code: def finalize_filename(filename, file_format=None):
          
          for char in [' ', '/', '\\', '|', ';', ':', '\n', '\t']:
              filename = filename.replace(char, '')
  
          if file_format:
              suffix = str(file_format.value)
              if file_format.is_tiff_format() and file_format is not MimeType.TIFF:
                  suffix = str(MimeType.TIFF.value)
                  filename = '_'.join([filename, str(file_format.value).replace(';', '_')])
  
              filename = '.'.join([filename[:254 - len(suffix)], suffix])
  
          LOGGER.debug("filename=%s", filename)
  
          return filename
docs: Replaces invalid characters in filename string, adds image extension and reduces filename length
  
          :param filename: Incomplete filename string
          :type filename: str
          :param file_format: Format which will be used for filename extension
          :type file_format: MimeType
          :return: Final filename string
          :rtype: str