PyObject* Player_New(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
Player *self;
int playerCore=EPC_NONE;
self = (Player*)type->tp_alloc(type, 0);
if (!self) return NULL;
if (!PyArg_ParseTuple(args, (char*)"|i", &playerCore)) return NULL;
self->iPlayList = PLAYLIST_MUSIC;
CPyThreadState pyState;
self->pPlayer = new CPythonPlayer();
pyState.Restore();
self->pPlayer->SetCallback(PyThreadState_Get(), (PyObject*)self);
self->playerCore = EPC_NONE;
if (playerCore == EPC_DVDPLAYER ||
playerCore == EPC_MPLAYER ||
playerCore == EPC_PAPLAYER)
{
self->playerCore = (EPLAYERCORES)playerCore;
}
return (PyObject*)self;
}
PyObject* Addon_SetSetting(Addon *self, PyObject *args, PyObject *kwds)
{
static const char *keywords[] = { "id", "value", NULL };
char *id = NULL;
PyObject *pValue = NULL;
if (!PyArg_ParseTupleAndKeywords(
args,
kwds,
(char*)"sO",
(char**)keywords,
&id,
&pValue
))
{
return NULL;
};
CStdString value;
if (!id || !PyXBMCGetUnicodeString(value, pValue, 1))
{
PyErr_SetString(PyExc_ValueError, "Invalid id or value!");
return NULL;
}
AddonPtr addon(self->pAddon);
CPyThreadState pyState;
addon->UpdateSetting(id, value);
addon->SaveSettings();
pyState.Restore();
Py_INCREF(Py_None);
return Py_None;
}
PyObject* vfs_copy(PyObject *self, PyObject *args)
{
PyObject *f_line;
PyObject *d_line;
if (!PyArg_ParseTuple(
args,
(char*)"OO",
&f_line,
&d_line))
{
return NULL;
}
CStdString strSource;
CStdString strDestnation;
bool bResult = true;
if (!PyXBMCGetUnicodeString(strSource, f_line, 1)) return NULL;
if (!PyXBMCGetUnicodeString(strDestnation, d_line, 1)) return NULL;
CPyThreadState pyState;
bResult = CFile::Cache(strSource, strDestnation);
pyState.Restore();
return Py_BuildValue((char*)"b", bResult);
}
// rename a file
PyObject* vfs_rename(File *self, PyObject *args, PyObject *kwds)
{
PyObject *f_line;
PyObject *d_line;
if (!PyArg_ParseTuple(
args,
(char*)"OO",
&f_line,
&d_line))
{
return NULL;
}
CStdString strSource;
CStdString strDestnation;
if (!PyXBMCGetUnicodeString(strSource, f_line, 1)) return NULL;
if (!PyXBMCGetUnicodeString(strDestnation, d_line, 1)) return NULL;
bool bResult;
CPyThreadState pyState;
bResult = self->pFile->Rename(strSource,strDestnation);
pyState.Restore();
return Py_BuildValue((char*)"b", bResult);
}
PyObject* Player_Pause(PyObject *self, PyObject *args)
{
CPyThreadState pyState;
g_application.getApplicationMessenger().MediaPause();
pyState.Restore();
Py_INCREF(Py_None);
return Py_None;
}
void Player_Dealloc(Player* self)
{
self->pPlayer->SetCallback(NULL, NULL);
CPyThreadState pyState;
self->pPlayer->Release();
pyState.Restore();
self->pPlayer = NULL;
self->ob_type->tp_free((PyObject*)self);
}
PyObject* Addon_OpenSettings(Addon *self, PyObject *args, PyObject *kwds)
{
// show settings dialog
AddonPtr addon(self->pAddon);
CPyThreadState pyState;
CGUIDialogAddonSettings::ShowAndGetInput(addon);
pyState.Restore();
Py_INCREF(Py_None);
return Py_None;
}
PyObject* Player_PlayPrevious(Player *self, PyObject *args)
{
// force a playercore before playing
g_application.m_eForcedNextPlayer = self->playerCore;
CPyThreadState pyState;
g_application.getApplicationMessenger().PlayListPlayerPrevious();
pyState.Restore();
Py_INCREF(Py_None);
return Py_None;
}
PyObject* Monitor_New(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
Monitor *self;
self = (Monitor*)type->tp_alloc(type, 0);
if (!self) return NULL;
std::string addonId;
if (!PyXBMCGetAddonId(addonId) || addonId.empty())
{
PyErr_SetString((PyObject*)self, "Unable to identify addon");
return NULL;
}
CPyThreadState pyState;
self->pMonitor = new CPythonMonitor();
pyState.Restore();
self->pMonitor->Id = addonId;
self->pMonitor->SetCallback(PyThreadState_Get(), (PyObject*)self);
return (PyObject*)self;
}
// delete a file
PyObject* vfs_delete(File *self, PyObject *args, PyObject *kwds)
{
PyObject *f_line;
if (!PyArg_ParseTuple(
args,
(char*)"O",
&f_line))
{
return NULL;
}
CStdString strSource;
if (!PyXBMCGetUnicodeString(strSource, f_line, 1)) return NULL;
CPyThreadState pyState;
self->pFile->Delete(strSource);
pyState.Restore();
Py_INCREF(Py_None);
return Py_None;
}
// check for a file or folder existance, mimics Pythons os.path.exists()
PyObject* vfs_exists(File *self, PyObject *args, PyObject *kwds)
{
PyObject *f_line;
if (!PyArg_ParseTuple(
args,
(char*)"O",
&f_line))
{
return NULL;
}
CStdString strSource;
if (!PyXBMCGetUnicodeString(strSource, f_line, 1)) return NULL;
bool bResult;
CPyThreadState pyState;
bResult = self->pFile->Exists(strSource, false);
pyState.Restore();
return Py_BuildValue((char*)"b", bResult);
}
PyObject* XBMC_subHashAndFileSize(PyObject *self, PyObject *args, PyObject *kwds)
{
PyObject *f_line;
if (!PyArg_ParseTuple(
args,
(char*)"O",
&f_line))
{
return NULL;
}
CStdString strSource;
if (!PyXBMCGetUnicodeString(strSource, f_line, 1)) return NULL;
CStdString strSize;
CStdString strHash;
CPyThreadState pyState;
CFileUtils::SubtitleFileSizeAndHash(strSource, strSize, strHash);
pyState.Restore();
return Py_BuildValue((char*)"ss",strSize.c_str(), strHash.c_str());
}
PyObject* XBMC_ExecuteHttpApi(PyObject *self, PyObject *args)
{
char *cLine = NULL;
