tools/docker: remove python 3.8 support

Author: Mizux

tools/docker/Makefile

@@ -33,10 +33,10 @@ help:
 	@echo -e "\t${BOLD}test_archives${RESET}: Test each OR-Tools archives for all ${BOLD}<distro>${RESET} and ${BOLD}<lang>${RESET}."
 	@echo
 	@echo -e "${BOLD}PYTHON TARGETS${RESET}"
-	@echo -e "\t${BOLD}python${RESET}: Build musllinux and manylinux python 'ortools' wheel packages (3.8+)."
-	@echo -e "\t${BOLD}python_<platform>${RESET}: Build all python 'ortools' wheel packages (3.8+) for a specific platform."
-	@echo -e "\t${BOLD}python_<platform>_<step>${RESET}: Build all python 'ortools' wheel packages (3.8+) for a specific platform."
-	@echo -e "\t${BOLD}python_<target>_<step>${RESET}: Build python 'ortools' wheel packages (3.8+) for a specific target."
+	@echo -e "\t${BOLD}python${RESET}: Build musllinux and manylinux python 'ortools' wheel packages (3.9+)."
+	@echo -e "\t${BOLD}python_<platform>${RESET}: Build all python 'ortools' wheel packages (3.9+) for a specific platform."
+	@echo -e "\t${BOLD}python_<platform>_<step>${RESET}: Build all python 'ortools' wheel packages (3.9+) for a specific platform."
+	@echo -e "\t${BOLD}python_<target>_<step>${RESET}: Build python 'ortools' wheel packages (3.9+) for a specific target."
 	@echo -e "\t${BOLD}save_python_<target>${RESET}: Save python 'ortools' image."
 	@echo -e "\t${BOLD}clean_python_<target>${RESET}: Clean manylinux and musllinux python 'ortools' wheel packages."
 	@echo -e "\t${BOLD}sh_python_<target>${RESET}: Run a container using the python 'ortools' image."
@@ -54,7 +54,6 @@ help:
 	@echo -e "\t\t${BOLD}manylinux${RESET} (manylinux_2_28)"
 	@echo
 	@echo -e "\t${BOLD}<version>${RESET}:"
-	@echo -e "\t\t${BOLD}38${RESET} Python3.8"
 	@echo -e "\t\t${BOLD}39${RESET} Python3.9"
 	@echo -e "\t\t${BOLD}310${RESET} Python3.10"
 	@echo -e "\t\t${BOLD}311${RESET} Python3.11"
@@ -118,7 +117,7 @@ help:
 	@echo -e "\t\t${BOLD}cpp${RESET} C++"
 	@echo -e "\t\t${BOLD}dotnet${RESET} .Net Core 3.1 and/or .Net 6.0 wrappers"
 	@echo -e "\t\t${BOLD}java${RESET} Java (JDK 8.0) wrappers"
-	@echo -e "\t\t${BOLD}python${RESET} Python 3.8+ wrappers"
+	@echo -e "\t\t${BOLD}python${RESET} Python 3.9+ wrappers"
 	@echo
 	@echo -e "\te.g. 'make sh_amd64_ubuntu-22.04_cpp_build'"
 	@echo -e "\te.g. 'make amd64_ubuntu-22.04_cpp_archive'"
@@ -204,7 +203,7 @@ cache/python: | cache
 	-mkdir $@
 
 ## MANYLINUX ##
-PYTHON_VERSIONS := 38 39 310 311 312 313
+PYTHON_VERSIONS := 39 310 311 312 313
 
 export/python/manylinux: | export/python
 	-mkdir -p $@

tools/docker/python/build-manylinux.sh

@@ -35,7 +35,7 @@ DESCRIPTION
 
 \tYou MUST define the following variables before running this script:
 \t* PLATFORM: x86_64 aarch64
-\t* PYTHON_VERSION: 3 38 39 310 311 312 313
+\t* PYTHON_VERSION: 3 39 310 311 312 313
 note: PYTHON_VERSION=3 will generate for all pythons which could take time...
 
 OPTIONS
@@ -123,7 +123,6 @@ function check_wheel() {
   # Check mypy files
   declare -a MYPY_FILES=(
     "ortools/algorithms/python/knapsack_solver.pyi"
-    "ortools/algorithms/python/set_cover.pyi"
     "ortools/constraint_solver/pywrapcp.pyi"
     "ortools/graph/python/linear_sum_assignment.pyi"
     "ortools/graph/python/max_flow.pyi"
@@ -134,6 +133,7 @@ function check_wheel() {
     "ortools/pdlp/python/pdlp.pyi"
     "ortools/sat/python/cp_model_helper.pyi"
     "ortools/scheduling/python/rcpsp.pyi"
+    "ortools/set_cover/python/set_cover.pyi"
     "ortools/util/python/sorted_interval_list.pyi"
   )
   for FILE in "${MYPY_FILES[@]}"; do
@@ -264,7 +264,7 @@ function main() {
   assert_defined PYTHON_VERSION
 
   # Setup
-  declare -a SKIPS=( "pp37-pypy37_pp73" )
+  declare -a SKIPS=( "cp38-cp38" )
 
   case ${1} in
     build)

tools/docker/python/build-musllinux.sh

@@ -35,7 +35,7 @@ DESCRIPTION
 
 \tYou MUST define the following variables before running this script:
 \t* PLATFORM: x86_64 aarch64
-\t* PYTHON_VERSION: 3 38 39 310 311 312 313
+\t* PYTHON_VERSION: 3 39 310 311 312 313
 note: PYTHON_VERSION=3 will generate for all pythons which could take time...
 
 OPTIONS
@@ -118,7 +118,6 @@ function check_wheel() {
   # Check mypy files
   declare -a MYPY_FILES=(
     "ortools/algorithms/python/knapsack_solver.pyi"
-    "ortools/algorithms/python/set_cover.pyi"
     "ortools/constraint_solver/pywrapcp.pyi"
     "ortools/graph/python/linear_sum_assignment.pyi"
     "ortools/graph/python/max_flow.pyi"
@@ -129,6 +128,7 @@ function check_wheel() {
     "ortools/pdlp/python/pdlp.pyi"
     "ortools/sat/python/cp_model_helper.pyi"
     "ortools/scheduling/python/rcpsp.pyi"
+    "ortools/set_cover/python/set_cover.pyi"
     "ortools/util/python/sorted_interval_list.pyi"
   )
   for FILE in "${MYPY_FILES[@]}"; do
@@ -255,7 +255,7 @@ function main() {
   assert_defined PYTHON_VERSION
 
   # Setup
-  declare -a SKIPS=( "cp36-cp36m" "cp37-cp37m" )
+  declare -a SKIPS=( "cp38-cp38" )
 
   case ${1} in
     build)