void PythonModule::initialize() throw (VoreenException) {
VoreenModule::initialize();
//
// Initialize Python interpreter
//
LINFO("Python version: " << Py_GetVersion());
// Pass program name to the Python interpreter
char str_pyvoreen[] = "PyVoreen";
Py_SetProgramName(str_pyvoreen);
// Initialize the Python interpreter. Required.
Py_InitializeEx(false);
if (!Py_IsInitialized())
throw VoreenException("Failed to initialize Python interpreter");
// required in order to use threads.
PyEval_InitThreads();
// init ResourceManager search path
addPath("");
addPath(VoreenApplication::app()->getScriptPath());
addPath(VoreenApplication::app()->getModulePath("python/scripts"));
// init Python's internal module search path
addModulePath(VoreenApplication::app()->getScriptPath());
addModulePath(VoreenApplication::app()->getModulePath("python/scripts"));
//
// Redirect script output from std::cout to voreen_print function (see above)
//
// import helper module
if (!Py_InitModule("voreen_internal", internal_methods)) {
LWARNING("Failed to init helper module 'voreen_internal'");
}
// load output redirector script and run it once
std::string filename = "outputcatcher.py";
LDEBUG("Loading Python init script '" << filename << "'");
PythonScript* initScript = load(filename);
if (initScript) {
if (!initScript->run())
LWARNING("Failed to run init script '" << filename << "': " << initScript->getLog());
dispose(initScript);
}
else {
LWARNING("Failed to load init script '" << filename << "'");
}
//
// Create actual Voreen Python bindings
//
pyVoreen_ = new PyVoreen();
}
void PyInviwo::initOutputRedirector(Python3Module* module) {
std::string directorFileName = module->getPath() + "/scripts/outputredirector.py";
if (!filesystem::fileExists(directorFileName)) {
LogError("Could not open outputredirector.py");
return;
}
std::ifstream file(directorFileName.c_str());
std::string text((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
file.close();
PythonScript outputCatcher;
outputCatcher.setSource(text);
outputCatcher.setFilename(directorFileName);
if (!outputCatcher.run(false)) {
LogWarn("Python init script failed to run");
}
}