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# Python dependencies
# find Python platform with/without a given path
include(cmake/multipython/FindCustomPython3)
if(SEARCH_PYTHON_PATH)
message(STATUS "PyDependences: Custom Python platform path = '${SEARCH_PYTHON_PATH}'")
find_custom_python3(PATHS "${SEARCH_PYTHON_PATH}" VERBOSE)
else()
message(STATUS "PyDependences: Using default Python platform")
find_custom_python3(DEFAULT_PATH VERBOSE)
endif()
set(pyversion ${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR})
set(pydst "${destination_root}lib/python3")
set(destination_python
"${pydst}/dist-packages/")
set(destination_pypackage ${pydst}/wheel)
message(STATUS "Python destination directory: ${destination_python}")
message(STATUS "Python package destination directory: ${destination_pypackage}")
# check presence of some Python modules
message(STATUS "Searching required Python packages...")
set(py_packages "")
if (BA_PY_PACK)
# Python packages needed for building the BornAgain wheel
list(APPEND py_packages "pip;wheel")
if(LINUX)
# on Linux, `auditwheel` is needed to produce 'manylinux' wheels repair (PEP 599)
# list(APPEND py_packages "auditwheel")
endif()
endif()
if (BA_TESTS)
# Python packages needed for tests
list(APPEND py_packages "numpy;matplotlib;lmfit;fabio")
endif()
foreach(pkg ${py_packages})
message(STATUS "Python package ${pkg}")
execute_process(
COMMAND ${Python3_EXECUTABLE} -c "import ${pkg}"
RESULT_VARIABLE PKG_FOUND)
if(NOT PKG_FOUND EQUAL 0)
message(FATAL_ERROR "Python package '${pkg}' not found")
endif()
endforeach()
# configure SWIG bindings
if(CONFIGURE_BINDINGS)
find_package(SWIG 4.2 REQUIRED)
include(${SWIG_USE_FILE})
message(STATUS "Found SWIG version ${SWIG_VERSION} at ${SWIG_EXECUTABLE} "
"with flags '${SWIG_FLAGS}'; CMake definitions in ${SWIG_USE_FILE}")
# cache SWIG-related variables
foreach(var_ SWIG_EXECUTABLE SWIG_VERSION SWIG_FLAGS SWIG_USE_FILE)
set(${var_} ${${var_}} CACHE INTERNAL "")
endforeach()
endif()
if(BA_PY_PACK)
# define the target to make a Python wheel
include(cmake/multipython/MakePythonWheel)
endif()
# install Python example scripts
install(DIRECTORY ${EXAMPLES_PUBL_DIR}
DESTINATION ${destination_share} COMPONENT Examples FILES_MATCHING PATTERN *.py )
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