code: def loadfile(self, filename):
      try:
          try:
              with tokenize.open(filename) as f:
                  chars = f.read()
                  fileencoding = f.encoding
                  eol_convention = f.newlines
                  converted = False
          except (UnicodeDecodeError, SyntaxError):
              # Wait for the editor window to appear
              self.editwin.text.update()
              enc = askstring(
                  "Specify file encoding",
                  "The file's encoding is invalid for Python 3.x.\n"
                  "IDLE will convert it to UTF-8.\n"
                  "What is the current encoding of the file?",
                  initialvalue="utf-8",
                  parent=self.editwin.text,
              )
              with open(filename, encoding=enc) as f:
                  chars = f.read()
                  fileencoding = f.encoding
                  eol_convention = f.newlines
                  converted = True
      except OSError as err:
          messagebox.showerror("I/O Error", str(err), parent=self.text)
          return False
      except UnicodeDecodeError:
          messagebox.showerror(
              "Decoding Error",
              "File %s\nFailed to Decode" % filename,
              parent=self.text,
          )
          return False
  
      if not isinstance(eol_convention, str):
          # If the file does not contain line separators, it is None.
          # If the file contains mixed line separators, it is a tuple.
          if eol_convention is not None:
              messagebox.showwarning(
                  "Mixed Newlines",
                  "Mixed newlines detected.\n"
                  "The file will be changed on save.",
                  parent=self.text,
              )
              converted = True
          eol_convention = os.linesep  # default
  
      self.text.delete("1.0", "end")
      self.set_filename(None)
      self.fileencoding = fileencoding
      self.eol_convention = eol_convention
      self.text.insert("1.0", chars)
      self.reset_undo()
      self.set_filename(filename)
      if converted:
          # We need to save the conversion results first
          # before being able to execute the code
          self.set_saved(False)
      self.text.mark_set("insert", "1.0")
      self.text.yview("insert")
      self.updaterecentfileslist(filename)
      return True
  
imports: import io
  import os
  import shlex
  import sys
  import tempfile
  import tokenize
  from tkinter import filedialog
  from tkinter import messagebox
  from tkinter.simpledialog import askstring
  from idlelib.config import idleConf
  from idlelib.util import py_extensions
label_desc: Use image node_id 9 for calling the IOBinding obj's underlying member method code with example usage: obj.loadfile(filename) and returns: True, False, False