
{
    pyVault::AddPlasmaConstantsClasses(plasmaVaultConstantsMod);
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : AddPlasmaGameMethods
//  PARAMETERS : none
//
//  PURPOSE    : Add global methods to the PlasmaGame module
//
void PythonInterface::AddPlasmaGameMethods(std::vector<PyMethodDef> &methods)
{
    // General
    pyGameCli::AddPlasmaMethods(methods);

    // TicTacToe game
    pyTTTGame::AddPlasmaMethods(methods);

    // Heek game
    pyHeekGame::AddPlasmaMethods(methods);

    // Marker game
    pyMarkerGame::AddPlasmaMethods(methods);

    // Blue Spiral game
    pyBlueSpiralGame::AddPlasmaMethods(methods);

    // Climbing Wall game
    pyClimbingWallGame::AddPlasmaMethods(methods);

    // Variable Sync game
    pyVarSyncGame::AddPlasmaMethods(methods);
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : AddPlasmaGameClasses
//  PARAMETERS : none
//
//  PURPOSE    : Initialize the PlasmaGame module
//
void PythonInterface::AddPlasmaGameClasses()
{
    // General
    pyGameMgrMsg::AddPlasmaClasses(plasmaGameMod);
    pyGameMgrInviteReceivedMsg::AddPlasmaClasses(plasmaGameMod);
    pyGameMgrInviteRevokedMsg::AddPlasmaClasses(plasmaGameMod);
    pyGameCliMsg::AddPlasmaClasses(plasmaGameMod);
    pyGameCliPlayerJoinedMsg::AddPlasmaClasses(plasmaGameMod);
    pyGameCliPlayerLeftMsg::AddPlasmaClasses(plasmaGameMod);
    pyGameCliInviteFailedMsg::AddPlasmaClasses(plasmaGameMod);
    pyGameCliOwnerChangeMsg::AddPlasmaClasses(plasmaGameMod);
    pyGameCli::AddPlasmaClasses(plasmaGameMod);

    // TicTacToe game
    pyTTTMsg::AddPlasmaClasses(plasmaGameMod);
    pyTTTGameStartedMsg::AddPlasmaClasses(plasmaGameMod);
    pyTTTGameOverMsg::AddPlasmaClasses(plasmaGameMod);
    pyTTTMoveMadeMsg::AddPlasmaClasses(plasmaGameMod);
    pyTTTGame::AddPlasmaClasses(plasmaGameMod);

    // Heek game
    pyHeekMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekPlayGameMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekGoodbyeMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekWelcomeMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekDropMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekSetupMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekLightStateMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekInterfaceStateMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekCountdownStateMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekWinLoseMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekGameWinMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekPointUpdateMsg::AddPlasmaClasses(plasmaGameMod);
    pyHeekGame::AddPlasmaClasses(plasmaGameMod);

    // Marker game
    pyMarkerMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerTemplateCreatedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerTeamAssignedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerGameTypeMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerGameStartedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerGamePausedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerGameResetMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerGameOverMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerGameNameChangedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerTimeLimitChangedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerGameDeletedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerMarkerAddedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerMarkerDeletedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerMarkerNameChangedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerMarkerCapturedMsg::AddPlasmaClasses(plasmaGameMod);
    pyMarkerGame::AddPlasmaClasses(plasmaGameMod);

    // Blue Spiral game
    pyBlueSpiralMsg::AddPlasmaClasses(plasmaGameMod);
    pyBlueSpiralClothOrderMsg::AddPlasmaClasses(plasmaGameMod);
    pyBlueSpiralSuccessfulHitMsg::AddPlasmaClasses(plasmaGameMod);
    pyBlueSpiralGameWonMsg::AddPlasmaClasses(plasmaGameMod);
    pyBlueSpiralGameOverMsg::AddPlasmaClasses(plasmaGameMod);
    pyBlueSpiralGameStartedMsg::AddPlasmaClasses(plasmaGameMod);
    pyBlueSpiralGame::AddPlasmaClasses(plasmaGameMod);

