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ocv_assert(NOT OPENCV_SKIP_PYTHON_LOADER)
set(PYTHON_SOURCE_DIR "${CMAKE_CURRENT_LIST_DIR}")
if(OpenCV_FOUND)
set(__loader_path "${OpenCV_BINARY_DIR}/python_loader")
message(STATUS "OpenCV Python: during development append to PYTHONPATH: ${__loader_path}")
else()
set(__loader_path "${CMAKE_BINARY_DIR}/python_loader")
endif()
set(__python_loader_install_tmp_path "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/install/python_loader/")
if(DEFINED OPENCV_PYTHON_INSTALL_PATH)
if(IS_ABSOLUTE "${OPENCV_PYTHON_INSTALL_PATH}")
set(OpenCV_PYTHON_INSTALL_PATH_RELATIVE_CONFIGCMAKE "${CMAKE_INSTALL_PREFIX}/")
set(CMAKE_PYTHON_EXTENSION_INSTALL_PATH_BASE "'${CMAKE_INSTALL_PREFIX}'")
else()
file(RELATIVE_PATH OpenCV_PYTHON_INSTALL_PATH_RELATIVE_CONFIGCMAKE "${CMAKE_INSTALL_PREFIX}/${OPENCV_PYTHON_INSTALL_PATH}/cv2" ${CMAKE_INSTALL_PREFIX})
set(CMAKE_PYTHON_EXTENSION_INSTALL_PATH_BASE "os.path.join(LOADER_DIR, '${OpenCV_PYTHON_INSTALL_PATH_RELATIVE_CONFIGCMAKE}')")
endif()
else()
set(CMAKE_PYTHON_EXTENSION_INSTALL_PATH_BASE "os.path.join(LOADER_DIR, 'not_installed')")
endif()
if(OpenCV_FOUND)
return() # Ignore "standalone" builds of Python bindings
endif()
set(PYTHON_LOADER_FILES
"setup.py" "cv2/__init__.py"
"cv2/load_config_py2.py" "cv2/load_config_py3.py"
)
foreach(fname ${PYTHON_LOADER_FILES})
get_filename_component(__dir "${fname}" DIRECTORY)
# avoid using of file(COPY) to rerun CMake on changes
configure_file("${PYTHON_SOURCE_DIR}/package/${fname}" "${__loader_path}/${fname}" COPYONLY)
if(fname STREQUAL "setup.py")
if(OPENCV_PYTHON_SETUP_PY_INSTALL_PATH)
install(FILES "${PYTHON_SOURCE_DIR}/package/${fname}" DESTINATION "${OPENCV_PYTHON_SETUP_PY_INSTALL_PATH}" COMPONENT python)
endif()
elseif(DEFINED OPENCV_PYTHON_INSTALL_PATH)
install(FILES "${PYTHON_SOURCE_DIR}/package/${fname}" DESTINATION "${OPENCV_PYTHON_INSTALL_PATH}/${__dir}" COMPONENT python)
endif()
endforeach()
if(WIN32)
if(CMAKE_GENERATOR MATCHES "Visual Studio")
list(APPEND CMAKE_PYTHON_BINARIES_PATH "'${EXECUTABLE_OUTPUT_PATH}/Release'") # TODO: CMAKE_BUILD_TYPE is not defined
else()
list(APPEND CMAKE_PYTHON_BINARIES_PATH "'${EXECUTABLE_OUTPUT_PATH}'")
endif()
else()
list(APPEND CMAKE_PYTHON_BINARIES_PATH "'${LIBRARY_OUTPUT_PATH}'")
endif()
string(REPLACE ";" ",\n " CMAKE_PYTHON_BINARIES_PATH "${CMAKE_PYTHON_BINARIES_PATH}")
configure_file("${PYTHON_SOURCE_DIR}/package/template/config.py.in" "${__loader_path}/cv2/config.py" @ONLY)
# install
if(DEFINED OPENCV_PYTHON_INSTALL_PATH)
if(WIN32)
list(APPEND CMAKE_PYTHON_BINARIES_INSTALL_PATH "os.path.join(${CMAKE_PYTHON_EXTENSION_INSTALL_PATH_BASE}, '${OPENCV_BIN_INSTALL_PATH}')")
else()
list(APPEND CMAKE_PYTHON_BINARIES_INSTALL_PATH "os.path.join(${CMAKE_PYTHON_EXTENSION_INSTALL_PATH_BASE}, '${OPENCV_LIB_INSTALL_PATH}')")
endif()
set(CMAKE_PYTHON_BINARIES_PATH "${CMAKE_PYTHON_BINARIES_INSTALL_PATH}")
if (WIN32 AND HAVE_CUDA)
