<div dir="ltr"><div dir="ltr"><div><div><div><div><div><div>Hello,<br><br></div>I'm trying to fix a problem with the python wrapper of my library. In my CMakeLists.txt there are the following lines:<br></div><div><br></div><div>find_package(VTK
 REQUIRED COMPONENTS vtkFiltersSources vtkIOLegacy vtkFiltersExtraction 
vtkFiltersGeometry vtkFiltersModeling vtkRenderingFreeType NO_MODULE)<br><br>include(${VTK_USE_FILE})<br></div><div><br>if(VTK_WRAP_PYTHON)<br>    find_package(PythonLibs 2.7 REQUIRED)<br><br>    if(PYTHONLIBS_FOUND)<br><br>        include_directories(${PYTHON_INCLUDE_DIRS} ${PROJECT_SOURCE_DIR})<br><br>        include(vtkWrapPython)<br><br>        vtk_wrap_python3(${PROJECT_NAME}Python ${PROJECT_NAME}Python_srcs vtkPolyDataBooleanFilter.cxx)<br><br>        add_library(${PROJECT_NAME}PythonD ${${PROJECT_NAME}Python_srcs})<br>        target_link_libraries(${PROJECT_NAME}PythonD ${PROJECT_NAME})<br><br>        add_library(${PROJECT_NAME}Python MODULE ${PROJECT_NAME}PythonInit.cxx)<br>        target_link_libraries(${PROJECT_NAME}Python ${PROJECT_NAME}PythonD)<br><br>    endif()<br>endif()<br><br></div>When
 I try to import the module into a python script, I get an import error 
about undefined symbols like PyVTKObject_Type. After a little research 
with nm I found out that the shared object is not linked to 
libvtkWrappingPython27Core. Here are the first lines of it:<br><br></div>U PyBool_FromLong<br>U PyDict_SetItemString<br>U PyErr_Occurred<br>U PyInt_FromLong<br>U PyModule_GetDict<br>U PyString_FromString<br>0000000000003020 T PyVTKAddFile_vtkPolyDataBooleanFilter<br>U PyVTKClass_New<br>U PyVTKClass_Type<br>U PyVTKClass_vtkPolyDataAlgorithmNew<br><br></div>How to fix this? There is no documentation about the the python wrapper, except <a href="https://www.vtk.org/Wiki/VTK/Python_Wrapping_FAQ" target="_blank">https://www.vtk.org/Wiki/VTK/Python_Wrapping_FAQ</a>.<br><br></div>I'm actually using VTK 6.3 and my library can be found on <a href="https://github.com/zippy84/vtkbool" target="_blank">https://github.com/zippy84/vtkbool</a>.<br><br></div>Best regards</div><div>Ronald<br></div></div>