colcon integration: AMENT_PREFIX_PATH and prepend PYTHONPATH

CMakeLists.txt

@@ -239,6 +239,10 @@ install(FILES package.xml DESTINATION share/eigenpy)
 # Allows Colcon to find non-Ament packages when using workspace underlays
 file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/share/ament_index/resource_index/packages/${PROJECT_NAME} "")
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/share/ament_index/resource_index/packages/${PROJECT_NAME} DESTINATION share/ament_index/resource_index/packages)
+file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/share/${PROJECT_NAME}/hook/ament_prefix_path.dsv "prepend-non-duplicate;AMENT_PREFIX_PATH;")
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/share/${PROJECT_NAME}/hook/ament_prefix_path.dsv DESTINATION share/${PROJECT_NAME}/hook)
+file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/share/${PROJECT_NAME}/hook/python_path.dsv "prepend-non-duplicate;PYTHONPATH;${PYTHON_SITELIB}")
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/share/${PROJECT_NAME}/hook/python_path.dsv DESTINATION share/${PROJECT_NAME}/hook)
 
 # ----------------------------------------------------
 # --- PYTHON LIBRARY ---------------------------------

colcon.pkg

+{
+    "hooks": [
+        "share/eigenpy/hook/ament_prefix_path.dsv",
+        "share/eigenpy/hook/python_path.dsv"
+    ]
+}
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