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Manage Python Limited API version externally.

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This commit is contained in:
Alexander Smorkalov 2024-01-09 18:08:15 +03:00
parent 43c1c81c8c
commit 2beacc07e8
5 changed files with 12 additions and 10 deletions
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1
CMakeLists.txt
View File

@ -1866,6 +1866,7 @@ if(BUILD_opencv_python3)
else() else()
status(" Libraries:" HAVE_opencv_python3 THEN "${PYTHON3_LIBRARIES}" ELSE NO) status(" Libraries:" HAVE_opencv_python3 THEN "${PYTHON3_LIBRARIES}" ELSE NO)
endif() endif()
status(" Limited API:" PYTHON3_LIMITED_API THEN "YES (ver ${PYTHON3_LIMITED_API_VERSION})" ELSE NO)
status(" numpy:" PYTHON3_NUMPY_INCLUDE_DIRS THEN "${PYTHON3_NUMPY_INCLUDE_DIRS} (ver ${PYTHON3_NUMPY_VERSION})" ELSE "NO (Python3 wrappers can not be generated)") status(" numpy:" PYTHON3_NUMPY_INCLUDE_DIRS THEN "${PYTHON3_NUMPY_INCLUDE_DIRS} (ver ${PYTHON3_NUMPY_VERSION})" ELSE "NO (Python3 wrappers can not be generated)")
status(" install path:" HAVE_opencv_python3 THEN "${__INSTALL_PATH_PYTHON3}" ELSE "-") status(" install path:" HAVE_opencv_python3 THEN "${__INSTALL_PATH_PYTHON3}" ELSE "-")
endif() endif()

6
cmake/OpenCVDetectPython.cmake
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@ -291,6 +291,12 @@ find_python("${OPENCV_PYTHON3_VERSION}" "${MIN_VER_PYTHON3}" PYTHON3_LIBRARY PYT
PYTHON3_INCLUDE_DIR PYTHON3_INCLUDE_DIR2 PYTHON3_PACKAGES_PATH PYTHON3_INCLUDE_DIR PYTHON3_INCLUDE_DIR2 PYTHON3_PACKAGES_PATH
PYTHON3_NUMPY_INCLUDE_DIRS PYTHON3_NUMPY_VERSION) PYTHON3_NUMPY_INCLUDE_DIRS PYTHON3_NUMPY_VERSION)
# Problem in numpy >=1.15 <1.17
OCV_OPTION(PYTHON3_LIMITED_API "Build with Python Limited API (not available with numpy >=1.15 <1.17)" NO
VISIBLE_IF PYTHON3_NUMPY_VERSION VERSION_LESS "1.15" OR NOT PYTHON3_NUMPY_VERSION VERSION_LESS "1.17")
if(PYTHON3_LIMITED_API)
set(PYTHON3_LIMITED_API_VERSION "0x03060000" CACHE STRING "Minimal Python version for Limited API")
endif()
if(PYTHON_DEFAULT_EXECUTABLE) if(PYTHON_DEFAULT_EXECUTABLE)
set(PYTHON_DEFAULT_AVAILABLE "TRUE") set(PYTHON_DEFAULT_AVAILABLE "TRUE")

1
modules/python/common.cmake
View File

@ -46,6 +46,7 @@ if(${PYTHON}_LIMITED_API)
# support only python3.3+ # support only python3.3+
ocv_assert(${PYTHON}_VERSION_MAJOR EQUAL 3 AND ${PYTHON}_VERSION_MINOR GREATER 2) ocv_assert(${PYTHON}_VERSION_MAJOR EQUAL 3 AND ${PYTHON}_VERSION_MINOR GREATER 2)
target_compile_definitions(${the_module} PRIVATE CVPY_DYNAMIC_INIT) target_compile_definitions(${the_module} PRIVATE CVPY_DYNAMIC_INIT)
target_compile_definitions(${the_module} PRIVATE PYTHON3_LIMITED_API_VERSION=${PYTHON3_LIMITED_API_VERSION})
if(WIN32) if(WIN32)
string(REPLACE string(REPLACE
"python${${PYTHON}_VERSION_MAJOR}${${PYTHON}_VERSION_MINOR}.lib" "python${${PYTHON}_VERSION_MAJOR}${${PYTHON}_VERSION_MINOR}.lib"

9
modules/python/python3/CMakeLists.txt
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@ -2,15 +2,6 @@ if(NOT PYTHON3_INCLUDE_PATH OR NOT PYTHON3_NUMPY_INCLUDE_DIRS)
ocv_module_disable(python3) ocv_module_disable(python3)
endif() endif()
# Problem in numpy >=1.15 <1.17
if(PYTHON3_LIMITED_API
AND NOT PYTHON3_NUMPY_VERSION VERSION_LESS "1.15"
AND PYTHON3_NUMPY_VERSION VERSION_LESS "1.17"
)
message(WARNING "Current NUMPY version (${PYTHON3_NUMPY_VERSION}) is not compatible with LIMITED_API.")
set(PYTHON3_LIMITED_API OFF)
endif()
set(the_description "The python3 bindings") set(the_description "The python3 bindings")
set(MODULE_NAME python3) set(MODULE_NAME python3)
set(MODULE_INSTALL_SUBDIR python3) set(MODULE_INSTALL_SUBDIR python3)

5
modules/python/src2/cv2.hpp
View File

@ -13,7 +13,10 @@
// #define Py_DEBUG // #define Py_DEBUG
#if defined(CVPY_DYNAMIC_INIT) && !defined(Py_DEBUG) #if defined(CVPY_DYNAMIC_INIT) && !defined(Py_DEBUG)
# define Py_LIMITED_API 0x03030000 # ifndef PYTHON3_LIMITED_API_VERSION
# define PYTHON3_LIMITED_API_VERSION 0x03060000
# endif
# define Py_LIMITED_API PYTHON3_LIMITED_API_VERSION
#endif #endif
#include <cmath> #include <cmath>