New tooling to create the Python 3 framework

code/tools/build_python_framework.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+#
+# Build script for Python 3 framework for Munki
+
+TOOLSDIR=$(dirname $0)
+REQUIREMENTS="${TOOLSDIR}/py3_requirements.txt"
+PYTHON_VERSION=3.7.4
+MUNKIROOT=$(dirname $(dirname "${TOOLSDIR}"))
+
+# Sanity checks.
+GIT=$(which git)
+WHICH_GIT_RESULT="$?"
+if [ "${WHICH_GIT_RESULT}" != "0" ]; then
+    echo "Could not find git in command path. Maybe it's not installed?" 1>&2
+    echo "You can get a Git package here:" 1>&2
+    echo "    https://git-scm.com/download/mac"
+    exit 1
+fi
+if [ ! -d "${MUNKIROOT}/code" ]; then
+    echo "Does not look like you are running this script from a Munki git repo." 1>&2
+    exit 1
+fi
+if [ ! -f "${REQUIREMENTS}" ]; then
+    echo "Missing requirements file at ${REQUIREMENTS}." 1>&2
+    exit 1
+fi
+
+# clone our relocatable-python tool
+PYTHONTOOLDIR="/tmp/relocatable-python-git"
+if [ -d "${PYTHONTOOLDIR}" ]; then
+    rm -rf "${PYTHONTOOLDIR}"
+fi
+echo "Cloning relocatable-python tool from github..."
+git clone https://github.com/gregneagle/relocatable-python.git "${PYTHONTOOLDIR}"
+CLONE_RESULT="$?"
+if [ "${CLONE_RESULT}" != "0" ]; then
+    echo "Error cloning relocatable-python tool repo: ${CLONE_RESULT}" 1>&2
+    exit 1
+fi
+
+# remove existing Python.framework if present
+if [ -d "${MUNKIROOT}/Python.framework" ]; then
+    rm -rf "${MUNKIROOT}/Python.framework"
+fi
+
+# build the framework
+"${PYTHONTOOLDIR}/make_relocatable_python_framework.py" \
+    --python-version "${PYTHON_VERSION}" \
+    --pip-requirements "${REQUIREMENTS}" \
+    --destination "${MUNKIROOT}"
+