* Containers: Added simplistic tool to dump info about Python

inside the container.

containers/simg-python-dump-info.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+#
+# Tool to dump info about the installed Python and Conda
+# stuff insided a singularity image.
+# This tool does not require root privilege.
+#
+# This does not depend on the OS distro flavor.
+#
+# Usage:
+#    simg-python-dump-info.sh  INFO_DIR  CONT_NAME  [CRUN_NAME]
+#
+# INFO_DIR is the location to dump the info files
+# CONT_NAME is the name of the container (to be used as the basenames)
+#
+# Info dumped so far:
+
+
+set -e
+
+MYSELF=$0
+MYDIR=$(dirname "$MYSELF")
+
+INFO_DIR=${1:?INFO_DIR required as arg 1}
+CONT_NAME=${2:?CONT_NAME required as arg 2}
+CRUN_NAME=$3
+
+if [ -z "$CRUN_NAME" ]; then
+    CRUN_NAME=crun.$CONT_NAME
+fi
+
+_crun () {
+    "$CRUN_NAME" "$@"
+}
+
+_crun which python > "${INFO_DIR}/python-exec"
+_crun which python3 > "${INFO_DIR}/python3-exec"
+_crun python --version > "${INFO_DIR}/python-version"
+
+_crun conda list > "${INFO_DIR}/conda-list"