code: def _compile_module(self):
      # compile this C source
      tmpdir = os.path.dirname(self.sourcefilename)
      outputfilename = ffiplatform.compile(tmpdir, self.get_extension())
      try:
          same = ffiplatform.samefile(
              outputfilename, self.modulefilename
          )
      except OSError:
          same = False
      if not same:
          _ensure_dir(self.modulefilename)
          shutil.move(outputfilename, self.modulefilename)
      self._has_module = True
  
imports: import sys, os, binascii, shutil, io
  from .None import __version_verifier_modules__
  from .None import ffiplatform
  from .error import VerificationError
label_desc: Use image node_id 12 for calling the Verifier obj's underlying member method code with example usage: obj._compile_module() without return types