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();
}
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;
}
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;
}