if (!PyArg_ParseTuple(args, (char*)"s", &cLine)) return NULL;
CPyThreadState pyLock;
if (!m_pXbmcHttp)
m_pXbmcHttp = new CXbmcHttp();
CStdString method = cLine;
int open, close;
CStdString parameter="", cmd=cLine, execute;
open = cmd.Find("(");
if (open>0)
{
close=cmd.length();
while (close>open && cmd.Mid(close,1)!=")")
close--;
if (close>open)
{
parameter = cmd.Mid(open + 1, close - open - 1);
parameter.Replace(",",";");
execute = cmd.Left(open);
}
else //open bracket but no close
{
pyLock.Restore();
return PyString_FromString("");
}
}
else //no parameters
execute = cmd;
CURL::Decode(parameter);
pyLock.Restore();
return PyString_FromString(CHttpApi::MethodCall(execute, parameter).c_str());
}
PyObject* Player_PlaySelected(Player *self, PyObject *args)
{
int iItem;
if (!PyArg_ParseTuple(args, (char*)"i", &iItem)) return NULL;
// force a playercore before playing
g_application.m_eForcedNextPlayer = self->playerCore;
if (g_playlistPlayer.GetCurrentPlaylist() != self->iPlayList)
{
g_playlistPlayer.SetCurrentPlaylist(self->iPlayList);
}
g_playlistPlayer.SetCurrentSong(iItem);
CPyThreadState pyState;
g_application.getApplicationMessenger().PlayListPlayerPlay(iItem);
pyState.Restore();
//g_playlistPlayer.Play(iItem);
//CLog::Log(LOGNOTICE, "Current Song After Play: %i", g_playlistPlayer.GetCurrentSong());
Py_INCREF(Py_None);
return Py_None;
}
PyObject* XBMC_Sleep(PyObject *self, PyObject *args)
{
PyObject *pObject;
if (!PyArg_ParseTuple(args, (char*)"O", &pObject)) return NULL;
if (!PyInt_Check(pObject))
{
PyErr_Format(PyExc_TypeError, "argument must be a bool(integer) value");
return NULL;
}
long i = PyInt_AsLong(pObject);
//while(i != 0)
//{
CPyThreadState pyState;
Sleep(i);//(500);
pyState.Restore();
PyXBMC_MakePendingCalls();
//i = PyInt_AsLong(pObject);
//}
Py_INCREF(Py_None);
return Py_None;
}
void XBPyThread::Process()
{
CLog::Log(LOGDEBUG,"Python thread: start processing");
int m_Py_file_input = Py_file_input;
// get the global lock
PyEval_AcquireLock();
PyThreadState* state = Py_NewInterpreter();
if (!state)
{
PyEval_ReleaseLock();
CLog::Log(LOGERROR,"Python thread: FAILED to get thread state!");
return;
}
// swap in my thread state
PyThreadState_Swap(state);
XBMCAddon::AddonClass::Ref<XBMCAddon::Python::LanguageHook> languageHook(new XBMCAddon::Python::LanguageHook(state->interp));
languageHook->RegisterMe();
m_pExecuter->InitializeInterpreter(addon);
CLog::Log(LOGDEBUG, "%s - The source file to load is %s", __FUNCTION__, m_source);
// get path from script file name and add python path's
// this is used for python so it will search modules from script path first
CStdString scriptDir;
URIUtils::GetDirectory(CSpecialProtocol::TranslatePath(m_source), scriptDir);
URIUtils::RemoveSlashAtEnd(scriptDir);
CStdString path = scriptDir;
// add on any addon modules the user has installed
ADDON::VECADDONS addons;
ADDON::CAddonMgr::Get().GetAddons(ADDON::ADDON_SCRIPT_MODULE, addons);
for (unsigned int i = 0; i < addons.size(); ++i)
#ifdef TARGET_WINDOWS
{
CStdString strTmp(CSpecialProtocol::TranslatePath(addons[i]->LibPath()));
g_charsetConverter.utf8ToSystem(strTmp);
path += PY_PATH_SEP + strTmp;
}
#else
path += PY_PATH_SEP + CSpecialProtocol::TranslatePath(addons[i]->LibPath());
#endif
// and add on whatever our default path is
path += PY_PATH_SEP;
// we want to use sys.path so it includes site-packages
// if this fails, default to using Py_GetPath
PyObject *sysMod(PyImport_ImportModule((char*)"sys")); // must call Py_DECREF when finished
PyObject *sysModDict(PyModule_GetDict(sysMod)); // borrowed ref, no need to delete
PyObject *pathObj(PyDict_GetItemString(sysModDict, "path")); // borrowed ref, no need to delete
if( pathObj && PyList_Check(pathObj) )
{
for( int i = 0; i < PyList_Size(pathObj); i++ )
{
PyObject *e = PyList_GetItem(pathObj, i); // borrowed ref, no need to delete
if( e && PyString_Check(e) )
{
path += PyString_AsString(e); // returns internal data, don't delete or modify
path += PY_PATH_SEP;
}
}
}
else
{
path += Py_GetPath();
}
Py_DECREF(sysMod); // release ref to sysMod
// set current directory and python's path.
if (m_argv != NULL)
PySys_SetArgv(m_argc, m_argv);
CLog::Log(LOGDEBUG, "%s - Setting the Python path to %s", __FUNCTION__, path.c_str());
PySys_SetPath((char *)path.c_str());
CLog::Log(LOGDEBUG, "%s - Entering source directory %s", __FUNCTION__, scriptDir.c_str());
PyObject* module = PyImport_AddModule((char*)"__main__");
PyObject* moduleDict = PyModule_GetDict(module);
// when we are done initing we store thread state so we can be aborted
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
// we need to check if we was asked to abort before we had inited
bool stopping = false;
{ CSingleLock lock(m_pExecuter->m_critSection);
m_threadState = state;
stopping = m_stopping;
}
PyEval_AcquireLock();
PyThreadState_Swap(state);
if (!stopping)
{
try
{
if (m_type == 'F')
{
// run script from file
// We need to have python open the file because on Windows the DLL that python
// is linked against may not be the DLL that xbmc is linked against so
// passing a FILE* to python from an fopen has the potential to crash.
