diff --git a/CMake/mitkMacroInstallPython.cmake b/CMake/mitkMacroInstallPython.cmake index 1028707005..3956daf8b3 100644 --- a/CMake/mitkMacroInstallPython.cmake +++ b/CMake/mitkMacroInstallPython.cmake @@ -1,154 +1,152 @@ #! This CMake macro installs the python runtime with #! all python related libraries and toolkits. Py files are #! searched one by one with a globbing expression to generate a list used #! by the mac and NSIS installer. #! #! params: #! _python_libs Returns a list of the installed libraries. Used to fixup the bundle. #! _python_dirs Returns a list with the directories containig the dependencies #! to the installed libs. #! _app_bundle App bundle name in case of a Apple bundle. #! macro(mitkMacroInstallPython _python_libs _python_dirs _app_bundle) + # find package sets the python version numbers + find_package(PythonLibs REQUIRED) + find_package(PythonInterp REQUIRED) + # set the destination bundle set(_destination bin) if(APPLE) set(_destination ${_app_bundle}) endif() if(UNIX) # apple and linux only supports .so as loadable extension set(PYTHON_LIB_SUFFIX .so) set(_python_runtime_dir lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}) else(WIN32) # windows only supports pyd as loadable extension set(PYTHON_LIB_SUFFIX .pyd) set(_python_runtime_dir Lib) endif() # install OpenCV python wrapping if(MITK_USE_OpenCV) list(APPEND _python_libs "cv2${PYTHON_LIB_SUFFIX}") if(UNIX) install(FILES "${OpenCV_DIR}/lib/cv2${PYTHON_LIB_SUFFIX}" DESTINATION ${_destination}) else() install(FILES "${OpenCV_DIR}/lib/Release/cv2${PYTHON_LIB_SUFFIX}" DESTINATION ${_destination}) endif() if(UNIX AND NOT APPLE) install(CODE "file(RPATH_REMOVE FILE \"\${CMAKE_INSTALL_PREFIX}/bin/cv2${CMAKE_SHARED_LIBRARY_SUFFIX}\")") endif() list(APPEND _python_dirs "${OpenCV_DIR}/lib") endif() # install VTK python wrapping find_package(VTK REQUIRED) set(_VTK_PYTHON_TARGETS ) # find all vtk python wrapped targets foreach(_lib ${VTK_LIBRARIES}) # exclude system libs if(${_lib} MATCHES "^vtk.+") # use only python wrapped modules ( targets end with PythonD ) if(TARGET ${_lib}PythonD) list(APPEND _VTK_PYTHON_TARGETS ${_lib}Python) endif() endif() endforeach() # install the python modules and loaders foreach(_target ${_VTK_PYTHON_TARGETS}) # get the properties of the python wrapped target if( CMAKE_BUILD_TYPE STREQUAL "Debug") get_target_property(_target_lib "${_target}D" IMPORTED_LOCATION_DEBUG) else() get_target_property(_target_lib "${_target}D" IMPORTED_LOCATION_RELEASE) endif() get_filename_component(_filepath "${_target_lib}" PATH) install(FILES "${_filepath}/${_target}${PYTHON_LIB_SUFFIX}" DESTINATION ${_destination}) if(UNIX AND NOT APPLE ) install(CODE "file(RPATH_REMOVE FILE \"\${CMAKE_INSTALL_PREFIX}/bin/${_target}${PYTHON_LIB_SUFFIX}\")") endif() list(APPEND _python_libs "${_target}${PYTHON_LIB_SUFFIX}") endforeach() # install vtk python. This folder contains all *.py and # *.pyc files for VTK module loading. # glob through all files, NSIS can't use directories file(GLOB_RECURSE item RELATIVE "${VTK_DIR}/Wrapping/Python/vtk" "${VTK_DIR}/Wrapping/Python/vtk/*.py*") foreach(f ${item}) get_filename_component(_filepath "${f}" PATH) install(FILES "${VTK_DIR}/Wrapping/Python/vtk/${f}" DESTINATION ${_destination}/Python/vtk/${_filepath}) endforeach() list(APPEND _python_dirs "${VTK_DIR}/lib") # install the python runtime from the superbuild if(NOT MITK_USE_SYSTEM_PYTHON) if(UNIX) list(APPEND _python_dirs "${Python_DIR}/lib") else() #WIN32 list(APPEND _python_dirs "${Python_DIR}/libs") list(APPEND _python_dirs "${Python_DIR}/bin") endif() file(GLOB_RECURSE item RELATIVE "${Python_DIR}/${_python_runtime_dir}" "${Python_DIR}/${_python_runtime_dir}/*") foreach(f ${item}) get_filename_component(_filepath "${f}" PATH) install(FILES "${Python_DIR}/${_python_runtime_dir}/${f}" DESTINATION ${_destination}/Python/${_python_runtime_dir}/${_filepath}) endforeach() file(GLOB_RECURSE item RELATIVE "${Python_DIR}/include" "${Python_DIR}/include/*") foreach(f ${item}) get_filename_component(_filepath "${f}" PATH) install(FILES "${Python_DIR}/include/${f}" DESTINATION ${_destination}/Python/include/${_filepath}) endforeach() # add simple itk python wrapping file to the dependency list file(GLOB_RECURSE item RELATIVE "${Python_DIR}/${_python_runtime_dir}" "${Python_DIR}/${_python_runtime_dir}/_SimpleITK${PYTHON_LIB_SUFFIX}") foreach(f ${item}) list(APPEND _python_libs "Python/${_python_runtime_dir}/${f}") if(UNIX AND NOT APPLE) install(CODE "file(RPATH_REMOVE FILE \"\${CMAKE_INSTALL_PREFIX}/bin/Python/${_python_runtime_dir}/${f}\")") endif() endforeach() else() - MESSAGE("===============================================================================") # Deploy the SimpleITK egg into the MITK installer set(_sitk_userbase_install ${SimpleITK_DIR}/Wrapping/PythonPackage/${_python_runtime_dir}/site-packages) # install everything in the userbase into Python/SimpleITK file(GLOB_RECURSE item RELATIVE "${_sitk_userbase_install}" "${_sitk_userbase_install}/*") foreach(f ${item}) - MESSAGE("ITEM:" ${f}) get_filename_component(_filepath "${f}" PATH) install(FILES "${_sitk_userbase_install}/${f}" DESTINATION ${_destination}/Python/SimpleITK/${_filepath}) - MESSAGE("source: " ${_sitk_userbase_install}/${f}) - MESSAGE("dest: " ${_destination}/Python/SimpleITK/${_filepath}) endforeach() # find and add the _SimpleITK library to the dependencies file(GLOB_RECURSE item RELATIVE "${_sitk_userbase_install}" "${_sitk_userbase_install}/_SimpleITK${PYTHON_LIB_SUFFIX}") foreach(f ${item}) list(APPEND _python_libs "Python/SimpleITK/${f}") - MESSAGE("lib:" ${f}) if(UNIX AND NOT APPLE) install(CODE "file(RPATH_REMOVE FILE \"\${CMAKE_INSTALL_PREFIX}/bin/Python/SimpleITK/${f}\")") endif() endforeach() - MESSAGE("===============================================================================") endif() list(REMOVE_DUPLICATES _python_dirs) endMacro() diff --git a/Modules/Python/mitkPythonService.cpp b/Modules/Python/mitkPythonService.cpp index 509b46eaa8..0c2f1687ba 100644 --- a/Modules/Python/mitkPythonService.cpp +++ b/Modules/Python/mitkPythonService.cpp @@ -1,637 +1,637 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include "mitkPythonService.h" #include #include #include #include #include #include "PythonPath.h" #include #include #include #include #include #ifndef WIN32 #include #endif const QString mitk::PythonService::m_TmpDataFileName("temp_mitk_data_file"); #ifdef USE_MITK_BUILTIN_PYTHON static char* pHome = NULL; #endif mitk::PythonService::PythonService() : m_ItkWrappingAvailable( true ), m_OpenCVWrappingAvailable( true ), m_VtkWrappingAvailable( true ), m_ErrorOccured( false ) { { MITK_DEBUG << "will init python if necessary"; } bool pythonInitialized = static_cast( Py_IsInitialized() ); //m_PythonManager.isPythonInitialized() ); { MITK_DEBUG << "pythonInitialized " << pythonInitialized; MITK_DEBUG << "m_PythonManager.isPythonInitialized() " << m_PythonManager.isPythonInitialized(); } // due to strange static var behaviour on windows Py_IsInitialized() returns correct value while // m_PythonManager.isPythonInitialized() does