def _ReadVersionFile(self):
    """Reads the contents of the version file.

    Returns:
      A string containing the version file content or None.
    """
    project_name = self.GetName()
    if not project_name:
      logging.error(u'Missing project name.')
      return

    self._version_file_path = os.path.join(project_name, u'__init__.py')
    if not os.path.exists(self._version_file_path):
      logging.error(
          u'Missing version file: {0:s}'.format(self._version_file_path))
      return

    try:
      with open(self._version_file_path, u'rb') as file_object:
        version_file_contents = file_object.read()

    except __HOLE__ as exception:
      logging.error(
          u'Unable to read version file with error: {0:s}'.format(exception))
      return

    try:
      version_file_contents = version_file_contents.decode(u'utf-8')
    except UnicodeDecodeError as exception:
      logging.error(
          u'Unable to read version file with error: {0:s}'.format(exception))
      return

    return version_file_contents
dataset/ETHPy150Open log2timeline/dfvfs/utils/review.py/ProjectHelper._ReadVersionFile