text: """ Holds any run parameters and in future will be able to load new ones from
   a par file
  """
  
  import os.path
  import urllib
  
  import numpy as np
  
  _rootdir = os.path.dirname(__file__)  # get current directory location
  _data_dir = os.path.join(_rootdir, 'data')
  
  
  class WayneDataError(Exception):
      pass
  
  
  # darks, flats etc
  files_location = os.path.abspath(os.path.dirname(__file__))
  files_directory_path = os.path.join(files_location, 'wayne_calibration_files')
  calibration_last_update_file_path = os.path.join(files_directory_path,
                                                   'last_update_calibration.txt')
  calibration_zip_file_path = os.path.join(files_location,
                                           'wayne_calibration_files.zip')
  calibration_directory_path = files_directory_path
  calibration_url = 'http://zuserver2.star.ucl.ac.uk/~atsiaras/' \
                    'wayne_calibration_files.zip'
  calibration_last_update = 20170410
  
  # update calibration files
  
  calibration_update = False
  if not os.path.isdir(files_directory_path):
      calibration_update = True
  elif not os.path.isfile(calibration_last_update_file_path):
      calibration_update = True
  elif int(open(calibration_last_update_file_path).readlines()[
               0]) < calibration_last_update:
      calibration_update = True
  
  if calibration_update:
      try:
          print '\nDownloading calibration files...'
  
          if os.path.isdir(calibration_directory_path):
              os.system('rm -rf {0}'.format(calibration_directory_path))
  
          urllib.urlretrieve(calibration_url, calibration_zip_file_path)
  
          os.system('unzip {0} -d {1}{2}'.format(calibration_zip_file_path,
                                                 files_location, os.sep))
          os.system('rm {0}'.format(calibration_zip_file_path))
          os.system('rm -rf {0}{1}__MACOSX'.format(files_location, os.sep))
  
      except IOError:
          raise WayneDataError('Failed to update wayne calibration files.')
  
  _calb_dir = files_directory_path
  
  seed = np.random.get_state()[1][0]
  