code: def getVersion():
      global _cache_getVersion
      if _cache_getVersion is None:
          _cache_getVersion = grepValue(
              os.path.join(SRCDIR, "configure"), "PACKAGE_VERSION"
          )
      return _cache_getVersion
  
imports: import platform, os, sys, getopt, textwrap, shutil, stat, time, pwd, grp
label_desc: Use image node_id 3 for calling a global function with example usage: getVersion() and returns: _cache_getVersion