download most recent python

Author: d-w-moore

irods/test/harness/003_prc-with-py3_12_2.Dockerfile

@@ -1,10 +1,11 @@
-from install-irods
+from ssl-and-pam
 run apt update
 run apt install -y wget build-essential libssl-dev zlib1g-dev
 run apt install wget build-essential
-run wget https://www.python.org/ftp/python/3.12.2/Python-3.12.2.tar.xz
-run tar xf Python-3.12.2.tar.xz
-workdir /Python-3.12.2
+arg python_version
+run wget https://www.python.org/ftp/python/${python_version}/Python-${python_version}.tar.xz
+run tar xf Python-${python_version}.tar.xz
+workdir /Python-${python_version}
 run ./configure --prefix /root/python --with-ensurepip=install
 run make -j
 run mkdir /root/python

irods/test/harness/most_recent_python.py

@@ -0,0 +1,19 @@
+#!/bin/bash
+usage() {
+    echo >&2 "Usage:
+    $0 major.minor"
+    echo >&2 "Output:
+    prints full latest python version inclusive of the patch level."
+    exit 2
+}
+MAJOR_MINOR=$1
+if ! [[ $MAJOR_MINOR =~ [0-9]+\.[0-9]+ ]]; then
+    usage
+fi
+
+url='https://www.python.org/ftp/python/'
+
+# Fetch the directory listing, extract version numbers, sort them to find the largest numerically.
+curl --silent "$url"|\
+sed -n 's!.*href="\('${MAJOR_MINOR}'\.[0-9]\+\)/".*!\1!p'|sort -rV|\
+head -n 1