add 3.13 support, properly support building pre-releases

Makefile

@@ -5,7 +5,7 @@ deps:
 	npm install
 
 docker-build:
-	@cd builder && docker-compose build --parallel
+	@cd builder && docker compose build --parallel
 
 AWS_ACCOUNT_ID:=$(shell aws sts get-caller-identity --output text --query 'Account')
 AWS_REGION := us-east-1
@@ -16,13 +16,13 @@ docker-push: ecr-login docker-build
 	done
 
 docker-down:
-	@cd builder && docker-compose down
+	@cd builder && docker compose down
 
 docker-build-python: docker-build
-	@cd builder && docker-compose up
+	@cd builder && docker compose up
 
 docker-shell-python-env:
-	@cd builder && docker-compose run --entrypoint /bin/bash ubuntu-2004
+	@cd builder && docker compose run --entrypoint /bin/bash ubuntu-2004
 
 ecr-login:
 	(aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin $(AWS_ACCOUNT_ID).dkr.ecr.$(AWS_REGION).amazonaws.com)

README.md

@@ -219,7 +219,7 @@ To test the Python builds locally, you can build the images:
 make docker-build
 
 # Or build the image for a single platform
-(cd builder && docker-compose build ubuntu-2004)
+(cd builder && docker compose build ubuntu-2404)
 ```
 
 Then run the build script:
@@ -228,16 +228,15 @@ Then run the build script:
 # Build Python for all platforms
 PYTHON_VERSION=3.11.9 make docker-build-python
 
+# Build pre-release version for all platforms
+PYTHON_VERSION=3.13.0rc3 make docker-build-python
+
 # Build Python for a single platform
-(cd builder && PYTHON_VERSION=3.11.9 docker-compose up ubuntu-2004)
+(cd builder && PYTHON_VERSION=3.11.9 docker compose up ubuntu-2404)
 
 # Alternatively, run the build script from within a container
-docker run -it --rm --entrypoint "/bin/bash" python-builds:ubuntu-2004
+docker run -it --rm --entrypoint "/bin/bash" python-builds:ubuntu-2404
 
 # Build Python 3.11.9
 PYTHON_VERSION=3.11.9 ./build.sh
-
-
-# Build a prerelease version of Python (e.g., alpha or beta)
-PYTHON_VERSION=rc PYTHON_TARBALL_URL=https://www.python.org/ftp/python/3.11.0/Python-3.11.0b3.tgz ./build.sh
 ```

builder/build.sh

@@ -43,13 +43,26 @@ archive_python() {
 
 # fetch_python_source() - $1 as python version
 fetch_python_source() {
-  echo "Downloading python-${1}"
-  wget -q "https://www.python.org/ftp/python/${1}/Python-${1}.tgz" -O /tmp/python-${1}.tgz
-  echo "Extracting python-${1}"
-  tar xf /tmp/python-${1}.tgz -C /tmp
-  rm /tmp/python-${1}.tgz
+  local version="$1"
+
+  # Extract base version before the release candidate identifier (if any)
+  local base_version=$(echo "$version" | sed -E 's/(rc[0-9]+)//')
+
+  # Check if the version includes 'rc' to identify release candidate versions
+  if [[ "$version" =~ rc[0-9]+ ]]; then
+    echo "Downloading Python release candidate version: python-${version}"
+    wget -q "https://www.python.org/ftp/python/${base_version}/Python-${version}.tgz" -O /tmp/python-${version}.tgz
+  else
+    echo "Downloading stable Python version: python-${version}"
+    wget -q "https://www.python.org/ftp/python/${version}/Python-${version}.tgz" -O /tmp/python-${version}.tgz
+  fi
+
+  echo "Extracting python-${version}"
+  tar xf /tmp/python-${version}.tgz -C /tmp
+  rm /tmp/python-${version}.tgz
 }
 
+
 # compile_python() - $1 as python version
 compile_python() {
   local VERSION=${1}

handler.py

@@ -6,7 +6,7 @@
 import requests
 
 PYTHON_SRC_URL = "https://www.python.org/ftp/python/"
-PYTHON_MINOR_VERSIONS = ["3.8", "3.9", "3.10", "3.11", "3.12"]
+PYTHON_MINOR_VERSIONS = ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 batch_client = boto3.client("batch", region_name="us-east-1")
 sns_client = boto3.client('sns', region_name='us-east-1')