PyObject* file = PyFile_FromString((char *) CSpecialProtocol::TranslatePath(m_source).c_str(), (char*)"r");
FILE *fp = PyFile_AsFile(file);
if (fp)
{
PyObject *f = PyString_FromString(CSpecialProtocol::TranslatePath(m_source).c_str());
PyDict_SetItemString(moduleDict, "__file__", f);
if (addon.get() != NULL)
{
PyObject *pyaddonid = PyString_FromString(addon->ID().c_str());
PyDict_SetItemString(moduleDict, "__xbmcaddonid__", pyaddonid);
CStdString version = ADDON::GetXbmcApiVersionDependency(addon);
PyObject *pyxbmcapiversion = PyString_FromString(version.c_str());
PyDict_SetItemString(moduleDict, "__xbmcapiversion__", pyxbmcapiversion);
CLog::Log(LOGDEBUG,"Instantiating addon using automatically obtained id of \"%s\" dependent on version %s of the xbmc.python api",addon->ID().c_str(),version.c_str());
}
Py_DECREF(f);
XBMCAddon::Python::PyContext pycontext; // this is a guard class that marks this callstack as being in a python context
PyRun_FileExFlags(fp, CSpecialProtocol::TranslatePath(m_source).c_str(), m_Py_file_input, moduleDict, moduleDict,1,NULL);
}
else
CLog::Log(LOGERROR, "%s not found!", m_source);
}
else
{
//run script
PyRun_String(m_source, m_Py_file_input, moduleDict, moduleDict);
}
}
catch (const XbmcCommons::Exception& e)
{
e.LogThrowMessage();
}
catch (...)
{
CLog::Log(LOGERROR, "failure in %s", m_source);
}
}
if (!PyErr_Occurred())
CLog::Log(LOGINFO, "Scriptresult: Success");
else if (PyErr_ExceptionMatches(PyExc_SystemExit))
CLog::Log(LOGINFO, "Scriptresult: Aborted");
else
{
PythonBindings::PythonToCppException e;
e.LogThrowMessage();
{
CPyThreadState releaseGil;
CSingleLock gc(g_graphicsContext);
CGUIDialogKaiToast *pDlgToast = (CGUIDialogKaiToast*)g_windowManager.GetWindow(WINDOW_DIALOG_KAI_TOAST);
if (pDlgToast)
{
CStdString desc;
CStdString path;
CStdString script;
URIUtils::Split(m_source, path, script);
if (script.Equals("default.py"))
{
CStdString path2;
URIUtils::RemoveSlashAtEnd(path);
URIUtils::Split(path, path2, script);
}
desc.Format(g_localizeStrings.Get(2100), script);
pDlgToast->QueueNotification(CGUIDialogKaiToast::Error, g_localizeStrings.Get(257), desc);
}
}
}
PyObject *m = PyImport_AddModule((char*)"xbmc");
if(!m || PyObject_SetAttrString(m, (char*)"abortRequested", PyBool_FromLong(1)))
CLog::Log(LOGERROR, "Scriptresult: failed to set abortRequested");
// make sure all sub threads have finished
for(PyThreadState* s = state->interp->tstate_head, *old = NULL; s;)
{
if(s == state)
{
s = s->next;
continue;
}
if(old != s)
{
CLog::Log(LOGINFO, "Scriptresult: Waiting on thread %"PRIu64, (uint64_t)s->thread_id);
old = s;
}
CPyThreadState pyState;
Sleep(100);
pyState.Restore();
s = state->interp->tstate_head;
}
// pending calls must be cleared out
XBMCAddon::RetardedAsynchCallbackHandler::clearPendingCalls(state);
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
//set stopped event - this allows ::stop to run and kill remaining threads
//this event has to be fired without holding m_pExecuter->m_critSection
//before
//Also the GIL (PyEval_AcquireLock) must not be held
//if not obeyed there is still no deadlock because ::stop waits with timeout (smart one!)
stoppedEvent.Set();
{ CSingleLock lock(m_pExecuter->m_critSection);
m_threadState = NULL;
}
PyEval_AcquireLock();
PyThreadState_Swap(state);
m_pExecuter->DeInitializeInterpreter();
// run the gc before finishing
if (!m_stopping && languageHook->HasRegisteredAddonClasses() && PyRun_SimpleString(GC_SCRIPT) == -1)
CLog::Log(LOGERROR,"Failed to run the gc to clean up after running prior to shutting down the Interpreter %s",m_source);
Py_EndInterpreter(state);
// This is a total hack. Python doesn't necessarily release
// all of the objects associated with the interpreter when
// you end the interpreter. As a result there are objects
// managed by the windowing system that still receive events
// until python decides to clean them up. Python will eventually
// clean them up on the creation or ending of a subsequent
// interpreter. So we are going to keep creating and ending
// interpreters until we have no more python objects hanging
// around.
if (languageHook->HasRegisteredAddonClasses())
{
CLog::Log(LOGDEBUG, "The python script \"%s\" has left several "
"classes in memory that we will be attempting to clean up. The classes include: %s",
m_source, getListOfAddonClassesAsString(languageHook).c_str());
int countLimit;
for (countLimit = 0; languageHook->HasRegisteredAddonClasses() && countLimit < 100; countLimit++)
{
PyThreadState* tmpstate = Py_NewInterpreter();
PyThreadState* oldstate = PyThreadState_Swap(tmpstate);
if (PyRun_SimpleString(GC_SCRIPT) == -1)
CLog::Log(LOGERROR,"Failed to run the gc to clean up after running %s",m_source);
PyThreadState_Swap(oldstate);
Py_EndInterpreter(tmpstate);
}
// If necessary and successfull, debug log the results.
