Add CMake cache option for VTK_BUILD_PYTHON_MODULE_DIR

This property allow ParaView to override the default VTK
value ($BUILD/Wrapping/Python/) to be where ParaView
expect its Python modules to be build.

Change-Id: I5c2cc016356d7a4320f9f5c999225835abcd6bb1

CMake/vtkWrapPythonSIP.cmake

@@ -94,7 +94,7 @@ function(VTK_CREATE_SIP_MODULE KIT WRAP_SRCS)
     TARGET_LINK_LIBRARIES(vtk${KIT}PythonSIP vtk${KIT}PythonD)
     get_target_property(lib_loc vtk${KIT}PythonSIP LOCATION)
     ADD_CUSTOM_COMMAND(TARGET vtk${KIT}PythonSIP POST_BUILD
-      COMMAND ${CMAKE_COMMAND} -E copy "${lib_loc}" "${VTK_BINARY_DIR}/Wrapping/Python/vtk/"
+      COMMAND ${CMAKE_COMMAND} -E copy "${lib_loc}" "${VTK_BUILD_PYTHON_MODULE_DIR}/vtk/"
       )
 
     IF(NOT VTK_INSTALL_NO_LIBRARIES)

CMakeLists.txt

@@ -119,7 +119,11 @@ if(NOT VTK_INSTALL_PYTHON_MODULE_DIR)
        PATH "Directory where python modules will be installed")
   mark_as_advanced(VTK_INSTALL_PYTHON_MODULE_DIR)
 endif()
-
+if(NOT VTK_BUILD_PYTHON_MODULE_DIR)
+  set (VTK_BUILD_PYTHON_MODULE_DIR "-NOTFOUND" CACHE
+       PATH "Directory where python modules will be put inside the build tree")
+  mark_as_advanced(VTK_BUILD_PYTHON_MODULE_DIR)
+endif()
 if (CMAKE_CROSSCOMPILING AND NOT COMPILE_TOOLS_IMPORTED)
   # if CMAKE_CROSSCOMPILING is true, we need to import build-tools targets.
   find_package(VTKCompileTools REQUIRED)

ThirdParty/AutobahnPython/CMakeLists.txt

@@ -9,11 +9,8 @@ if(NOT VTK_USE_SYSTEM_AUTOBAHN)
 
   include(vtkPythonPackages)
 
-  # Extract path where python module should be copied
-  get_property(pymodule_build_dir GLOBAL PROPERTY VTK_PYMODULE_BUILD_DIR)
-
   set(AutobahnPython_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/autobahn")
-  set(AutobahnPython_BINARY_DIR "${pymodule_build_dir}/autobahn")
+  set(AutobahnPython_BINARY_DIR "${VTK_BUILD_PYTHON_MODULE_DIR}/autobahn")
 
   build_python_package("AutobahnPython" ${AutobahnPython_SOURCE_DIR}
     ${AutobahnPython_BINARY_DIR})

ThirdParty/Twisted/CMakeLists.txt

@@ -9,11 +9,8 @@ if(NOT VTK_USE_SYSTEM_TWISTED)
 
   include(vtkPythonPackages)
 
-  # Extract path where python module should be copied
-  get_property(pymodule_build_dir GLOBAL PROPERTY VTK_PYMODULE_BUILD_DIR)
-
   set(Twisted_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/twisted")
-  set(Twisted_BINARY_DIR "${pymodule_build_dir}/twisted")
+  set(Twisted_BINARY_DIR "${VTK_BUILD_PYTHON_MODULE_DIR}/twisted")
 
   build_python_package("Twisted" ${Twisted_SOURCE_DIR} ${Twisted_BINARY_DIR})
 

ThirdParty/ZopeInterface/CMakeLists.txt

@@ -9,11 +9,8 @@ if(NOT VTK_USE_SYSTEM_ZOPE)
 
   include(vtkPythonPackages)
 
-  # Extract path where python module should be copied
-  get_property(pymodule_build_dir GLOBAL PROPERTY VTK_PYMODULE_BUILD_DIR)
-
   set(zope_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/zope")
-  set(zope_BINARY_DIR "${pymodule_build_dir}/zope")
+  set(zope_BINARY_DIR "${VTK_BUILD_PYTHON_MODULE_DIR}/zope")
 
   build_python_package("zope" ${zope_SOURCE_DIR} ${zope_BINARY_DIR})
 

Utilities/Python/CMakeLists.txt

@@ -32,5 +32,10 @@ if (NOT VTK_INSTALL_PYTHON_MODULE_DIR)
       CACHE
       PATH "Directory where python modules will be installed" FORCE)
 endif()
-set_property(GLOBAL PROPERTY VTK_PYMODULE_BUILD_DIR
-  "${VTK_BINARY_DIR}/Wrapping/Python/")
+
+if (NOT VTK_BUILD_PYTHON_MODULE_DIR)
+  set(VTK_BUILD_PYTHON_MODULE_DIR
+      "${VTK_BINARY_DIR}/Wrapping/Python"
+      CACHE
+      PATH "Directory where python modules will be built" FORCE)
+endif()

Web/Python/CMakeLists.txt

@@ -5,11 +5,8 @@ find_package(PythonInterp)
 
 include(vtkPythonPackages)
 
-# Extract path where python module should be copied
-get_property(pymodule_build_dir GLOBAL PROPERTY VTK_PYMODULE_BUILD_DIR)
-
 set(vtkWebPython_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
-set(vtkWebPython_BINARY_DIR "${pymodule_build_dir}/vtk/web")
+set(vtkWebPython_BINARY_DIR "${VTK_BUILD_PYTHON_MODULE_DIR}/vtk/web")
 
 build_python_package("vtkWebPython" ${vtkWebPython_SOURCE_DIR}
   ${vtkWebPython_BINARY_DIR})