Centralize python packages installation adding "install-python-packages" script

imagefiles/install-python-packages.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+set -o pipefail
+
+PYTHON=python
+while [ $# -gt 0 ]; do
+  case "$1" in
+    -python)
+      PYTHON=$2
+      shift
+      ;;
+    *)
+      echo "Usage: Usage: ${0##*/} [-python /path/to/bin/python]"
+      exit 1
+      ;;
+  esac
+  shift
+done
+
+cd /tmp
+
+curl -# -LO https://bootstrap.pypa.io/get-pip.py
+${PYTHON} get-pip.py --ignore-installed
+rm get-pip.py
+
+${PYTHON} -m pip install --ignore-installed conan