fix(python): use versions available in both download sources

Windows uses python.org, Unix uses python-build-standalone (20240814).
Using 3.11.9 and 3.12.5 which exist in both sources.

Author: CalvinAllen

.github/workflows/integration-test-python.yml

@@ -40,19 +40,19 @@ jobs:
           - os: ubuntu-latest
             platform: linux
             ext: ""
-            # Use Python versions available in astral-sh/python-build-standalone release 20251031
-            version1: "3.11.14"
-            version2: "3.12.12"
+            # Use Python versions available in both python.org and python-build-standalone (20240814)
+            version1: "3.11.9"
+            version2: "3.12.5"
           - os: macos-latest
             platform: macos
             ext: ""
-            version1: "3.11.14"
-            version2: "3.12.12"
+            version1: "3.11.9"
+            version2: "3.12.5"
           - os: windows-latest
             platform: windows
             ext: ".exe"
-            version1: "3.11.14"
-            version2: "3.12.12"
+            version1: "3.11.9"
+            version2: "3.12.5"
     env:
       # Run tests from a directory outside the repo to avoid picking up .dtvem/runtimes.json
       TEST_WORKSPACE: ${{ github.workspace }}/../dtvem-test-workspace

src/runtimes/python/provider.go

@@ -260,16 +260,16 @@ func (p *Provider) getStandaloneBuildURL(version, platform, arch string) (string
 
 	// python-build-standalone uses a build date in the version
 	// The project moved from indygreg to astral-sh
-	// Using a recent build date that includes Python 3.10, 3.11, 3.12, 3.13
-	buildDate := "20251031"
+	// Using release 20240814 which has versions also available on python.org (Windows)
+	buildDate := "20240814"
 
 	// Construct archive name
-	// Format: cpython-3.11.0+20251031-x86_64-unknown-linux-gnu-install_only.tar.gz
+	// Format: cpython-3.11.9+20240814-x86_64-unknown-linux-gnu-install_only.tar.gz
 	archiveName := fmt.Sprintf("cpython-%s+%s-%s-%s-install_only.tar.gz",
 		version, buildDate, pbsArch, pbsPlatform)
 
 	// Construct download URL
-	// https://github.com/astral-sh/python-build-standalone/releases/download/20251031/cpython-...tar.gz
+	// https://github.com/astral-sh/python-build-standalone/releases/download/20240814/cpython-...tar.gz
 	downloadURL := fmt.Sprintf("https://github.com/astral-sh/python-build-standalone/releases/download/%s/%s",
 		buildDate, archiveName)