common: convert scripts to python

getvar

@@ -1,16 +1,8 @@
-#!/usr/bin/env bash
-. "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common"
-while getopts "h${common_getopts_flags}" OPT; do
-  case "$OPT" in
-    h)
-      echo "https://github.com/cirosantilli/linux-kernel-module-cheat#getvar" 2>&1
-      exit
-      ;;
-    ?)
-      common_getopts_case "$OPT"
-      ;;
-  esac
-done
-shift "$(($OPTIND - 1))"
-common_setup
-eval "echo \$common_${1}"
+#!/usr/bin/env python3
+import common
+parser = common.get_argparse(
+    description='https://github.com/cirosantilli/linux-kernel-module-cheat#getvar'
+)
+parser.add_argument('variable')
+args = common.setup(parser)
+print(getattr(common, args.variable))