if (countLimit > 0 && !languageHook->HasRegisteredAddonClasses())
CLog::Log(LOGDEBUG,"It took %d Py_NewInterpreter/Py_EndInterpreter calls"
" to clean up the classes leftover from running \"%s.\"",
countLimit,m_source);
// If not successful, produce an error message detailing what's been left behind
if (languageHook->HasRegisteredAddonClasses())
CLog::Log(LOGERROR, "The python script \"%s\" has left several "
"classes in memory that we couldn't clean up. The classes include: %s",
m_source, getListOfAddonClassesAsString(languageHook).c_str());
}
// unregister the language hook
languageHook->UnregisterMe();
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
}
PyObject* Dialog_Browse(PyObject *self, PyObject *args)
{
int browsetype = 0;
char useThumbs = false;
char useFileDirectories = false;
char enableMultiple = false;
CStdString value;
CStdStringArray valuelist;
PyObject* unicodeLine[3];
string utf8Line[3];
char *cDefault = NULL;
PyObject *result;
for (int i = 0; i < 3; i++)
unicodeLine[i] = NULL;
if (!PyArg_ParseTuple(args, (char*)"iOO|Obbsb",
&browsetype , &unicodeLine[0],
&unicodeLine[1], &unicodeLine[2],
&useThumbs, &useFileDirectories,
&cDefault, &enableMultiple))
{
return NULL;
}
for (int i = 0; i < 3; i++)
{
if (unicodeLine[i] && !PyXBMCGetUnicodeString(utf8Line[i], unicodeLine[i], i+1))
return NULL;
}
VECSOURCES *shares = g_settings.GetSourcesFromType(utf8Line[1]);
if (!shares) return NULL;
if (useFileDirectories && !utf8Line[2].size() == 0)
utf8Line[2] += "|.rar|.zip";
value = cDefault;
CPyThreadState pyState;
if (browsetype == 1)
{
if (enableMultiple)
CGUIDialogFileBrowser::ShowAndGetFileList(*shares, utf8Line[2], utf8Line[0], valuelist, 0 != useThumbs, 0 != useFileDirectories);
else
CGUIDialogFileBrowser::ShowAndGetFile(*shares, utf8Line[2], utf8Line[0], value, 0 != useThumbs, 0 != useFileDirectories);
}
else if (browsetype == 2)
{
if (enableMultiple)
CGUIDialogFileBrowser::ShowAndGetImageList(*shares, utf8Line[0], valuelist);
else
CGUIDialogFileBrowser::ShowAndGetImage(*shares, utf8Line[0], value);
}
else
CGUIDialogFileBrowser::ShowAndGetDirectory(*shares, utf8Line[0], value, browsetype != 0);
pyState.Restore();
if (enableMultiple && (browsetype == 1 || browsetype == 2))
{
result = PyTuple_New(valuelist.size());
if (!result)
return NULL;
for (unsigned int i = 0; i < valuelist.size(); i++)
PyTuple_SetItem(result, i, PyString_FromString(valuelist.at(i).c_str()));
return result;
}
else
return Py_BuildValue((char*)"s", value.c_str());
}
bool CPythonInvoker::execute(const std::string &script, const std::vector<std::string> &arguments)
{
// copy the code/script into a local string buffer
m_sourceFile = script;
// copy the arguments into a local buffer
m_argc = arguments.size();
m_argv = new char*[m_argc];
for (unsigned int i = 0; i < m_argc; i++)
{
m_argv[i] = new char[arguments.at(i).length() + 1];
strcpy(m_argv[i], arguments.at(i).c_str());
}
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): start processing", GetId(), m_sourceFile.c_str());
int m_Py_file_input = Py_file_input;
// get the global lock
PyEval_AcquireLock();
PyThreadState* state = Py_NewInterpreter();
if (state == NULL)
{
PyEval_ReleaseLock();
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): FAILED to get thread state!", GetId(), m_sourceFile.c_str());
return false;
}
// swap in my thread state
PyThreadState_Swap(state);
XBMCAddon::AddonClass::Ref<XBMCAddon::Python::PythonLanguageHook> languageHook(new XBMCAddon::Python::PythonLanguageHook(state->interp));
languageHook->RegisterMe();
onInitialization();
setState(InvokerStateInitialized);
std::string realFilename(CSpecialProtocol::TranslatePath(m_sourceFile));
if (realFilename == m_sourceFile)
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): the source file to load is \"%s\"", GetId(), m_sourceFile.c_str(), m_sourceFile.c_str());
else
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): the source file to load is \"%s\" (\"%s\")", GetId(), m_sourceFile.c_str(), m_sourceFile.c_str(), realFilename.c_str());
// get path from script file name and add python path's
// this is used for python so it will search modules from script path first
std::string scriptDir = URIUtils::GetDirectory(realFilename);
URIUtils::RemoveSlashAtEnd(scriptDir);
addPath(scriptDir);
// add all addon module dependecies to path
if (m_addon)
{
std::set<std::string> paths;
getAddonModuleDeps(m_addon, paths);
for (std::set<std::string>::const_iterator it = paths.begin(); it != paths.end(); ++it)
addPath(*it);
}
else
{ // for backwards compatibility.
// we don't have any addon so just add all addon modules installed
CLog::Log(LOGWARNING, "CPythonInvoker(%d): Script invoked without an addon. Adding all addon "
"modules installed to python path as fallback. This behaviour will be removed in future "
"version.", GetId());
ADDON::VECADDONS addons;
ADDON::CAddonMgr::Get().GetAddons(ADDON::ADDON_SCRIPT_MODULE, addons);
for (unsigned int i = 0; i < addons.size(); ++i)
addPath(CSpecialProtocol::TranslatePath(addons[i]->LibPath()));
}
// we want to use sys.path so it includes site-packages
// if this fails, default to using Py_GetPath
PyObject *sysMod(PyImport_ImportModule((char*)"sys")); // must call Py_DECREF when finished
PyObject *sysModDict(PyModule_GetDict(sysMod)); // borrowed ref, no need to delete
PyObject *pathObj(PyDict_GetItemString(sysModDict, "path")); // borrowed ref, no need to delete
if (pathObj != NULL && PyList_Check(pathObj))
{
for (int i = 0; i < PyList_Size(pathObj); i++)
{
PyObject *e = PyList_GetItem(pathObj, i); // borrowed ref, no need to delete
if (e != NULL && PyString_Check(e))
addNativePath(PyString_AsString(e)); // returns internal data, don't delete or modify
}
}
else
addNativePath(Py_GetPath());
Py_DECREF(sysMod); // release ref to sysMod
// set current directory and python's path.
