old_contents: import datetime
  import os
  
  import dotenv
  from getenv import env
  import markdown2
  import pytz
  
  root_path = os.path.dirname(os.path.realpath(__file__)) + '/../'
  dotenv.read_dotenv(os.path.join(root_path, '.env'))
  
  # See https://github.com/trentm/python-markdown2/wiki/Extras
  MARKDOWN_EXTRAS = [
      'code-friendly',
      'fenced-code-blocks',
      'smarty-pants',
      'tables',
  ]
  
  
  def prune_note_files(note_files):
      def is_valid_note(note_file):
          if '~' in note_file:
              return False
          if note_file[0] == '.':
              return False
          return True
      files = [note_file for note_file in note_files if is_valid_note(note_file)]
      return files
  
  
  def get_note_files():
      current_directory = os.path.dirname(os.path.realpath(__file__))
      notes_directory = os.path.join(current_directory, 'notes')
      files = os.listdir(notes_directory)
      files.sort(reverse=True)
      files = prune_note_files(files)
      files = [os.path.join(notes_directory, note_file) for note_file in files]
      return files
  
  
  def get_note_file_data(note_file, timezone):
      with open(note_file) as note_handle:
          note = note_handle.readlines()
      note = [line.strip() for line in note]
      if len(note) < 4 or not note[2].isdigit():
          return None
      timestamp = int(note[2])
      note_parsed = {}
      note_parsed['title'] = note[0]
      note_parsed['slug'] = note[1]
      note_parsed['time'] = datetime.datetime.fromtimestamp(
          timestamp, timezone)
      note_parsed['note'] = markdown2.markdown(
          "\n".join(note[3:]),
          extras=MARKDOWN_EXTRAS,
      )
      return note_parsed
  
  
  def get_notes():
      note_files = get_note_files()
      timezone = pytz.timezone(env('DISPLAY_TIMEZONE'))
      notes = []
      for note_file in note_files:
          note_parsed = get_note_file_data(note_file, timezone)
          if note_parsed:
              notes.append(note_parsed)
      return notes
  
  
  def get_note_from_slug(slug):
      """ Given the slug of a note, reurn the note contents """
      notes = get_notes()
      for note in notes:
          if note['slug'] == slug:
              return note
      return None
  
new_contents: import datetime
  import os
  
  import dotenv
  from getenv import env
  import markdown2
  import pytz
  
  root_path = os.path.dirname(os.path.realpath(__file__)) + '/../'
  dotenv.read_dotenv(os.path.join(root_path, '.env'))
  
  # See https://github.com/trentm/python-markdown2/wiki/Extras
  MARKDOWN_EXTRAS = [
      'code-friendly',
      'fenced-code-blocks',
      'smarty-pants',
      'tables',
  ]
  
  
  def prune_note_files(note_files):
      def is_valid_note(note_file):
          if '~' in note_file:
              return False
          if note_file[0] == '.':
              return False
          return True
      files = [note_file for note_file in note_files if is_valid_note(note_file)]
      return files
  
  
  def get_note_files():
      current_directory = os.path.dirname(os.path.realpath(__file__))
      notes_directory = os.path.join(current_directory, 'notes')
      files = os.listdir(notes_directory)
      files.sort(reverse=True)
      files = prune_note_files(files)
      files = [os.path.join(notes_directory, note_file) for note_file in files]
      return files
  
  
  def get_note_file_data(note_file, timezone):
      with open(note_file) as note_handle:
          note = note_handle.readlines()
      note = [line.strip() for line in note]
      if len(note) < 4 or not note[4].isdigit():
          return None
      note_parsed = {}
      note_parsed['title'] = note[0]
      note_parsed['slug'] = note[2]
      timestamp = int(note[4])
      note_parsed['time'] = datetime.datetime.fromtimestamp(
          timestamp, timezone)
      note_parsed['note'] = markdown2.markdown(
          "\n".join(note[6:]),
          extras=MARKDOWN_EXTRAS,
      )
      return note_parsed
  
  
  def get_notes():
      note_files = get_note_files()
      timezone = pytz.timezone(env('DISPLAY_TIMEZONE'))
      notes = []
      for note_file in note_files:
          note_parsed = get_note_file_data(note_file, timezone)
          if note_parsed:
              notes.append(note_parsed)
      return notes
  
  
  def get_note_from_slug(slug):
      """ Given the slug of a note, reurn the note contents """
      notes = get_notes()
      for note in notes:
          if note['slug'] == slug:
              return note
      return None
  
subject: Update note_util.py so that it reads the new note offsets