if (DEFINED CUDA_TOOLKIT_ROOT_DIR)
list(APPEND CMAKE_PYTHON_BINARIES_PATH "os.path.join(os.getenv('CUDA_PATH', '${CUDA_TOOLKIT_ROOT_DIR}'), 'bin')")
endif()
endif()
string(REPLACE ";" ",\n " CMAKE_PYTHON_BINARIES_PATH "${CMAKE_PYTHON_BINARIES_PATH}")
configure_file("${PYTHON_SOURCE_DIR}/package/template/config.py.in" "${__python_loader_install_tmp_path}/cv2/config.py" @ONLY)
install(FILES "${__python_loader_install_tmp_path}/cv2/config.py" DESTINATION "${OPENCV_PYTHON_INSTALL_PATH}/cv2/" COMPONENT python)
endif()
#
# Handle Python extra code (submodules)
#
function(ocv_add_python_files_from_path search_path)
file(GLOB_RECURSE extra_py_files
RELATIVE "${search_path}"
# Plain Python code
"${search_path}/*.py"
# Type annotations
"${search_path}/*.pyi"
)
ocv_debug_message("Extra Py files for ${search_path}: ${extra_py_files}")
if(extra_py_files)
list(SORT extra_py_files)
foreach(filename ${extra_py_files})
get_filename_component(module "${filename}" DIRECTORY)
if(NOT ${module} IN_LIST extra_modules)
list(APPEND extra_modules ${module})
endif()
configure_file("${search_path}/${filename}" "${__loader_path}/cv2/${filename}" COPYONLY)
if(DEFINED OPENCV_PYTHON_INSTALL_PATH)
install(FILES "${search_path}/${filename}" DESTINATION "${OPENCV_PYTHON_INSTALL_PATH}/cv2/${module}/" COMPONENT python)
endif()
endforeach()
message(STATUS "Found '${extra_modules}' Python modules from ${search_path}")
else()
message(WARNING "Can't add Python files and modules from '${module_path}'. There is no .py or .pyi files")
endif()
endfunction()
ocv_add_python_files_from_path("${PYTHON_SOURCE_DIR}/package/extra_modules")
foreach(m ${OPENCV_MODULES_BUILD})
if (";${OPENCV_MODULE_${m}_WRAPPERS};" MATCHES ";python;" AND HAVE_${m}
AND EXISTS "${OPENCV_MODULE_${m}_LOCATION}/misc/python/package"
)
ocv_add_python_files_from_path("${OPENCV_MODULE_${m}_LOCATION}/misc/python/package")
endif()
endforeach(m)
if(NOT "${OPENCV_PYTHON_EXTRA_MODULES_PATH}" STREQUAL "")
foreach(extra_ocv_py_modules_path ${OPENCV_PYTHON_EXTRA_MODULES_PATH})
ocv_add_python_files_from_path(${extra_ocv_py_modules_path})
endforeach()
endif()
if(${PYTHON}_VERSION_STRING VERSION_GREATER "3.6" AND PYTHON_DEFAULT_VERSION VERSION_GREATER "3.6")
add_custom_target(copy_opencv_typing_stubs)
# Copy all generated stub files to python_loader directory only if
# generation succeeds, this behvoir can't be achieved with default
# CMake constructions, because failed generation produces a warning instead of
# halts on hard error.
add_custom_command(
TARGET copy_opencv_typing_stubs
COMMAND ${PYTHON_DEFAULT_EXECUTABLE} ${PYTHON_SOURCE_DIR}/src2/copy_typings_stubs_on_success.py
--stubs_dir ${OPENCV_PYTHON_BINDINGS_DIR}/cv2
--output_dir ${__loader_path}/cv2
)
if(DEFINED OPENCV_PYTHON_INSTALL_PATH)
install(DIRECTORY "${OPENCV_PYTHON_BINDINGS_DIR}/cv2" DESTINATION "${OPENCV_PYTHON_INSTALL_PATH}" COMPONENT python)
endif()
endif()
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