    // Climbing Wall game
    pyClimbingWallMsg::AddPlasmaClasses(plasmaGameMod);
    pyClimbingWallNumBlockersChangedMsg::AddPlasmaClasses(plasmaGameMod);
    pyClimbingWallReadyMsg::AddPlasmaClasses(plasmaGameMod);
    pyClimbingWallBlockersChangedMsg::AddPlasmaClasses(plasmaGameMod);
    pyClimbingWallPlayerEnteredMsg::AddPlasmaClasses(plasmaGameMod);
    pyClimbingWallSuitMachineLockedMsg::AddPlasmaClasses(plasmaGameMod);
    pyClimbingWallGameOverMsg::AddPlasmaClasses(plasmaGameMod);
    pyClimbingWallGame::AddPlasmaClasses(plasmaGameMod);

    // Variable Sync game
    pyVarSyncMsg::AddPlasmaClasses(plasmaGameMod);
    pyVarSyncStringVarChangedMsg::AddPlasmaClasses(plasmaGameMod);
    pyVarSyncNumericVarChangedMsg::AddPlasmaClasses(plasmaGameMod);
    pyVarSyncAllVarsSentMsg::AddPlasmaClasses(plasmaGameMod);
    pyVarSyncStringVarCreatedMsg::AddPlasmaClasses(plasmaGameMod);
    pyVarSyncNumericVarCreatedMsg::AddPlasmaClasses(plasmaGameMod);
    pyVarSyncGame::AddPlasmaClasses(plasmaGameMod);
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : AddPlasmaGameConstantsClasses
//  PARAMETERS : none
//
//  PURPOSE    : Initialize the PlasmaGameConstants module
//
void PythonInterface::AddPlasmaGameConstantsClasses()
{
    // General
    pyGameMgrMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);
    pyGameCliMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);
    pyGameCliInviteFailedMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);

    // TicTacToe game
    pyTTTMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);
    pyTTTGame::AddPlasmaConstantsClasses(plasmaGameConstantsMod);

    // Heek game
    pyHeekMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);
    pyHeekLightStateMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);
    pyHeekCountdownStateMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);
    pyHeekGame::AddPlasmaConstantsClasses(plasmaGameConstantsMod);

    // Marker game
    pyMarkerMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);
    pyMarkerGame::AddPlasmaConstantsClasses(plasmaGameConstantsMod);

    // Blue Spiral game
    pyBlueSpiralMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);

    // Climbing Wall game
    pyClimbingWallMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);
    pyClimbingWallGame::AddPlasmaConstantsClasses(plasmaGameConstantsMod);

    // Variable Sync game
    pyVarSyncMsg::AddPlasmaConstantsClasses(plasmaGameConstantsMod);
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : finiPython
//  PARAMETERS : none
//
//  PURPOSE    : Finalize the Python dll, ie. get ready to shut down
//
void PythonInterface::finiPython()
{
    // decrement the number of initializations, on last one do the finalization
    initialized--;
    if ( initialized < 1 && Py_IsInitialized() != 0 && IsInShutdown )
    {
#if defined(HAVE_CYPYTHONIDE) && !defined(PLASMA_EXTERNAL_RELEASE)
        if (usePythonDebugger)
            debugServer.Disconnect();
#endif
        // remove debug module if used
        if ( dbgMod )
        {
            Py_DECREF(dbgMod);
            dbgMod = nil;
        }

        if ( stdOut )
        {
            Py_DECREF(stdOut);
            stdOut = nil;
        }

        if ( stdErr )
        {
            Py_DECREF(stdErr);
            stdErr = nil;
        }

        if ( plasmaMod )
        {
            Py_DECREF(plasmaMod);   // get rid of our reference
            plasmaMod = nil;
        }

        if ( plasmaConstantsMod )
        {
            Py_DECREF(plasmaConstantsMod);
            plasmaConstantsMod = nil;
        }

        if ( plasmaNetConstantsMod )
        {
            Py_DECREF(plasmaNetConstantsMod);
            plasmaNetConstantsMod = nil;
        }

        if ( plasmaVaultConstantsMod )
        {
            Py_DECREF(plasmaVaultConstantsMod);
            plasmaVaultConstantsMod = nil;
        }

        if ( plasmaGameMod )
        {
            Py_DECREF(plasmaGameMod);
            plasmaGameMod = nil;
        }

        if ( plasmaGameConstantsMod )
        {
            Py_DECREF(plasmaGameConstantsMod);
            plasmaGameConstantsMod = nil;
        }

