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python.cmake
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if(NOT BUILD_PYTHON)
return()
endif()
if(NOT TARGET ortools::ortools)
message(FATAL_ERROR "Python: missing ortools TARGET")
endif()
# Will need swig
find_package(SWIG REQUIRED)
include(UseSWIG)
# Generate Protobuf py sources
set(PROTO_PYS)
file(GLOB_RECURSE proto_py_files RELATIVE ${PROJECT_SOURCE_DIR}
"ortools/constraint_solver/*.proto"
"ortools/linear_solver/*.proto"
"ortools/sat/*.proto"
"ortools/util/*.proto"
)
list(REMOVE_ITEM proto_py_files "ortools/constraint_solver/demon_profiler.proto")
foreach(PROTO_FILE ${proto_py_files})
#message(STATUS "protoc proto(py): ${PROTO_FILE}")
get_filename_component(PROTO_DIR ${PROTO_FILE} DIRECTORY)
get_filename_component(PROTO_NAME ${PROTO_FILE} NAME_WE)
set(PROTO_PY ${PROJECT_BINARY_DIR}/${PROTO_DIR}/${PROTO_NAME}_pb2.py)
#message(STATUS "protoc py: ${PROTO_PY}")
add_custom_command(
OUTPUT ${PROTO_PY}
COMMAND protobuf::protoc
"--proto_path=${PROJECT_SOURCE_DIR}"
"--python_out=${PROJECT_BINARY_DIR}"
${PROTO_FILE}
DEPENDS ${PROTO_FILE} protobuf::protoc
COMMENT "Running C++ protocol buffer compiler on ${PROTO_FILE}"
VERBATIM)
list(APPEND PROTO_PYS ${PROTO_PY})
endforeach()
add_custom_target(Py${PROJECT_NAME}_proto DEPENDS ${PROTO_PYS} ortools::ortools)
# Setup Python
set(Python_ADDITIONAL_VERSIONS "3.7;3.6;3.5;2.7" CACHE STRING "Python to use for binding")
find_package(PythonInterp REQUIRED)
# Force PythonLibs to find the same version than the python interpreter.
set(Python_ADDITIONAL_VERSIONS "${PYTHON_VERSION_STRING}")
# PythonLibs require enable_language(CXX)
enable_language(CXX)
find_package(PythonLibs REQUIRED)
if(${PYTHON_VERSION_STRING} VERSION_GREATER 3)
set(CMAKE_SWIG_FLAGS "-py3;-DPY3")
endif()
# CMake will remove all '-D' prefix (i.e. -DUSE_FOO become USE_FOO)
#get_target_property(FLAGS ortools::ortools COMPILE_DEFINITIONS)
set(FLAGS -DUSE_BOP -DUSE_GLOP -DUSE_CBC -DUSE_CLP -DMUST_USE_RESULT)
list(APPEND CMAKE_SWIG_FLAGS ${FLAGS} "-I${PROJECT_SOURCE_DIR}")
foreach(SUBPROJECT constraint_solver linear_solver sat graph algorithms data)
add_subdirectory(ortools/${SUBPROJECT}/python)
endforeach()
configure_file(${PROJECT_SOURCE_DIR}/ortools/__init__.py ${PROJECT_BINARY_DIR}/ortools/ COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/__init__.py ${PROJECT_BINARY_DIR}/ortools/util COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/__init__.py ${PROJECT_BINARY_DIR}/ortools/constraint_solver/ COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/__init__.py ${PROJECT_BINARY_DIR}/ortools/linear_solver/ COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/__init__.py ${PROJECT_BINARY_DIR}/ortools/sat/ COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/__init__.py ${PROJECT_BINARY_DIR}/ortools/sat/python COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/__init__.py ${PROJECT_BINARY_DIR}/ortools/graph/ COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/__init__.py ${PROJECT_BINARY_DIR}/ortools/algorithms/ COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/__init__.py ${PROJECT_BINARY_DIR}/ortools/data/ COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/linear_solver/linear_solver_natural_api.py
${PROJECT_BINARY_DIR}/ortools/linear_solver/ COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/sat/python/cp_model.py
${PROJECT_BINARY_DIR}/ortools/sat/python COPYONLY)
configure_file(${PROJECT_SOURCE_DIR}/ortools/sat/python/visualization.py
${PROJECT_BINARY_DIR}/ortools/sat/python COPYONLY)
# To use a cmake generator expression (aka $<>), it must be processed at build time
# i.e. inside a add_custom_command()
# This command will depend on TARGET(s) in cmake generator expression
add_custom_command(OUTPUT setup.py dist ${PROJECT_NAME}.egg-info
COMMAND ${CMAKE_COMMAND} -E echo "from setuptools import dist, find_packages, setup" > setup.py
COMMAND ${CMAKE_COMMAND} -E echo "" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo "class BinaryDistribution(dist.Distribution):" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " def is_pure(self):" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " return False" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " def has_ext_modules(self):" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " return True" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo "" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo "from setuptools.command.install import install" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo "class InstallPlatlib(install):" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " def finalize_options(self):" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " install.finalize_options(self)" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " self.install_lib=self.install_platlib" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo "" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo "setup(" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " name='ortools'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " license='Apache 2.0'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " version='${PROJECT_VERSION}'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " author='Google Inc'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " author_email='[email protected]'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " description='Google OR-Tools python libraries and