not because it has been constructed and destructed again if( !m_PythonManager.isPythonInitialized() ) { try { //TODO a better way to do this #ifndef WIN32 dlopen("libpython2.7.so", RTLD_NOW | RTLD_NOLOAD | RTLD_GLOBAL); #endif std::string programPath = mitk::IOUtil::GetProgramPath(); QDir programmDir( QString( programPath.c_str() ).append("/Python") ); QString pythonCommand; // Set the pythonpath variable depending if // we have an installer or development environment if ( programmDir.exists() ) { // runtime directory used in installers - pythonCommand.append( QString("import sys\n") ); + pythonCommand.append( QString("import site, sys\n") ); pythonCommand.append( QString("sys.path.append('')\n") ); pythonCommand.append( QString("sys.path.append('%1')\n").arg(programPath.c_str()) ); pythonCommand.append( QString("sys.path.append('%1/Python')").arg(programPath.c_str()) ); #ifndef USE_MITK_BUILTIN_PYTHON - pythonCommand.append( QString("\nsys.path.append('%1/Python/SimpleITK')").arg(programPath.c_str()) ); + pythonCommand.append( QString("\nsite.addsitedir('%1/Python/SimpleITK')").arg(programPath.c_str()) ); #endif } else { pythonCommand.append(PYTHONPATH_COMMAND); } if( pythonInitialized ) m_PythonManager.setInitializationFlags(PythonQt::RedirectStdOut|PythonQt::PythonAlreadyInitialized); else m_PythonManager.setInitializationFlags(PythonQt::RedirectStdOut); // set python home if own runtime is used #ifdef USE_MITK_BUILTIN_PYTHON QString pythonHome; if ( programmDir.exists() ) pythonHome.append(QString("%1/Python").arg(programPath.c_str())); else pythonHome.append(PYTHONHOME); if(pHome) delete[] pHome; pHome = new char[pythonHome.toStdString().length() + 1]; strcpy(pHome,pythonHome.toStdString().c_str()); Py_SetPythonHome(pHome); MITK_DEBUG("PythonService") << "PythonHome: " << pHome; #endif MITK_DEBUG("PythonService") << "initalizing python"; m_PythonManager.initialize(); #ifdef USE_MITK_BUILTIN_PYTHON PyObject* dict = PyDict_New(); // Import builtin modules if (PyDict_GetItemString(dict, "__builtins__") == NULL) { PyObject* builtinMod = PyImport_ImportModule("__builtin__"); if (builtinMod == NULL || PyDict_SetItemString(dict, "__builtins__", builtinMod) != 0) { Py_DECREF(dict); Py_XDECREF(dict); return; } Py_DECREF(builtinMod); } #endif MITK_DEBUG("PythonService")<< "Python Search paths: " << Py_GetPath(); MITK_DEBUG("PythonService") << "python initalized"; MITK_DEBUG("PythonService") << "registering python paths" << PYTHONPATH_COMMAND; m_PythonManager.executeString( pythonCommand, ctkAbstractPythonManager::FileInput ); } catch (...) { MITK_DEBUG("PythonService") << "exception initalizing python"; } } } mitk::PythonService::~PythonService() { MITK_DEBUG("mitk::PythonService") << "destructing PythonService"; #ifdef USE_MITK_BUILTIN_PYTHON if(pHome) delete[] pHome; #endif } std::string mitk::PythonService::Execute(const std::string &stdpythonCommand, int commandType) { QString pythonCommand = QString::fromStdString(stdpythonCommand); { MITK_DEBUG("mitk::PythonService") << "pythonCommand = " << pythonCommand.toStdString(); MITK_DEBUG("mitk::PythonService") << "commandType = " << commandType; } QVariant result; bool commandIssued = true; if(commandType == IPythonService::SINGLE_LINE_COMMAND ) result = m_PythonManager.executeString(pythonCommand, ctkAbstractPythonManager::SingleInput ); else if(commandType == IPythonService::MULTI_LINE_COMMAND ) result = m_PythonManager.executeString(pythonCommand, ctkAbstractPythonManager::FileInput ); else if(commandType == IPythonService::EVAL_COMMAND ) result = m_PythonManager.executeString(pythonCommand, ctkAbstractPythonManager::EvalInput ); else commandIssued = false; if(commandIssued) { this->NotifyObserver(pythonCommand.toStdString()); m_ErrorOccured = PythonQt::self()->hadError(); } return result.toString().toStdString(); } void mitk::PythonService::ExecuteScript( const std::string& pythonScript ) { m_PythonManager.executeFile(QString::fromStdString(pythonScript)); } std::vector mitk::PythonService::GetVariableStack() const { std::vector list; PyObject* dict = PyImport_GetModuleDict(); PyObject* object = PyDict_GetItemString(dict, "__main__"); PyObject* dirMain = PyObject_Dir(object); PyObject* tempObject = 0; PyObject* strTempObject = 0; if(dirMain) { std::string name, attrValue, attrType; for(int i = 0; iob_type->tp_name; strTempObject = PyObject_Repr(tempObject); if(strTempObject && ( PyUnicode_Check(strTempObject) || PyString_Check(strTempObject) ) ) attrValue = PyString_AsString(strTempObject); else attrValue = ""; mitk::PythonVariable var; var.m_Name = name; var.m_Value = attrValue; var.m_Type = attrType; list.push_back(var); } } return list; } bool mitk::PythonService::DoesVariableExist(const std::string& name) const { bool varExists = false; std::vector allVars = this->GetVariableStack(); for(unsigned int i = 0; i< allVars.size(); i++) { if( allVars.at(i).m_Name == name ) { varExists = true; break; } } return varExists; } void mitk::PythonService::AddPythonCommandObserver(mitk::PythonCommandObserver *observer) { if(!m_Observer.contains(observer)) m_Observer.append(observer); } void mitk::PythonService::RemovePythonCommandObserver(mitk::PythonCommandObserver *observer) { m_Observer.removeOne(observer); } void mitk::PythonService::NotifyObserver(const std::string &command) { MITK_DEBUG("mitk::PythonService") << "number of observer " << m_Observer.size(); for( int i=0; i< m_Observer.size(); ++i ) { m_Observer.at(i)->CommandExecuted(command); } } QString mitk::PythonService::GetTempDataFileName(const std::string& ext) const { QString tmpFolder = QDir::tempPath(); QString fileName = tmpFolder + QDir::separator() + m_TmpDataFileName + QString::fromStdString(ext); return fileName; } bool mitk::PythonService::CopyToPythonAsSimpleItkImage(mitk::Image *image, const std::string &stdvarName) { QString varName = QString::fromStdString( stdvarName ); QString command; unsigned int* imgDim = image->GetDimensions(); int npy_nd = 1; npy_intp* npy_dims = new npy_intp[1]; npy_dims[0] = imgDim[0] * imgDim[1] * imgDim[2]; // access python module PyObject *pyMod = PyImport_AddModule((char*)"__main__"); // global dictionarry PyObject *pyDict = PyModule_GetDict(pyMod); const mitk::Vector3D spacing = image->GetGeometry()->GetSpacing(); const mitk::Point3D origin = image->GetGeometry()->GetOrigin(); mitk::PixelType pixelType = image->GetPixelType(); itk::ImageIOBase::IOPixelType ioPixelType = image->GetPixelType().GetPixelType(); PyObject* npyArray = NULL; mitk::ImageReadAccessor racc(image); void* array = (void*) racc.GetData(); // default pixeltype: unsigned short NPY_TYPES npy_type = NPY_USHORT; std::string sitk_type = "sitkUInt8"; if( ioPixelType == itk::ImageIOBase::SCALAR ) { if( pixelType.GetComponentType() == itk::ImageIOBase::DOUBLE ) { npy_type = NPY_DOUBLE; sitk_type = "sitkFloat64"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::FLOAT ) { npy_type = NPY_FLOAT; sitk_type = "sitkFloat32"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::SHORT) { npy_type = NPY_SHORT; sitk_type = "sitkInt16"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::CHAR ) { npy_type = NPY_BYTE; sitk_type = "sitkInt8"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::INT ) { npy_type = NPY_INT; sitk_type = "sitkInt32"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::LONG ) { npy_type = NPY_LONG; sitk_type = "sitkInt64"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::UCHAR ) { npy_type = NPY_UBYTE; sitk_type = "sitkUInt8"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::UINT ) { npy_type = NPY_UINT; sitk_type = "sitkUInt32"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::ULONG ) { npy_type = NPY_LONG; sitk_type = "sitkUInt64"; } else if( pixelType.GetComponentType() == itk::ImageIOBase::USHORT ) { npy_type = NPY_USHORT; sitk_type = "sitkUInt16"; } } else { MITK_WARN << "not a scalar pixeltype"; return false; } // creating numpy array import_array1 (true); npyArray = PyArray_SimpleNewFromData(npy_nd,npy_dims,npy_type,array); // add temp array it to the python dictionary to access it in python code const int status = PyDict_SetItemString( pyDict,QString("%1_numpy_array") .arg(varName).toStdString().c_str(), npyArray ); // sanity check if ( status != 0 ) return false; command.append( QString("%1 = sitk.Image(%2,%3,%4,sitk.%5)\n").arg(varName) .arg(QString::number(imgDim[0])) .arg(QString::number(imgDim[1])) .arg(QString::number(imgDim[2])) .arg(QString(sitk_type.c_str())) ); command.append( QString("%1.SetSpacing([%2,%3,%4])\n").arg(varName) .arg(QString::number(spacing[0])) .arg(QString::number(spacing[1])) .arg(QString::number(spacing[2])) ); command.append( QString("%1.SetOrigin([%2,%3,%4])\n").arg(varName) .arg(QString::number(origin[0])) .arg(QString::number(origin[1])) .arg(QString::number(origin[2])) ); // directly access the cpp api from the lib command.append( QString("_SimpleITK._SetImageFromArray(%1_numpy_array,%1)\n").arg(varName) ); command.append( QString("del %1_numpy_array").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute( command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); return true; } mitk::Image::Pointer mitk::PythonService::CopySimpleItkImageFromPython(const std::string &stdvarName) { double*ds = NULL; // access python module PyObject *pyMod = PyImport_AddModule((char*)"__main__"); // global dictionarry PyObject *pyDict = PyModule_GetDict(pyMod); mitk::Image::Pointer mitkImage = mitk::Image::New(); mitk::Vector3D spacing; mitk::Point3D origin; QString command; QString varName = QString::fromStdString( stdvarName ); command.append( QString("%1_numpy_array = sitk.GetArrayFromImage(%1)\n").arg(varName) ); command.append( QString("%1_spacing = numpy.asarray(%1.GetSpacing())\n").arg(varName) ); command.append( QString("%1_origin = numpy.asarray(%1.GetOrigin())\n").arg(varName) ); command.append( QString("%1_dtype = %1_numpy_array.dtype.name").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); PyObject* py_dtype = PyDict_GetItemString(pyDict,QString("%1_dtype").arg(varName).toStdString().c_str() ); std::string dtype = PyString_AsString(py_dtype); PyArrayObject* py_data = (PyArrayObject*) PyDict_GetItemString(pyDict,QString("%1_numpy_array").arg(varName).toStdString().c_str() ); PyArrayObject* py_spacing = (PyArrayObject*) PyDict_GetItemString(pyDict,QString("%1_spacing").arg(varName).toStdString().c_str() ); PyArrayObject* py_origin = (PyArrayObject*) PyDict_GetItemString(pyDict,QString("%1_origin").arg(varName).toStdString().c_str() ); size_t sz = sizeof(short); mitk::PixelType pixelType = MakeScalarPixelType(); if( dtype.compare("float64") == 