if (m_argv != NULL)
PySys_SetArgv(m_argc, m_argv);
#ifdef TARGET_WINDOWS
std::string pyPathUtf8;
g_charsetConverter.systemToUtf8(m_pythonPath, pyPathUtf8, false);
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): setting the Python path to %s", GetId(), m_sourceFile.c_str(), pyPathUtf8.c_str());
#else // ! TARGET_WINDOWS
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): setting the Python path to %s", GetId(), m_sourceFile.c_str(), m_pythonPath.c_str());
#endif // ! TARGET_WINDOWS
PySys_SetPath((char *)m_pythonPath.c_str());
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): entering source directory %s", GetId(), m_sourceFile.c_str(), scriptDir.c_str());
PyObject* module = PyImport_AddModule((char*)"__main__");
PyObject* moduleDict = PyModule_GetDict(module);
// when we are done initing we store thread state so we can be aborted
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
// we need to check if we was asked to abort before we had inited
bool stopping = false;
{ CSingleLock lock(m_critical);
m_threadState = state;
stopping = m_stop;
}
PyEval_AcquireLock();
PyThreadState_Swap(state);
bool failed = false;
if (!stopping)
{
try
{
// run script from file
// We need to have python open the file because on Windows the DLL that python
// is linked against may not be the DLL that xbmc is linked against so
// passing a FILE* to python from an fopen has the potential to crash.
std::string nativeFilename(realFilename); // filename in system encoding
#ifdef TARGET_WINDOWS
if (!g_charsetConverter.utf8ToSystem(nativeFilename, true))
{
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): can't convert filename \"%s\" to system encoding", GetId(), m_sourceFile.c_str(), realFilename.c_str());
return false;
}
#endif
PyObject* file = PyFile_FromString((char *)nativeFilename.c_str(), (char*)"r");
FILE *fp = PyFile_AsFile(file);
if (fp != NULL)
{
PyObject *f = PyString_FromString(nativeFilename.c_str());
PyDict_SetItemString(moduleDict, "__file__", f);
onPythonModuleInitialization(moduleDict);
Py_DECREF(f);
setState(InvokerStateRunning);
XBMCAddon::Python::PyContext pycontext; // this is a guard class that marks this callstack as being in a python context
PyRun_FileExFlags(fp, nativeFilename.c_str(), m_Py_file_input, moduleDict, moduleDict, 1, NULL);
}
else
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): %s not found!", GetId(), m_sourceFile.c_str(), m_sourceFile.c_str());
}
catch (const XbmcCommons::Exception& e)
{
setState(InvokerStateFailed);
e.LogThrowMessage();
failed = true;
}
catch (...)
{
setState(InvokerStateFailed);
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): failure in script", GetId(), m_sourceFile.c_str());
failed = true;
}
}
bool systemExitThrown = false;
InvokerState stateToSet;
if (!failed && !PyErr_Occurred())
{
CLog::Log(LOGINFO, "CPythonInvoker(%d, %s): script successfully run", GetId(), m_sourceFile.c_str());
stateToSet = InvokerStateDone;
onSuccess();
}
else if (PyErr_ExceptionMatches(PyExc_SystemExit))
{
systemExitThrown = true;
CLog::Log(LOGINFO, "CPythonInvoker(%d, %s): script aborted", GetId(), m_sourceFile.c_str());
stateToSet = InvokerStateFailed;
onAbort();
}
else
{
stateToSet = InvokerStateFailed;
// if it failed with an exception we already logged the details
if (!failed)
{
PythonBindings::PythonToCppException e;
e.LogThrowMessage();
}
onError();
}
// no need to do anything else because the script has already stopped
if (failed)
{
setState(stateToSet);
return true;
}
PyObject *m = PyImport_AddModule((char*)"xbmc");
if (m == NULL || PyObject_SetAttrString(m, (char*)"abortRequested", PyBool_FromLong(1)))
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): failed to set abortRequested", GetId(), m_sourceFile.c_str());
// make sure all sub threads have finished
for (PyThreadState* s = state->interp->tstate_head, *old = NULL; s;)
{
if (s == state)
{
s = s->next;
continue;
}
if (old != s)
{
CLog::Log(LOGINFO, "CPythonInvoker(%d, %s): waiting on thread %" PRIu64, GetId(), m_sourceFile.c_str(), (uint64_t)s->thread_id);
old = s;
}
CPyThreadState pyState;
Sleep(100);
pyState.Restore();
s = state->interp->tstate_head;
}
// pending calls must be cleared out
XBMCAddon::RetardedAsynchCallbackHandler::clearPendingCalls(state);
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
// set stopped event - this allows ::stop to run and kill remaining threads
// this event has to be fired without holding m_critical
// also the GIL (PyEval_AcquireLock) must not be held
// if not obeyed there is still no deadlock because ::stop waits with timeout (smart one!)
m_stoppedEvent.Set();
{ CSingleLock lock(m_critical);
m_threadState = NULL;
}
PyEval_AcquireLock();
PyThreadState_Swap(state);
onDeinitialization();
// run the gc before finishing
//
// if the script exited by throwing a SystemExit excepton then going back
// into the interpreter causes this python bug to get hit:
// http://bugs.python.org/issue10582
// and that causes major failures. So we are not going to go back in
// to run the GC if that's the case.
