[PyOV] Adjust wheel building for free threaded Python

cmake/developer_package/packaging/packaging.cmake

@@ -137,7 +137,11 @@ endfunction()
 function(ov_get_pyversion pyversion)
     find_package(Python3 QUIET COMPONENTS Interpreter Develoment.Module)
     if(Python3_Interpreter_FOUND)
-        set(${pyversion} "python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}" PARENT_SCOPE)
+        set(_pyversion "python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}")
+        if(Python3_SOABI AND Python3_SOABI MATCHES "cpython-[0-9]+t-")
+            set(_pyversion "${_pyversion}t")
+        endif()
+        set(${pyversion} "${_pyversion}" PARENT_SCOPE)
     else()
         set(${pyversion} "NOT-FOUND" PARENT_SCOPE)
     endif()

setup.py

@@ -25,7 +25,9 @@
 WHEEL_PACKAGE_DIR = "openvino"
 WHEEL_LIBS_INSTALL_DIR = f"{WHEEL_PACKAGE_DIR}/libs"
 WHEEL_LIBS_PACKAGE = "openvino.libs"
-PYTHON_VERSION = f"python{sys.version_info.major}.{sys.version_info.minor}"
+
+suffix = 't' if hasattr(sys, '_is_gil_enabled') and not sys._is_gil_enabled() else ''
+PYTHON_VERSION = f"python{sys.version_info.major}.{sys.version_info.minor}{suffix}"
 
 LIBS_DIR = "bin" if platform.system() == "Windows" else "lib"
 

src/bindings/python/CMakeLists.txt

@@ -215,6 +215,9 @@ add_subdirectory(src/pyopenvino)
 macro(ov_define_setup_py_packaging_vars)
     # Python3_VERSION_MAJOR and Python3_VERSION_MINOR are defined inside pybind11
     set(pyversion python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR})
+    if(Python3_SOABI AND Python3_SOABI MATCHES "cpython-[0-9]+t-")
+        set(pyversion "${pyversion}t")
+    endif()
 
     # define version (syncronize with tools/openvino_dev/CMakeLists.txt)
     if(DEFINED ENV{CI_BUILD_DEV_TAG} AND NOT "$ENV{CI_BUILD_DEV_TAG}" STREQUAL "")

src/bindings/python/src/pyopenvino/CMakeLists.txt

@@ -9,6 +9,9 @@ endif()
 
 # Python3_VERSION_MAJOR and Python3_VERSION_MINOR are defined by FindPython3
 set(pyversion python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR})
+if(Python3_SOABI AND Python3_SOABI MATCHES "cpython-[0-9]+t-")
+    set(pyversion "${pyversion}t")
+endif()
 
 if(OV_GENERATOR_MULTI_CONFIG)
     set(PYTHON_BRIDGE_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/$<CONFIG>/python/openvino)