code: def make_module(self, name, pathentry=None, text=None):
      if text:
          text = dedent(text)
      if pathentry is None:
          pathentry = self.temp_dir()
      else:
          os.makedirs(pathentry, exist_ok=True)
      *subnames, basename = name.split(".")
  
      dirname = pathentry
      for subname in subnames:
          dirname = os.path.join(dirname, subname)
          if os.path.isdir(dirname):
              pass
          elif os.path.exists(dirname):
              raise Exception(dirname)
          else:
              os.mkdir(dirname)
          initfile = os.path.join(dirname, "__init__.py")
          if not os.path.exists(initfile):
              with open(initfile, "w"):
                  pass
      filename = os.path.join(dirname, basename + ".py")
  
      with open(filename, "w", encoding="utf-8") as outfile:
          outfile.write(text or "")
      return filename
  
imports: import contextlib
  import os
  import os.path
  import subprocess
  import sys
  import tempfile
  import threading
  from textwrap import dedent
  import unittest
  from test import support
  from test.support import os_helper
  from test.support import interpreters
label_desc: Use image node_id 4 for calling the TestBase obj's underlying member method code with example usage: obj.make_module(name, pathentry, text) and returns: filename