        // let Python clean up after itself
        Py_Finalize();

        if (plasmaMethods)
        {
            delete [] plasmaMethods;
            plasmaMethods = nil;
        }

        if (plasmaGameMethods)
        {
            delete [] plasmaGameMethods;
            plasmaGameMethods = nil;
        }

        // close done the log file, if we created one
        if ( dbgLog != nil )
        {
            delete dbgLog;
            dbgLog = nil;
        }

        initialized = 0;
    }
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : debugTimeSlice
//  PARAMETERS : none
//
//  PURPOSE    : give the debug window a time slice
//
void PythonInterface::debugTimeSlice()
{
    // check to see if the debug python module is loaded
    if ( dbgSlice != nil )
    {
        // then send it the new text
        PyObject* retVal = PyObject_CallFunction(dbgSlice,nil);
        if ( retVal == nil )
        {
            // for some reason this function didn't, remember that and not call it again
            dbgSlice = nil;
            // if there was an error make sure that the stderr gets flushed so it can be seen
            PyErr_Print();      // make sure the error is printed
            PyErr_Clear();      // clear the error
        }
        Py_XDECREF(retVal);
    }
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : GetStdOut
//  PARAMETERS : none
//
//  PURPOSE    : get the stdOut python object
//
PyObject* PythonInterface::GetStdOut()
{
    return stdOut;
}

PyObject* PythonInterface::GetStdErr()
{
    return stdErr;
}
    
/////////////////////////////////////////////////////////////////////////////
//
//  Function   : getOutputAndReset
//  PARAMETERS : none
//
//  PURPOSE    : get the Output to the error file to be displayed
//
int PythonInterface::getOutputAndReset(std::string *output)
{
    if (stdOut != nil)
    {
        std::string strVal = pyOutputRedirector::GetData(stdOut);
        int size = strVal.length();
        dbgLog->AddLine(strVal.c_str());

        // reset the file back to zero
        pyOutputRedirector::ClearData(stdOut);

        // tell python debugger
#if defined(HAVE_CYPYTHONIDE) && !defined(PLASMA_EXTERNAL_RELEASE)
        if (UsePythonDebugger())
            PythonInterface::PythonDebugger()->StdOut(strVal);
#endif

        // check to see if the debug python module is loaded
        if ( dbgOut != nil )
        {
            // then send it the new text
            PyObject* retVal = PyObject_CallFunction(dbgOut,"s",strVal.c_str());
            if ( retVal == nil )
            {
                // for some reason this function didn't, remember that and not call it again
                dbgOut = nil;
                // if there was an error make sure that the stderr gets flushed so it can be seen
                PyErr_Print();      // make sure the error is printed
                PyErr_Clear();      // clear the error
            }
            Py_XDECREF(retVal);
        }

        if (output)
            (*output) = strVal;
        return size;
    }
    return 0;
}

void PythonInterface::WriteToLog(const char* text)
{
    dbgLog->AddLine(text);
}

void PythonInterface::WriteToStdErr(const char* text)
{
    PyObject* stdErr = PythonInterface::GetStdErr();
    if (stdErr && pyErrorRedirector::Check(stdErr))
    {
        pyErrorRedirector *obj = pyErrorRedirector::ConvertFrom(stdErr);
        obj->Write(text);
    }
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : FindModule
//  PARAMETERS : module    - module name to find
//
//  PURPOSE    : Find module. If it doesn't exist then don't create, return nil.
//
PyObject* PythonInterface::FindModule(char* module)
{
    PyObject *m;
    // first we must get rid of any old modules of the same name, we'll replace it
    PyObject *modules = PyImport_GetModuleDict();
    if ((m = PyDict_GetItemString(modules, module)) != NULL && PyModule_Check(m))
        // just return what we found
        return m;

    // couldn't find the module, return None (sorta)
    return nil;
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : IsModuleNameUnique
//  PARAMETERS : module    - module name to create
//
//  PURPOSE    : Test to see if the module name is unique
//
//  Returns    : True if unique , otherwise returns False
//
hsBool PythonInterface::IsModuleNameUnique(char* module)
{
    PyObject *m;
    // first we must get rid of any old modules of the same name, we'll replace it
    PyObject *modules = PyImport_GetModuleDict();
    if ((m = PyDict_GetItemString(modules, module)) != NULL && PyModule_Check(m))
    {
        return false;
    }
    return true;
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : CreateModule
//  PARAMETERS : module    - module name to create
//
//  PURPOSE    : create a new module with built-ins
//
PyObject* PythonInterface::CreateModule(char* module)
{
    PyObject *m, *d;
    // first we must get rid of any old modules of the same name, we'll replace it
    PyObject *modules = PyImport_GetModuleDict();
    if ((m = PyDict_GetItemString(modules, module)) != NULL && PyModule_Check(m))
    {
        // clear it
        char message[256];
        sprintf(message,"ERROR! Creating a python module of the same name - %s",module);
        hsAssert(false,message);
        _PyModule_Clear(m);
    }