0 ) { pixelType = MakeScalarPixelType(); sz = sizeof(double); } else if( dtype.compare("float32") == 0 ) { pixelType = MakeScalarPixelType(); sz = sizeof(float); } else if( dtype.compare("int16") == 0) { pixelType = MakeScalarPixelType(); sz = sizeof(short); } else if( dtype.compare("int8") == 0 ) { pixelType = MakeScalarPixelType(); sz = sizeof(char); } else if( dtype.compare("int32") == 0 ) { pixelType = MakeScalarPixelType(); sz = sizeof(int); } else if( dtype.compare("int64") == 0 ) { pixelType = MakeScalarPixelType(); sz = sizeof(long); } else if( dtype.compare("uint8") == 0 ) { pixelType = MakeScalarPixelType(); sz = sizeof(unsigned char); } else if( dtype.compare("uint32") == 0 ) { pixelType = MakeScalarPixelType(); sz = sizeof(unsigned int); } else if( dtype.compare("uint64") == 0 ) { pixelType = MakeScalarPixelType(); sz = sizeof(unsigned long); } else if( dtype.compare("uint16") == 0 ) { pixelType = MakeScalarPixelType(); sz = sizeof(unsigned short); } unsigned int* dimensions = new unsigned int[py_data->nd]; // fill backwards , nd data saves dimensions in opposite direction for( int i = 0; i < py_data->nd; ++i ) { dimensions[i] = py_data->dimensions[py_data->nd - 1 - i]; sz *= dimensions[i]; } mitkImage->Initialize(pixelType, py_data->nd, dimensions); mitkImage->SetChannel(py_data->data); ds = (double*)py_spacing->data; spacing[0] = ds[0]; spacing[1] = ds[1]; spacing[2] = ds[2]; mitkImage->GetGeometry()->SetSpacing(spacing); ds = (double*)py_origin->data; origin[0] = ds[0]; origin[1] = ds[1]; origin[2] = ds[2]; mitkImage->GetGeometry()->SetOrigin(origin); // cleanup command.clear(); command.append( QString("del %1_numpy_array\n").arg(varName) ); command.append( QString("del %1_dtype\n").arg(varName) ); command.append( QString("del %1_spacing\n").arg(varName) ); command.append( QString("del %1_origin").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); delete[] dimensions; return mitkImage; } bool mitk::PythonService::CopyToPythonAsCvImage( mitk::Image* image, const std::string& stdvarName ) { QString varName = QString::fromStdString( stdvarName ); bool convert = false; if(image->GetDimension() != 2) { MITK_ERROR << "Only 2D images allowed for OpenCV images"; return convert; } // try to save mitk image QString fileName = this->GetTempDataFileName( ".bmp" ); fileName = QDir::fromNativeSeparators( fileName ); MITK_DEBUG("PythonService") << "Saving temporary file " << fileName.toStdString(); if( !mitk::IOUtil::SaveImage(image, fileName.toStdString()) ) { MITK_ERROR << "Temporary file " << fileName.toStdString() << " could not be created."; return convert; } QString command; command.append( QString("%1 = cv2.imread(\"%2\")\n") .arg( varName ).arg( fileName ) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); MITK_DEBUG("PythonService") << "Removing file " << fileName.toStdString(); QFile file(fileName); file.remove(); convert = true; return convert; } mitk::Image::Pointer mitk::PythonService::CopyCvImageFromPython( const std::string& stdvarName ) { QString varName = QString::fromStdString( stdvarName ); mitk::Image::Pointer mitkImage; QString command; QString fileName = GetTempDataFileName( ".bmp" ); fileName = QDir::fromNativeSeparators( fileName ); MITK_DEBUG("PythonService") << "run python command to save image with opencv to " << fileName.toStdString(); command.append( QString( "cv2.imwrite(\"%1\", %2)\n").arg( fileName ).arg( varName ) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); try { MITK_DEBUG("PythonService") << "Loading temporary file " << fileName.toStdString() << " as MITK image"; mitkImage = mitk::IOUtil::LoadImage( fileName.toStdString() ); } catch(std::exception& e) { MITK_ERROR << e.what(); } QFile file(fileName); if( file.exists() ) { MITK_DEBUG("PythonService") << "Removing temporary file " << fileName.toStdString(); file.remove(); } return mitkImage; } ctkAbstractPythonManager *mitk::PythonService::GetPythonManager() { return &m_PythonManager; } mitk::Surface::Pointer mitk::PythonService::CopyVtkPolyDataFromPython( const std::string& stdvarName ) { // access python module PyObject *pyMod = PyImport_AddModule((char*)"__main__"); // global dictionarry PyObject *pyDict = PyModule_GetDict(pyMod); // python memory address PyObject *pyAddr = NULL; // cpp address size_t addr = 0; mitk::Surface::Pointer surface = mitk::Surface::New(); QString command; QString varName = QString::fromStdString( stdvarName ); command.append( QString("%1_addr_str = %1.GetAddressAsString(\"vtkPolyData\")\n").arg(varName) ); // remove 0x from the address command.append( QString("%1_addr = int(%1_addr_str[5:],16)").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); // get address of the object pyAddr = PyDict_GetItemString(pyDict,QString("%1_addr").arg(varName).toStdString().c_str()); // convert to long addr = PyInt_AsLong(pyAddr); MITK_DEBUG << "Python object address: " << addr; // get the object vtkPolyData* poly = (vtkPolyData*)((void*)addr); surface->SetVtkPolyData(poly); // delete helper variables from python stack command = ""; command.append( QString("del %1_addr_str\n").arg(varName) ); command.append( QString("del %1_addr").arg(varName) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); return surface; } bool mitk::PythonService::CopyToPythonAsVtkPolyData( mitk::Surface* surface, const std::string& stdvarName ) { QString varName = QString::fromStdString( stdvarName ); std::ostringstream oss; std::string addr = ""; QString command; QString address; oss << (void*) ( surface->GetVtkPolyData() ); // get the address addr = oss.str(); // remove "0x" address = QString::fromStdString(addr.substr(2)); command.append( QString("%1 = vtk.vtkPolyData(\"%2\")\n").arg(varName).arg(address) ); MITK_DEBUG("PythonService") << "Issuing python command " << command.toStdString(); this->Execute(command.toStdString(), IPythonService::MULTI_LINE_COMMAND ); return true; } bool mitk::PythonService::IsSimpleItkPythonWrappingAvailable() { this->Execute( "import SimpleITK as sitk\n", IPythonService::SINGLE_LINE_COMMAND ); // directly access cpp lib this->Execute( "import _SimpleITK\n", IPythonService::SINGLE_LINE_COMMAND ); m_ItkWrappingAvailable = !this->PythonErrorOccured(); // check for numpy this->Execute( "import numpy\n", IPythonService::SINGLE_LINE_COMMAND ); if ( this->PythonErrorOccured() ) MITK_ERROR << "Numpy not found."; m_ItkWrappingAvailable = !this->PythonErrorOccured(); return m_ItkWrappingAvailable; } bool mitk::PythonService::IsOpenCvPythonWrappingAvailable() { this->Execute( "import cv2\n", IPythonService::SINGLE_LINE_COMMAND ); m_OpenCVWrappingAvailable = !this->PythonErrorOccured(); return m_OpenCVWrappingAvailable; } bool mitk::PythonService::IsVtkPythonWrappingAvailable() { this->Execute( "import vtk", IPythonService::SINGLE_LINE_COMMAND ); //this->Execute( "print \"Using VTK version \" + vtk.vtkVersion.GetVTKVersion()\n", IPythonService::SINGLE_LINE_COMMAND ); m_VtkWrappingAvailable = !this->PythonErrorOccured(); return m_VtkWrappingAvailable; } bool mitk::PythonService::PythonErrorOccured() const { return m_ErrorOccured; }