if (!m_stop && languageHook->HasRegisteredAddonClasses() && !systemExitThrown &&
PyRun_SimpleString(GC_SCRIPT) == -1)
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): failed to run the gc to clean up after running prior to shutting down the Interpreter", GetId(), m_sourceFile.c_str());
Py_EndInterpreter(state);
// If we still have objects left around, produce an error message detailing what's been left behind
if (languageHook->HasRegisteredAddonClasses())
CLog::Log(LOGWARNING, "CPythonInvoker(%d, %s): the python script \"%s\" has left several "
"classes in memory that we couldn't clean up. The classes include: %s",
GetId(), m_sourceFile.c_str(), m_sourceFile.c_str(), getListOfAddonClassesAsString(languageHook).c_str());
// unregister the language hook
languageHook->UnregisterMe();
PyEval_ReleaseLock();
setState(stateToSet);
return true;
}
void XBPyThread::Process()
{
CLog::Log(LOGDEBUG,"Python thread: start processing");
int m_Py_file_input = Py_file_input;
// get the global lock
PyEval_AcquireLock();
PyThreadState* state = Py_NewInterpreter();
if (!state)
{
PyEval_ReleaseLock();
CLog::Log(LOGERROR,"Python thread: FAILED to get thread state!");
return;
}
// swap in my thread state
PyThreadState_Swap(state);
m_pExecuter->InitializeInterpreter();
CLog::Log(LOGDEBUG, "%s - The source file to load is %s", __FUNCTION__, m_source);
// get path from script file name and add python path's
// this is used for python so it will search modules from script path first
CStdString scriptDir;
URIUtils::GetDirectory(_P(m_source), scriptDir);
URIUtils::RemoveSlashAtEnd(scriptDir);
CStdString path = scriptDir;
// add on any addon modules the user has installed
ADDON::VECADDONS addons;
ADDON::CAddonMgr::Get().GetAddons(ADDON::ADDON_SCRIPT_MODULE, addons);
for (unsigned int i = 0; i < addons.size(); ++i)
path += PY_PATH_SEP + _P(addons[i]->LibPath());
// and add on whatever our default path is
path += PY_PATH_SEP;
{
// we want to use sys.path so it includes site-packages
// if this fails, default to using Py_GetPath
PyObject *sysMod(PyImport_ImportModule((char*)"sys")); // must call Py_DECREF when finished
PyObject *sysModDict(PyModule_GetDict(sysMod)); // borrowed ref, no need to delete
PyObject *pathObj(PyDict_GetItemString(sysModDict, "path")); // borrowed ref, no need to delete
if( pathObj && PyList_Check(pathObj) )
{
for( int i = 0; i < PyList_Size(pathObj); i++ )
{
PyObject *e = PyList_GetItem(pathObj, i); // borrowed ref, no need to delete
if( e && PyString_Check(e) )
{
path += PyString_AsString(e); // returns internal data, don't delete or modify
path += PY_PATH_SEP;
}
}
}
else
{
path += Py_GetPath();
}
Py_DECREF(sysMod); // release ref to sysMod
}
// set current directory and python's path.
if (m_argv != NULL)
PySys_SetArgv(m_argc, m_argv);
CLog::Log(LOGDEBUG, "%s - Setting the Python path to %s", __FUNCTION__, path.c_str());
PySys_SetPath((char *)path.c_str());
CLog::Log(LOGDEBUG, "%s - Entering source directory %s", __FUNCTION__, scriptDir.c_str());
PyObject* module = PyImport_AddModule((char*)"__main__");
PyObject* moduleDict = PyModule_GetDict(module);
// when we are done initing we store thread state so we can be aborted
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
// we need to check if we was asked to abort before we had inited
bool stopping = false;
{ CSingleLock lock(m_pExecuter->m_critSection);
m_threadState = state;
stopping = m_stopping;
}
PyEval_AcquireLock();
PyThreadState_Swap(state);
if (!stopping)
{
if (m_type == 'F')
{
// run script from file
// We need to have python open the file because on Windows the DLL that python
// is linked against may not be the DLL that xbmc is linked against so
// passing a FILE* to python from an fopen has the potential to crash.
PyObject* file = PyFile_FromString((char *) _P(m_source).c_str(), (char*)"r");
FILE *fp = PyFile_AsFile(file);
if (fp)
{
PyObject *f = PyString_FromString(_P(m_source).c_str());
PyDict_SetItemString(moduleDict, "__file__", f);
Py_DECREF(f);
PyRun_File(fp, _P(m_source).c_str(), m_Py_file_input, moduleDict, moduleDict);
// Get a reference to the main module
// and global dictionary
PyObject* main_module = PyImport_AddModule((char*)"__main__");
PyObject* global_dict = PyModule_GetDict(main_module);
// Extract a reference to the function "func_name"
// from the global dictionary
PyObject* expression = PyDict_GetItemString(global_dict, "xbmcclosefilehack");
if (!PyObject_CallFunction(expression,(char*)"(O)",file))
CLog::Log(LOGERROR,"Failed to close the script file %s",_P(m_source).c_str());
}
else
CLog::Log(LOGERROR, "%s not found!", m_source);
}
else
{
//run script
PyRun_String(m_source, m_Py_file_input, moduleDict, moduleDict);
}
}
if (!PyErr_Occurred())
CLog::Log(LOGINFO, "Scriptresult: Success");
else if (PyErr_ExceptionMatches(PyExc_SystemExit))
CLog::Log(LOGINFO, "Scriptresult: Aborted");
else
{
PyObject* exc_type;
PyObject* exc_value;
PyObject* exc_traceback;
PyObject* pystring;
pystring = NULL;
PyErr_Fetch(&exc_type, &exc_value, &exc_traceback);
if (exc_type == 0 && exc_value == 0 && exc_traceback == 0)
{
CLog::Log(LOGINFO, "Strange: No Python exception occured");
}
else
{
if (exc_type != NULL && (pystring = PyObject_Str(exc_type)) != NULL && (PyString_Check(pystring)))
{
PyObject *tracebackModule;
CLog::Log(LOGINFO, "-->Python script returned the following error<--");
CLog::Log(LOGERROR, "Error Type: %s", PyString_AsString(PyObject_Str(exc_type)));
if (PyObject_Str(exc_value))
CLog::Log(LOGERROR, "Error Contents: %s", PyString_AsString(PyObject_Str(exc_value)));
tracebackModule = PyImport_ImportModule((char*)"traceback");
if (tracebackModule != NULL)
{
PyObject *tbList, *emptyString, *strRetval;
tbList = PyObject_CallMethod(tracebackModule, (char*)"format_exception", (char*)"OOO", exc_type, exc_value == NULL ? Py_None : exc_value, exc_traceback == NULL ? Py_None : exc_traceback);
