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# Note: If the new find_package(Python3) is used in the top level CMakeLists.txt, the variable
# ${PYTHON_EXECUTABLE} is set there to ${Python3_EXECUTABLE}
#
# NOTE: The variable ${PYBIND11_SYSTEM} is set in python/CMakeLists.txt
# to the value "SYSTEM" or unset, depending on the current version of Pybind11.
# The value is then forwarded to target_include_directories(), see
#
# https://cmake.org/cmake/help/latest/command/target_include_directories.html
# https://pybind11.readthedocs.io/en/stable/compiling.html
#
pybind11_add_module(simulators ${PYBIND11_SYSTEM}
PyBlackOilSimulator.cpp
Pybind11Exporter.cpp)
set(PYTHON_OPM_SIMULATORS_PACKAGE_PATH ${PROJECT_BINARY_DIR}/python/opm/simulators)
set_target_properties( simulators PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${PYTHON_OPM_SIMULATORS_PACKAGE_PATH} )
target_sources(simulators
PRIVATE
$<TARGET_OBJECTS:moduleVersion>
$<TARGET_OBJECTS:flow_libblackoil>)
target_link_libraries( simulators PRIVATE opmsimulators )
set_target_properties( simulators PROPERTIES SKIP_BUILD_RPATH TRUE )
execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "
import site, sys
try:
sys.stdout.write(site.getsitepackages()[-1])
except e:
sys.stdout.write('')" OUTPUT_VARIABLE PYTHON_SITE_PACKAGES_PATH)
if (PYTHON_SITE_PACKAGES_PATH MATCHES ".*/dist-packages/?" AND
CMAKE_INSTALL_PREFIX MATCHES "^/usr.*")
# dist-packages is only used if we install below /usr and python's site packages
# path matches dist-packages
set(PYTHON_PACKAGE_PATH "dist-packages")
else()
set(PYTHON_PACKAGE_PATH "site-packages")
endif()
if(OPM_ENABLE_PYTHON_TESTS)
set(PYTHON_PATH ${PROJECT_BINARY_DIR}/python:${opm-common_DIR}/python:$ENV{PYTHONPATH})
# NOTE: See comment in test_basic.py for the reason why we are
# splitting the python tests into multiple add_test() tests instead
# of having a single "python -m unittest" test call that will run all
# the tests in the "test" sub directory.
add_test(NAME python_basic
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/python
COMMAND ${CMAKE_COMMAND}
-E env PYTHONPATH=${PYTHON_PATH} ${PYTHON_EXECUTABLE}
-m unittest test/test_basic.py)
add_test(NAME python_schedule
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/python
COMMAND ${CMAKE_COMMAND}
-E env PYTHONPATH=${PYTHON_PATH} ${PYTHON_EXECUTABLE}
-m unittest test/test_schedule.py)
endif()
find_file(PYTHON_INSTALL_PY install.py
PATHS ${opm-common_DIR} ${opm-common_PYTHON_COMMON_DIR}
PATH_SUFFIXES python NO_DEFAULT_PATH REQUIRED)
# NOTE: instead of using file( COPY ...) which copies the files at configure time (not at build time)
# we should add copying of the files at build time such that running "make" or "make all" will
# update the files if they have been modified. We use the install.py script in opm-common, see also
# CMakeLists.txt in opm-common
add_custom_target(copy_python ALL
COMMAND ${PYTHON_EXECUTABLE} "${PYTHON_INSTALL_PY}"
${PROJECT_SOURCE_DIR}/python/opm ${PROJECT_BINARY_DIR}/python 0
COMMAND ${PYTHON_EXECUTABLE} "${PYTHON_INSTALL_PY}"
${PROJECT_SOURCE_DIR}/python/test ${PROJECT_BINARY_DIR}/python 0
COMMAND ${PYTHON_EXECUTABLE} "${PYTHON_INSTALL_PY}"
${PROJECT_SOURCE_DIR}/python/test_data ${PROJECT_BINARY_DIR}/python 0
)
# Since the installation of Python code is nonstandard it is protected by an
# extra cmake switch, OPM_INSTALL_PYTHON. If you prefer you can still invoke
# setup.py install manually - optionally with the generated script
# setup-install.sh - and completely bypass cmake in the installation phase.
if (OPM_INSTALL_PYTHON)
include(PyInstallPrefix) # from opm-common
install(TARGETS simulators DESTINATION ${DEST_PREFIX}${CMAKE_INSTALL_PREFIX}/${PYTHON_INSTALL_PREFIX}/opm)
install(
CODE "execute_process(
COMMAND ${PYTHON_EXECUTABLE}
${PYTHON_INSTALL_PY}
${PROJECT_BINARY_DIR}/python/opm
${DEST_PREFIX}${CMAKE_INSTALL_PREFIX}/${PYTHON_INSTALL_PREFIX} 1)")
endif()
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