    // create the module
    m = PyImport_AddModule(module);
    if (m == NULL)
        return nil;
    d = PyModule_GetDict(m);
    // add in the built-ins
    // first make sure that we don't already have the builtins
    if (PyDict_GetItemString(d, "__builtins__") == NULL)
    {
        // if we need the builtins then find the builtin module
        PyObject *bimod = PyImport_ImportModule("__builtin__");
        // then add the builtin dicitionary to our module's dictionary
        if (bimod == NULL || PyDict_SetItemString(d, "__builtins__", bimod) != 0)
            return nil;
        Py_DECREF(bimod);
    }
    return m;
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : GetPlasmaItem
//  PARAMETERS : item    - what item in the plasma module to get
//
//  PURPOSE    : get an item (probably a function) from the Plasma module
//
PyObject* PythonInterface::GetPlasmaItem(char* item)
{
    if ( plasmaMod )
    {
        PyObject* d = PyModule_GetDict(plasmaMod);
        return PyDict_GetItemString(d, item);
    }
    return nil;
}


/////////////////////////////////////////////////////////////////////////////
//
//  Function   : GetModuleItem
//  PARAMETERS : item    - what item in the plasma module to get
//
//  PURPOSE    : get an item (probably a function) from a specific module
//
PyObject* PythonInterface::GetModuleItem(char* item, PyObject* module)
{
    if ( module )
    {
        PyObject* d = PyModule_GetDict(module);
        return PyDict_GetItemString(d, item);
    }

    return nil;
}


/////////////////////////////////////////////////////////////////////////////
//
//  Function   : CheckModuleForFunctions
//  PARAMETERS : module    - module to check for
//
//  PURPOSE    : checks to see if a specific function is defined in this module
//
void PythonInterface::CheckModuleForFunctions(PyObject* module, char** funcNames, PyObject** funcTable)
{
    PyObject *dict;
    // get the dictionary for this module
    dict = PyModule_GetDict(module);
    // start looking for the functions
    int i=0;
    while ( funcNames[i] != nil )
    {
        PyObject* func = PyDict_GetItemString(dict, funcNames[i]);
        if ( func != NULL && PyCallable_Check(func)>0 )
        {
            // if it is defined then mark the funcTable
            funcTable[i] = func;
        }
        else    // else we couldn't find the funtion
        {
            funcTable[i] = nil;
        }
        i++;
    }
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : CheckInstanceForFunctions
//  PARAMETERS : instance    - instance of a class to check
//
//  PURPOSE    : checks to see if a specific function is defined in this instance of a class
//             : and will fill out the funcTable with object instances of where the funciton is
//
void PythonInterface::CheckInstanceForFunctions(PyObject* instance, char** funcNames, PyObject** funcTable)
{
    // start looking for the functions
    int i=0;
    while ( funcNames[i] != nil )
    {
        PyObject* func = PyObject_GetAttrString(instance, funcNames[i]);
        if ( func != NULL )
        {
            if ( PyCallable_Check(func)>0 )
            {
                // if it is defined then mark the funcTable
                funcTable[i] = instance;
            }
            Py_DECREF(func);
        }
        i++;
    }
}


/////////////////////////////////////////////////////////////////////////////
//
//  Function   : CompileString
//  PARAMETERS : command       - string of commands to execute in the...
//             : filename      - filename to say where to code came from
//
//  PURPOSE    : run a python string in a specific module name
//
PyObject* PythonInterface::CompileString(char *command, char* filename)
{
    PyObject* pycode = Py_CompileString(command, filename, Py_file_input);
    return pycode;
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : DumpObject
//  PARAMETERS : pyobject       - string of commands to execute in the...
//
//  PURPOSE    : marshals an object into a char string
//
hsBool PythonInterface::DumpObject(PyObject* pyobj, char** pickle, Int32* size)
{
    PyObject *s;        // the python string object where the marsalled object wil go
    // convert object to a marshalled string python object
#if (PY_MAJOR_VERSION == 2) && (PY_MINOR_VERSION < 4)
    s = PyMarshal_WriteObjectToString(pyobj);
#else
    s = PyMarshal_WriteObjectToString(pyobj, Py_MARSHAL_VERSION);
#endif