emptyString = PyString_FromString("");
strRetval = PyObject_CallMethod(emptyString, (char*)"join", (char*)"O", tbList);
CLog::Log(LOGERROR, "%s", PyString_AsString(strRetval));
Py_DECREF(tbList);
Py_DECREF(emptyString);
Py_DECREF(strRetval);
Py_DECREF(tracebackModule);
}
CLog::Log(LOGINFO, "-->End of Python script error report<--");
}
else
{
pystring = NULL;
CLog::Log(LOGINFO, "<unknown exception type>");
}
CGUIDialogKaiToast *pDlgToast = (CGUIDialogKaiToast*)g_windowManager.GetWindow(WINDOW_DIALOG_KAI_TOAST);
if (pDlgToast)
{
CStdString desc;
CStdString path;
CStdString script;
URIUtils::Split(m_source, path, script);
if (script.Equals("default.py"))
{
CStdString path2;
URIUtils::RemoveSlashAtEnd(path);
URIUtils::Split(path, path2, script);
}
desc.Format(g_localizeStrings.Get(2100), script);
pDlgToast->QueueNotification(CGUIDialogKaiToast::Error, g_localizeStrings.Get(257), desc);
}
}
Py_XDECREF(exc_type);
Py_XDECREF(exc_value); // caller owns all 3
Py_XDECREF(exc_traceback); // already NULL'd out
Py_XDECREF(pystring);
}
PyObject *m = PyImport_AddModule((char*)"xbmc");
if(!m || PyObject_SetAttrString(m, (char*)"abortRequested", PyBool_FromLong(1)))
CLog::Log(LOGERROR, "Scriptresult: failed to set abortRequested");
// make sure all sub threads have finished
for(PyThreadState* s = state->interp->tstate_head, *old = NULL; s;)
{
if(s == state)
{
s = s->next;
continue;
}
if(old != s)
{
CLog::Log(LOGINFO, "Scriptresult: Waiting on thread %"PRIu64, (uint64_t)s->thread_id);
old = s;
}
CPyThreadState pyState;
Sleep(100);
pyState.Restore();
s = state->interp->tstate_head;
}
// pending calls must be cleared out
PyXBMC_ClearPendingCalls(state);
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
{ CSingleLock lock(m_pExecuter->m_critSection);
m_threadState = NULL;
}
PyEval_AcquireLock();
PyThreadState_Swap(state);
m_pExecuter->DeInitializeInterpreter();
Py_EndInterpreter(state);
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
}
bool CPythonInvoker::execute(const std::string &script, const std::vector<std::string> &arguments)
{
// copy the code/script into a local string buffer
#ifdef TARGET_WINDOWS
CStdString strsrc = script;
g_charsetConverter.utf8ToSystem(strsrc);
m_source = new char[strsrc.length() + 1];
strcpy(m_source, strsrc);
#else
m_source = new char[script.length() + 1];
strcpy(m_source, script.c_str());
#endif
// copy the arguments into a local buffer
m_argc = arguments.size();
m_argv = new char*[m_argc];
for (unsigned int i = 0; i < m_argc; i++)
{
m_argv[i] = new char[arguments.at(i).length() + 1];
strcpy(m_argv[i], arguments.at(i).c_str());
}
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): start processing", GetId(), m_source);
int m_Py_file_input = Py_file_input;
// get the global lock
PyEval_AcquireLock();
PyThreadState* state = Py_NewInterpreter();
if (state == NULL)
{
PyEval_ReleaseLock();
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): FAILED to get thread state!", GetId(), m_source);
return false;
}
// swap in my thread state
PyThreadState_Swap(state);
XBMCAddon::AddonClass::Ref<XBMCAddon::Python::LanguageHook> languageHook(new XBMCAddon::Python::LanguageHook(state->interp));
languageHook->RegisterMe();
g_pythonParser.InitializeInterpreter(m_addon);
setState(InvokerStateInitialized);
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): the source file to load is %s", GetId(), m_source, m_source);
// get path from script file name and add python path's
// this is used for python so it will search modules from script path first
CStdString scriptDir;
URIUtils::GetDirectory(CSpecialProtocol::TranslatePath(m_source), scriptDir);
URIUtils::RemoveSlashAtEnd(scriptDir);
addPath(scriptDir);
// add on any addon modules the user has installed
ADDON::VECADDONS addons;
ADDON::CAddonMgr::Get().GetAddons(ADDON::ADDON_SCRIPT_MODULE, addons);
for (unsigned int i = 0; i < addons.size(); ++i)
addPath(CSpecialProtocol::TranslatePath(addons[i]->LibPath()));
// we want to use sys.path so it includes site-packages
// if this fails, default to using Py_GetPath
PyObject *sysMod(PyImport_ImportModule((char*)"sys")); // must call Py_DECREF when finished
PyObject *sysModDict(PyModule_GetDict(sysMod)); // borrowed ref, no need to delete
PyObject *pathObj(PyDict_GetItemString(sysModDict, "path")); // borrowed ref, no need to delete
if (pathObj != NULL && PyList_Check(pathObj))
{
for (int i = 0; i < PyList_Size(pathObj); i++)
{
PyObject *e = PyList_GetItem(pathObj, i); // borrowed ref, no need to delete
if (e != NULL && PyString_Check(e))
addPath(PyString_AsString(e)); // returns internal data, don't delete or modify
}
}
else
addPath(Py_GetPath());
Py_DECREF(sysMod); // release ref to sysMod
// set current directory and python's path.
if (m_argv != NULL)
PySys_SetArgv(m_argc, m_argv);
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): setting the Python path to %s", GetId(), m_source, m_pythonPath.c_str());
PySys_SetPath((char *)m_pythonPath.c_str());
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): entering source directory %s", GetId(), m_source, scriptDir.c_str());
PyObject* module = PyImport_AddModule((char*)"__main__");
PyObject* moduleDict = PyModule_GetDict(module);
// when we are done initing we store thread state so we can be aborted
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
// we need to check if we was asked to abort before we had inited
bool stopping = false;
{ CSingleLock lock(m_critical);
m_threadState = state;
stopping = m_stop;
}
PyEval_AcquireLock();
PyThreadState_Swap(state);
bool failed = false;
if (!stopping)
{
try
{
// run script from file
// We need to have python open the file because on Windows the DLL that python
// is linked against may not be the DLL that xbmc is linked against so
// passing a FILE* to python from an fopen has the potential to crash.
