tools/release: remove Python 3.8 support

note: BTW Protobuf v31.0 do not support Python 3.8

Author: Mizux

tools/release/build_delivery_macos.sh

@@ -213,9 +213,9 @@ function build_python() {
   command -v swig | xargs echo "swig: " | tee -a build.log
 
   if [[ ${PLATFORM} == "arm64" ]]; then
-    local -r PY=(3.8 3.9 3.10 3.11 3.12 3.13)
+    local -r PY=(3.9 3.10 3.11 3.12 3.13)
   else
-    local -r PY=(3.8 3.9 3.10 3.11 3.12 3.13)
+    local -r PY=(3.9 3.10 3.11 3.12 3.13)
   fi
 
   # Check Python env

tools/release/build_delivery_win.cmd

@@ -269,7 +269,7 @@ set PATH=%userprofile%\AppData\Roaming\Python\Python3%1\Scripts;%PATH%
 ::echo "python path: %PATH%"
 GOTO :eof
 
-REM PYTHON 3.8, 3.9, 3.10, 3.11, 3.12, 3.13
+REM PYTHON 3.9, 3.10, 3.11, 3.12, 3.13
 :BUILD_PYTHON
 title Build Python
 set HASH=
@@ -279,7 +279,7 @@ echo Python build seems up to date, skipping
 exit /B 0
 )
 
-FOR %%v IN (8 9 10 11 12 13) DO (
+FOR %%v IN (9 10 11 12 13) DO (
   title Build Python 3.%%v
   echo Check python3.%%v... | tee.exe -a build.log
   which.exe "C:\python3%%v-64\python.exe" || exit 1
@@ -342,7 +342,7 @@ del /s /f /q temp_dotnet
 rmdir /s /q temp_dotnet
 del /s /f /q temp_java
 rmdir /s /q temp_java
-FOR %%v IN (8 9 10 11 12) do (
+FOR %%v IN (9 10 11 12 13) do (
   del /s /f /q temp_python3%%v
   rmdir /s /q temp_python3%%v
 )

tools/release/test_delivery_macos.sh

@@ -23,9 +23,9 @@ command -v make | xargs echo "make: " | tee -a test.log
 command -v swig | xargs echo "swig: " | tee -a test.log
 # python
 if [[ ${PLATFORM} == "arm64" ]]; then
-  local -r PY=(3.8 3.9 3.10 3.11 3.12 3.13)
+  local -r PY=(3.9 3.10 3.11 3.12 3.13)
 else
-  local -r PY=(3.8 3.9 3.10 3.11 3.12 3.13)
+  local -r PY=(3.9 3.10 3.11 3.12 3.13)
 fi
 
 for i in "${PY[@]}"; do

tools/release/test_delivery_win.cmd

@@ -11,50 +11,19 @@ make.exe print-OR_TOOLS_VERSION | tee.exe test.log
 which.exe cmake || exit 1
 which.exe cmake | tee.exe -a test.log
 REM Python
-which.exe C:\python38-64\python.exe || exit 1
-echo C:\python38-64\python.exe: FOUND | tee.exe -a test.log
 which.exe C:\python39-64\python.exe || exit 1
 echo C:\python39-64\python.exe: FOUND | tee.exe -a test.log
 which.exe C:\python310-64\python.exe || exit 1
 echo C:\python310-64\python.exe: FOUND | tee.exe -a test.log
 which.exe C:\python311-64\python.exe || exit 1
 echo C:\python311-64\python.exe: FOUND | tee.exe -a test.log
+which.exe C:\python312-64\python.exe || exit 1
+echo C:\python312-64\python.exe: FOUND | tee.exe -a test.log
+which.exe C:\python313-64\python.exe || exit 1
+echo C:\python313-64\python.exe: FOUND | tee.exe -a test.log
 
 set LOCAL_PATH=%PATH%
 
-REM ##################
-REM ##  PYTHON 3.8  ##
-REM ##################
-echo Cleaning Python... | tee.exe -a test.log
-make.exe clean_python WINDOWS_PATH_TO_PYTHON=c:\python38-64
-echo Cleaning Python...DONE | tee.exe -a test.log
-
-REM make.exe python WINDOWS_PATH_TO_PYTHON=c:\python38-64 || exit 1
-REM echo make python3.8: DONE | tee.exe -a build.log
-REM make.exe test_python WINDOWS_PATH_TO_PYTHON=c:\python38-64 || exit 1
-REM echo make test_python3.8: DONE | tee.exe -a build.log
-echo Rebuild Python3.8 pypi archive... | tee.exe -a test.log
-make.exe package_python WINDOWS_PATH_TO_PYTHON=c:\python38-64 || exit 1
-echo Rebuild Python3.8 pypi archive...DONE | tee.exe -a test.log
-
-echo Creating Python3.8 venv... | tee.exe -a test.log
-set PATH=c:\python38-64;c:\python38-64\Scripts;%PATH%
-python -m pip install virtualenv
-set TEMP_DIR=temp_python38
-python -m virtualenv %TEMP_DIR%\venv
-set PATH=%LOCAL_PATH%
-echo Creating Python3.8 venv...DONE | tee.exe -a test.log
-
-echo Installing ortools Python3.8 venv... | tee.exe -a test.log
-FOR %%i IN (%TEMP_DIR%\ortools\dist\*.whl) DO %TEMP_DIR%\venv\Scripts\python -m pip install %%i
-echo Installing ortools Python3.8 venv...DONE | tee.exe -a test.log
-
-echo Testing ortools Python3.8... | tee.exe -a test.log
-%TEMP_DIR%\venv\Scripts\python cmake\samples\python\sample.py 2>&1 | tee.exe -a test.log
-echo Testing ortools Python3.8...DONE | tee.exe -a test.log
-
-FOR %%i IN (%TEMP_DIR%\ortools\dist\*.whl) DO copy %%i .
-
 REM ##################
 REM ##  PYTHON 3.9  ##
 REM ##################