    // did it actually do it?
    if ( s != NULL )
    {
        // yes, then get the size and the string address
        *size = PyString_Size(s);
        *pickle =  PyString_AsString(s);
        return true;
    }
    else  // otherwise, there was an error
    {
        // Yikes! errors!
        PyErr_Print();  // FUTURE: we may have to get the string to display in max...later
        return false;
    }
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : LoadObject
//  PARAMETERS : pickle    - the pickled object in char string form
//             : size      - size of the guts to load into an object
//
//  PURPOSE    : Load a python object from a pickled object
//
PyObject* PythonInterface::LoadObject(char* pickle, Int32 size)
{
    return PyMarshal_ReadObjectFromString(pickle, size);
}


/////////////////////////////////////////////////////////////////////////////
//
//  Function   : RunStringInteractive
//  PARAMETERS : command   - string of commands to execute in the...
//             : module    - module name to run 'command' in
//
//  PURPOSE    : run a python string in a specific module name
//
//  RETURNS    : pointer to PyObject that is the result of the command
//
hsBool PythonInterface::RunStringInteractive(char *command, PyObject* module)
{
    PyObject *d, *v;
    // make sure that we're given a good module... or at least one with an address
    if ( !module )
    {
        // if no module was given then use just use the main module
        module = PyImport_AddModule("__main__");
        if (module == NULL)
            return false;
    }
    // get the dictionaries for this module
    d = PyModule_GetDict(module);
    // run the string
    v = PyRun_String(command, Py_single_input, d, d);
    // check for errors and print them
    if (v == NULL)
    {
        // Yikes! errors!
        PyErr_Print();
        return false;
    }
    Py_DECREF(v);
    if (Py_FlushLine())
        PyErr_Clear();
    return true;
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : RunString
//  PARAMETERS : command   - string of commands to execute in the...
//             : module    - module name to run 'command' in
//
//  PURPOSE    : run a python string in a specific module name
//
hsBool PythonInterface::RunString(char *command, PyObject* module)
{
    PyObject *d, *v;
    // make sure that we're given a good module... or at least one with an address
    if ( !module )
    {
        // if no module was given then use just use the main module
        module = PyImport_AddModule("__main__");
        if (module == NULL)
            return false;
    }
    // get the dictionaries for this module
    d = PyModule_GetDict(module);
    // run the string
    v = PyRun_String(command, Py_file_input, d, d);
    // check for errors and print them
    if (v == NULL)
    {
        // Yikes! errors!
        PyErr_Print();
        return false;
    }
    Py_DECREF(v);
    if (Py_FlushLine())
        PyErr_Clear();
    return true;
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : RunPYC
//  PARAMETERS : code      - compiled code
//             : module    - module name to run the code in
//
//  PURPOSE    : run a compiled python code in a specific module name
//
hsBool PythonInterface::RunPYC(PyObject* code, PyObject* module)
{
    PyObject *d, *v;
    // make sure that we're given a good module... or at least one with an address
    if ( !module )
    {
        // if no module was given then use just use the main module
        module = PyImport_AddModule("__main__");
        if (module == NULL)
            return false;
    }
    // get the dictionaries for this module
    d = PyModule_GetDict(module);
    // run the string
    v = PyEval_EvalCode((PyCodeObject*)code, d, d);
    // check for errors and print them
    if (v == NULL)
    {
        // Yikes! errors!
        PyErr_Print();
        return false;
    }
    Py_DECREF(v);
    if (Py_FlushLine())
        PyErr_Clear();
    return true;
}

/////////////////////////////////////////////////////////////////////////////
//
//  Function   : GetpyKeyFromPython
//  PARAMETERS : pkey      - python object that is a pyKey (ptKey) class
//
//  PURPOSE    : turn a PyObject* into a pyKey*
//
pyKey* PythonInterface::GetpyKeyFromPython(PyObject* pkey)
{
    if (!pyKey::Check(pkey))
        return nil;
    return pyKey::ConvertFrom(pkey);
}