code: def get_module_code(filename):
      """Compile 'filename' and return the module code as a marshalled byte
      string.
      """
      with open(filename, "r") as fp:
          src = fp.read()
      co = compile(src, "none", "exec")
      co_bytes = marshal.dumps(co)
      return co_bytes
  
imports: import sys
  import os
  import marshal
label_desc: Use image node_id 1 for calling a global function with example usage: get_module_code(filename) and returns: co_bytes