[Bf-blender-cvs] [ec5bbebf3ee] blender-v3.1-release: Python: bump minimum version to 3.10

[Campbell Barton]

Commit: ec5bbebf3ee165869eba5e980d22f261d4d06f68
Author: Campbell Barton
Date:   Tue Feb 22 10:16:25 2022 +1100
Branches: blender-v3.1-release
https://developer.blender.org/rBec5bbebf3ee165869eba5e980d22f261d4d06f68

Python: bump minimum version to 3.10

Since Python 3.10 is now supported on all platform,
bump the minimum version to reduce the number of Python versions that
need to be supported simultaneously.

Reviewed By: LazyDodo, sybren, mont29, brecht

Ref D13943

===================================================================

M	CMakeLists.txt
M	build_files/build_environment/install_deps.sh
M	source/blender/python/intern/bpy_capi_utils.h
M	source/blender/python/mathutils/mathutils.c

===================================================================

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f73149adc04..85a9d633d3e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -906,8 +906,8 @@ if(WITH_PYTHON)
   # Do this before main 'platform_*' checks,
   # because UNIX will search for the old Python paths which may not exist.
   # giving errors about missing paths before this case is met.
-  if(DEFINED PYTHON_VERSION AND "${PYTHON_VERSION}" VERSION_LESS "3.9")
-    message(FATAL_ERROR "At least Python 3.9 is required to build, but found Python ${PYTHON_VERSION}")
+  if(DEFINED PYTHON_VERSION AND "${PYTHON_VERSION}" VERSION_LESS "3.10")
+    message(FATAL_ERROR "At least Python 3.10 is required to build, but found Python ${PYTHON_VERSION}")
   endif()
 
   file(GLOB RESULT "${CMAKE_SOURCE_DIR}/release/scripts/addons")
diff --git a/build_files/build_environment/install_deps.sh b/build_files/build_environment/install_deps.sh
index 03a75468400..bf38f4c2928 100755
--- a/build_files/build_environment/install_deps.sh
+++ b/build_files/build_environment/install_deps.sh
@@ -381,7 +381,7 @@ CLANG_FORMAT_VERSION_MEX="10.0"
 
 PYTHON_VERSION="3.10.2"
 PYTHON_VERSION_SHORT="3.10"
-PYTHON_VERSION_MIN="3.9"
+PYTHON_VERSION_MIN="3.10"
 PYTHON_VERSION_MEX="3.12"
 PYTHON_VERSION_INSTALLED=$PYTHON_VERSION_SHORT
 PYTHON_FORCE_BUILD=false
diff --git a/source/blender/python/intern/bpy_capi_utils.h b/source/blender/python/intern/bpy_capi_utils.h
index 0889dec36c8..a3cebea3fdb 100644
--- a/source/blender/python/intern/bpy_capi_utils.h
+++ b/source/blender/python/intern/bpy_capi_utils.h
@@ -20,8 +20,8 @@
 
 #pragma once
 
-#if PY_VERSION_HEX < 0x03090000
-#  error "Python 3.9 or greater is required, you'll need to update your Python."
+#if PY_VERSION_HEX < 0x030a0000
+#  error "Python 3.10 or greater is required, you'll need to update your Python."
 #endif
 
 #ifdef __cplusplus
diff --git a/source/blender/python/mathutils/mathutils.c b/source/blender/python/mathutils/mathutils.c
index 6eee9ceebb8..22c4549575f 100644
--- a/source/blender/python/mathutils/mathutils.c
+++ b/source/blender/python/mathutils/mathutils.c
@@ -90,11 +90,7 @@ Py_hash_t mathutils_array_hash(const float *array, size_t array_len)
   x = 0x345678UL;
   i = 0;
   while (--len >= 0) {
-#if PY_VERSION_HEX >= 0x30a0000 /* Version: 3.10. */
     y = _Py_HashDouble(NULL, (double)(array[i++]));
-#else
-    y = _Py_HashDouble((double)(array[i++]));
-#endif
     if (y == -1) {
       return -1;
     }