modules'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " long_description='read(README.txt)'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " keywords=('operations research' +" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " ', constraint programming' +" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " ', linear programming' +" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " ', flow algoritms' +" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " ', python')," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " url='https://developers.google.com/optimization/'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " download_url='https://github.com/google/or-tools/releases'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " distclass=BinaryDistribution," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " cmdclass={'install': InstallPlatlib}," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " packages=find_packages()," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " package_data={" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'ortools':[$<$<NOT:$<PLATFORM_ID:Windows>>:'.libs/*', '../$<TARGET_SONAME_FILE_NAME:ortools>'>]," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'ortools.constraint_solver':['$<TARGET_FILE_NAME:_pywrapcp>']," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'ortools.linear_solver':['$<TARGET_FILE_NAME:_pywraplp>']," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'ortools.sat':['$<TARGET_FILE_NAME:_pywrapsat>']," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'ortools.graph':['$<TARGET_FILE_NAME:_pywrapgraph>']," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'ortools.algorithms':['$<TARGET_FILE_NAME:_pywrapknapsack_solver>']," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'ortools.data':['$<TARGET_FILE_NAME:_pywraprcpsp>']," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " }," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " include_package_data=True," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " install_requires=[" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'protobuf >= ${Protobuf_VERSION}'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'six >= 1.10'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " ]," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " classifiers=[" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Development Status :: 5 - Production/Stable'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Intended Audience :: Developers'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'License :: OSI Approved :: Apache Software License'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Operating System :: POSIX :: Linux'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Operating System :: MacOS :: MacOS X'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Operating System :: Microsoft :: Windows'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Programming Language :: Python :: 2'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Programming Language :: Python :: 2.7'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Programming Language :: Python :: 3'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Programming Language :: Python :: 3.5'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Programming Language :: Python :: 3.6'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Topic :: Office/Business :: Scheduling'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Topic :: Scientific/Engineering'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Topic :: Scientific/Engineering :: Mathematics'," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " 'Topic :: Software Development :: Libraries :: Python Modules'" >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo " ]," >> setup.py
COMMAND ${CMAKE_COMMAND} -E echo ")" >> setup.py
VERBATIM)
function(search_python_module MODULE_NAME)
execute_process(
COMMAND ${PYTHON_EXECUTABLE} -c "import ${MODULE_NAME}; print(${MODULE_NAME}.__version__)"
RESULT_VARIABLE _RESULT
OUTPUT_VARIABLE MODULE_VERSION
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(${_RESULT} STREQUAL "0")
message(STATUS "Found python module: ${MODULE_NAME} (found version \"${MODULE_VERSION}\")")
else()
message(WARNING "Can't find python module \"${MODULE_NAME}\", install it using pip...")
execute_process(
COMMAND ${PYTHON_EXECUTABLE} -m pip install --user ${MODULE_NAME}
OUTPUT_STRIP_TRAILING_WHITESPACE
)
endif()
endfunction()
# Look for python module wheel
search_python_module(wheel)
# Main Target
add_custom_target(bdist ALL
DEPENDS setup.py Py${PROJECT_NAME}_proto
COMMAND ${CMAKE_COMMAND} -E remove_directory dist
COMMAND ${PYTHON_EXECUTABLE} setup.py bdist bdist_wheel
)
# Test
if(BUILD_TESTING)
# Look for python module virtualenv
search_python_module(virtualenv)
# Testing using a vitual environment
set(VENV_EXECUTABLE ${PYTHON_EXECUTABLE} -m virtualenv)
set(VENV_DIR ${CMAKE_BINARY_DIR}/venv)
if(WIN32)
set(VENV_BIN_DIR "${VENV_DIR}\\Scripts")
else()
set(VENV_BIN_DIR ${VENV_DIR}/bin)
endif()
# make a virtualenv to install our python package in it
add_custom_command(TARGET bdist POST_BUILD
COMMAND ${VENV_EXECUTABLE} -p ${PYTHON_EXECUTABLE} ${VENV_DIR}
COMMAND ${VENV_BIN_DIR}/python setup.py install
COMMAND ${CMAKE_COMMAND} -E copy
${CMAKE_CURRENT_SOURCE_DIR}/test.py.in
${VENV_DIR}/test.py
WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
# run the tests within the virtualenv
add_test(pytest_venv ${VENV_BIN_DIR}/python ${VENV_DIR}/test.py)
add_subdirectory(examples/python)
add_subdirectory(examples/notebook)
endif()