Open Source Computer Vision Library https://opencv.org/
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set(MODULE_NAME "python_bindings_generator")
ocv_add_module(${MODULE_NAME} INTERNAL)
set(OPENCV_PYTHON_SIGNATURES_FILE "${CMAKE_CURRENT_BINARY_DIR}/pyopencv_signatures.json" CACHE INTERNAL "")
set(OPENCV_PYTHON_BINDINGS_DIR "${CMAKE_CURRENT_BINARY_DIR}" CACHE INTERNAL "")
# This file is included from a subdirectory
set(PYTHON_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../")
# get list of modules to wrap
set(OPENCV_PYTHON_MODULES)
foreach(m ${OPENCV_MODULES_BUILD})
if (";${OPENCV_MODULE_${m}_WRAPPERS};" MATCHES ";${MODULE_NAME};" AND HAVE_${m})
list(APPEND OPENCV_PYTHON_MODULES ${m})
#message(STATUS "\t${m}")
endif()
endforeach()
set(opencv_hdrs "")
set(opencv_userdef_hdrs "")
foreach(m ${OPENCV_PYTHON_MODULES})
list(APPEND opencv_hdrs ${OPENCV_MODULE_${m}_HEADERS})
file(GLOB userdef_hdrs ${OPENCV_MODULE_${m}_LOCATION}/misc/python/pyopencv*.hpp)
list(APPEND opencv_userdef_hdrs ${userdef_hdrs})
endforeach(m)
# header blacklist
ocv_list_filterout(opencv_hdrs "modules/.*\\\\.h$")
ocv_list_filterout(opencv_hdrs "modules/core/.*/cuda")
ocv_list_filterout(opencv_hdrs "modules/cuda.*")
ocv_list_filterout(opencv_hdrs "modules/cudev")
ocv_list_filterout(opencv_hdrs "modules/core/.*/hal/")
ocv_list_filterout(opencv_hdrs "modules/.+/utils/.*")
ocv_list_filterout(opencv_hdrs "modules/.*\\\\.inl\\\\.h*")
ocv_list_filterout(opencv_hdrs "modules/.*_inl\\\\.h*")
ocv_list_filterout(opencv_hdrs "modules/.*\\\\.details\\\\.h*")
ocv_list_filterout(opencv_hdrs "modules/.*/detection_based_tracker\\\\.hpp") # Conditional compilation
set(cv2_generated_hdrs
"${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_include.h"
"${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_funcs.h"
"${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_types.h"
"${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_type_reg.h"
"${CMAKE_CURRENT_BINARY_DIR}/pyopencv_generated_ns_reg.h"
)
set(cv2_generated_files ${cv2_generated_hdrs}
"${OPENCV_PYTHON_SIGNATURES_FILE}"
)
string(REPLACE ";" "\n" opencv_hdrs_ "${opencv_hdrs}")
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/headers.txt" "${opencv_hdrs_}")
add_custom_command(
OUTPUT ${cv2_generated_files}
COMMAND ${PYTHON_DEFAULT_EXECUTABLE} "${PYTHON_SOURCE_DIR}/src2/gen2.py" ${CMAKE_CURRENT_BINARY_DIR} "${CMAKE_CURRENT_BINARY_DIR}/headers.txt"
DEPENDS ${PYTHON_SOURCE_DIR}/src2/gen2.py
DEPENDS ${PYTHON_SOURCE_DIR}/src2/hdr_parser.py
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/headers.txt
DEPENDS ${opencv_hdrs}
COMMENT "Generate files for Python bindings and documentation"
)
add_custom_target(gen_opencv_python_source DEPENDS ${cv2_generated_files})
set(cv2_custom_hdr "${CMAKE_CURRENT_BINARY_DIR}/pyopencv_custom_headers.h")
file(WRITE ${cv2_custom_hdr} "//user-defined headers\n")
foreach(uh ${opencv_userdef_hdrs})
file(APPEND ${cv2_custom_hdr} "#include \"${uh}\"\n")
endforeach(uh)