text: from django.conf import settings
  
  RECHECK_INTERVAL = getattr(settings, 'LINKCHECK_RECHECK_INTERVAL', 10080) # 1 week
  EXTERNAL_REGEX_STRING = getattr(settings, 'LINKCHECK_EXTERNAL_REGEX_STRING', r'^https?://')
  MAX_CHECKS_PER_RUN = getattr(settings, 'LINKCHECK_MAX_CHECKS_PER_RUN', -1)
  MEDIA_PREFIX = getattr(settings, 'LINKCHECK_MEDIA_PREFIX', '/media/')
  RESULTS_PER_PAGE = getattr(settings, 'LINKCHECK_RESULTS_PER_PAGE', 500)
  MAX_URL_LENGTH = getattr(settings, 'LINKCHECK_MAX_URL_LENGTH', 255)