code: def getExampleContent(self, filename):
      if filename is None:
          self.ui.codeView.clear()
          return
      if os.path.isdir(filename):
          filename = os.path.join(filename, "__main__.py")
      with open(filename, "r") as currentFile:
          text = currentFile.read()
      return text
  
imports: import keyword
  import os
  import pkgutil
  import re
  import subprocess
  import sys
  from argparse import Namespace
  from collections import OrderedDict
  from functools import lru_cache
  import pyqtgraph
  from pyqtgraph.Qt import QT_LIB, QtCore, QtGui, QtWidgets
  import exampleLoaderTemplate_generic
  import utils
label_desc: Use image node_id 15 for calling the ExampleLoader obj's underlying member method code with example usage: obj.getExampleContent(filename) and returns: text