Bugfix/access scrtipts (#3)

* Use a temporary build directory for Python module output (PickNikRobotics#303)

* Added missing gmock/gtest dependency (PickNikRobotics#304)


---------

Signed-off-by: Alejandro Hernandez Cordero <[email protected]>
Co-authored-by: Christoph Froehlich <[email protected]>

* make scripts accessible to find_program cmake function.

---------

Signed-off-by: Alejandro Hernandez Cordero <[email protected]>
Co-authored-by: Błażej Sowa <[email protected]>
Co-authored-by: Alejandro Hernández Cordero <[email protected]>
Co-authored-by: Christoph Froehlich <[email protected]>
Co-authored-by: Alexandre Arnoux <[email protected]>
Co-authored-by: alexandre-arnoux-dx <[email protected]>

Author: 5 people

example/package.xml

@@ -16,6 +16,9 @@
   <depend>rclcpp</depend>
   <depend>rclcpp_components</depend>
 
+  <test_depend>ament_cmake_gmock</test_depend>
+  <test_depend>ament_cmake_gtest</test_depend>
+
   <buildtool_depend>ament_cmake</buildtool_depend>
 
   <buildtool_export_depend>ament_cmake_core</buildtool_export_depend>

generate_parameter_library/cmake/generate_parameter_library.cmake

@@ -117,14 +117,17 @@ function(generate_parameter_module LIB_NAME YAML_FILE)
   # Set the yaml file parameter to be relative to the current source dir
   set(YAML_FILE ${CMAKE_CURRENT_SOURCE_DIR}/${YAML_FILE})
 
-  set(LIB_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include/${PROJECT_NAME})
-  file(MAKE_DIRECTORY ${LIB_INCLUDE_DIR})
+  # Create a build-local output directory for the generated Python module
+  set(PY_BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}/generate_parameter_module_temp)
+  file(MAKE_DIRECTORY ${PY_BUILD_DIR})
 
   find_package(ament_cmake_python)
   ament_get_python_install_dir(python_install_dir)
-  set(PARAM_HEADER_FILE ${CMAKE_INSTALL_PREFIX}/${python_install_dir}/${PROJECT_NAME}/${LIB_NAME}.py)
 
-  # Generate the module for the python
+  # Generate into the build tree, not into CMAKE_INSTALL_PREFIX
+  set(PARAM_HEADER_FILE ${PY_BUILD_DIR}/${LIB_NAME}.py)
+
+  # Generate the module for Python
   add_custom_command(
           OUTPUT ${PARAM_HEADER_FILE}
           COMMAND ${generate_parameter_library_python_BIN} ${PARAM_HEADER_FILE} ${YAML_FILE} ${VALIDATE_HEADER_FILENAME}
@@ -141,6 +144,8 @@ function(generate_parameter_module LIB_NAME YAML_FILE)
       $<INSTALL_INTERFACE:include>
   )
 
+  # Install the generated module into the Python site-packages dir
+  install(FILES ${PARAM_HEADER_FILE} DESTINATION ${CMAKE_INSTALL_PREFIX}/${python_install_dir}/${PROJECT_NAME})
 endfunction()
 
 # create custom test function to pass yaml file into test main

generate_parameter_library_py/CMakeLists.txt

@@ -21,7 +21,7 @@ install(PROGRAMS
   scripts/generate_parameter_library_cpp
   scripts/generate_parameter_library_python
   scripts/generate_parameter_library_markdown
-  DESTINATION lib/${PROJECT_NAME}
+  DESTINATION bin
 )
 
 # Standard ROS package installs