PyObject* file = PyFile_FromString((char *) CSpecialProtocol::TranslatePath(m_source).c_str(), (char*)"r");
FILE *fp = PyFile_AsFile(file);
if (fp != NULL)
{
PyObject *f = PyString_FromString(CSpecialProtocol::TranslatePath(m_source).c_str());
PyDict_SetItemString(moduleDict, "__file__", f);
if (m_addon.get() != NULL)
{
PyObject *pyaddonid = PyString_FromString(m_addon->ID().c_str());
PyDict_SetItemString(moduleDict, "__xbmcaddonid__", pyaddonid);
CStdString version = ADDON::GetXbmcApiVersionDependency(m_addon);
PyObject *pyxbmcapiversion = PyString_FromString(version.c_str());
PyDict_SetItemString(moduleDict, "__xbmcapiversion__", pyxbmcapiversion);
CLog::Log(LOGDEBUG, "CPythonInvoker(%d, %s): instantiating addon using automatically obtained id of \"%s\" dependent on version %s of the xbmc.python api",
GetId(), m_source, m_addon->ID().c_str(), version.c_str());
}
Py_DECREF(f);
setState(InvokerStateRunning);
XBMCAddon::Python::PyContext pycontext; // this is a guard class that marks this callstack as being in a python context
PyRun_FileExFlags(fp, CSpecialProtocol::TranslatePath(m_source).c_str(), m_Py_file_input, moduleDict, moduleDict,1,NULL);
}
else
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): %s not found!", GetId(), m_source, m_source);
}
catch (const XbmcCommons::Exception& e)
{
setState(InvokerStateFailed);
e.LogThrowMessage();
failed = true;
}
catch (...)
{
setState(InvokerStateFailed);
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): failure in script", GetId(), m_source);
failed = true;
}
}
bool systemExitThrown = false;
if (!failed && !PyErr_Occurred())
{
CLog::Log(LOGINFO, "CPythonInvoker(%d, %s): script successfully run", GetId(), m_source);
setState(InvokerStateDone);
}
else if (PyErr_ExceptionMatches(PyExc_SystemExit))
{
systemExitThrown = true;
CLog::Log(LOGINFO, "CPythonInvoker(%d, %s): script aborted", GetId(), m_source);
setState(InvokerStateFailed);
}
else
{
setState(InvokerStateFailed);
// if it failed with an exception we already logged the details
if (!failed)
{
PythonBindings::PythonToCppException e;
e.LogThrowMessage();
}
{
CPyThreadState releaseGil;
CSingleLock gc(g_graphicsContext);
CGUIDialogKaiToast *pDlgToast = (CGUIDialogKaiToast*)g_windowManager.GetWindow(WINDOW_DIALOG_KAI_TOAST);
if (pDlgToast != NULL)
{
CStdString desc;
CStdString script;
if (m_addon.get() != NULL)
script = m_addon->Name();
else
{
CStdString path;
URIUtils::Split(m_source, path, script);
if (script.Equals("default.py"))
{
CStdString path2;
URIUtils::RemoveSlashAtEnd(path);
URIUtils::Split(path, path2, script);
}
}
desc.Format(g_localizeStrings.Get(2100), script);
pDlgToast->QueueNotification(CGUIDialogKaiToast::Error, g_localizeStrings.Get(257), desc);
}
}
}
// no need to do anything else because the script has already stopped
if (failed)
return true;
PyObject *m = PyImport_AddModule((char*)"xbmc");
if (m == NULL || PyObject_SetAttrString(m, (char*)"abortRequested", PyBool_FromLong(1)))
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): failed to set abortRequested", GetId(), m_source);
// make sure all sub threads have finished
for (PyThreadState* s = state->interp->tstate_head, *old = NULL; s;)
{
if (s == state)
{
s = s->next;
continue;
}
if (old != s)
{
CLog::Log(LOGINFO, "CPythonInvoker(%d, %s): waiting on thread %"PRIu64, GetId(), m_source, (uint64_t)s->thread_id);
old = s;
}
CPyThreadState pyState;
Sleep(100);
pyState.Restore();
s = state->interp->tstate_head;
}
// pending calls must be cleared out
XBMCAddon::RetardedAsynchCallbackHandler::clearPendingCalls(state);
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
// set stopped event - this allows ::stop to run and kill remaining threads
// this event has to be fired without holding m_critical
// also the GIL (PyEval_AcquireLock) must not be held
// if not obeyed there is still no deadlock because ::stop waits with timeout (smart one!)
m_stoppedEvent.Set();
{ CSingleLock lock(m_critical);
m_threadState = NULL;
}
PyEval_AcquireLock();
PyThreadState_Swap(state);
g_pythonParser.DeInitializeInterpreter();
// run the gc before finishing
//
// if the script exited by throwing a SystemExit excepton then going back
// into the interpreter causes this python bug to get hit:
// http://bugs.python.org/issue10582
// and that causes major failures. So we are not going to go back in
// to run the GC if that's the case.
if (!m_stop && languageHook->HasRegisteredAddonClasses() && !systemExitThrown &&
PyRun_SimpleString(GC_SCRIPT) == -1)
CLog::Log(LOGERROR, "CPythonInvoker(%d, %s): failed to run the gc to clean up after running prior to shutting down the Interpreter", GetId(), m_source);
Py_EndInterpreter(state);
// If we still have objects left around, produce an error message detailing what's been left behind
if (languageHook->HasRegisteredAddonClasses())
CLog::Log(LOGWARNING, "CPythonInvoker(%d, %s): the python script \"%s\" has left several "
"classes in memory that we couldn't clean up. The classes include: %s",
GetId(), m_source, m_source, getListOfAddonClassesAsString(languageHook).c_str());
// unregister the language hook
languageHook->UnregisterMe();
PyEval_ReleaseLock();
return true;
}
