54 lines
2.1 KiB
CMake
54 lines
2.1 KiB
CMake
# - Find the Python wrappers for Ensemble-based Reservoir Tool (ERT)
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#
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# Set the cache variable ERT_PYTHON_PATH to the install location of
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# the root ert package.
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find_package(PythonInterp)
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if(PYTHONINTERP_FOUND)
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# We try to find the ert Python distribution. This is done by running
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# Python code which tries to 'import ert' and prints out the path to
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# the module if the import succeeds.
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#
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# The normal Python import machinery is employed, so if you have
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# installed ert python in a default location, or alternatively set the
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# PYTHONPATH variable the ert Python distribution will eventually be
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# found there, independently of the alternatives which are tested with
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# the ${PATH_LIST} variable.
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if (EXISTS "/etc/debian_version")
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set( PYTHON_PACKAGE_PATH "dist-packages")
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else()
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set( PYTHON_PACKAGE_PATH "site-packages")
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endif()
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set(PYTHON_INSTALL_PREFIX "lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/${PYTHON_PACKAGE_PATH}" CACHE STRING "Subdirectory to install Python modules in")
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set(PATH_LIST)
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if (ERT_ROOT)
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list(APPEND PATH_LIST ${ERT_ROOT})
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endif()
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list(APPEND PATH_LIST ${CMAKE_PREFIX_PATH})
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# Add various popular sibling alternatives.
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list(APPEND PATH_LIST "${PROJECT_SOURCE_DIR}/../ert/build"
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"${PROJECT_BINARY_DIR}/../ert-build")
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foreach( PATH ${PATH_LIST})
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set( python_code "import sys; sys.path.insert(0 , '${PATH}/${PYTHON_INSTALL_PREFIX}'); import os.path; import inspect; import ert; print os.path.dirname(os.path.dirname(inspect.getfile(ert))); from ert.ecl import EclSum")
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execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "${python_code}"
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RESULT_VARIABLE import_result
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OUTPUT_VARIABLE stdout_output
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ERROR_VARIABLE stderr_output
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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if (${import_result} EQUAL 0)
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set( ERT_PYTHON_PATH ${stdout_output} CACHE PATH "Python path for ERT Python" )
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break()
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endif()
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endforeach()
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endif()
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find_package_handle_standard_args("ERTPython" DEFAULT_MSG ERT_PYTHON_PATH)
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