Gets the license summary and permitted, forbidden and required
  behaviour

def get_license_summary(license_code):
  """ Gets the license summary and permitted, forbidden and required
  behaviour """
  try:
    abs_file = os.path.join(_ROOT, "summary.json")
    with open(abs_file, 'r') as f:
      summary_license = json.loads(f.read())[license_code]

    # prints summary
    print(Fore.YELLOW + 'SUMMARY')
    print(Style.RESET_ALL),
    print(summary_license['summary'])

    # prints source for summary
    print(Style.BRIGHT + 'Source:'),
    print(Style.RESET_ALL),
    print(Fore.BLUE + summary_license['source'])
    print(Style.RESET_ALL)

    # prints cans
    print(Fore.GREEN + 'CAN')
    print(Style.RESET_ALL),
    for rule in summary_license['can']:
      print(rule)
    print('')

    # prints cannot
    print(Fore.RED + 'CANNOT')
    print(Style.RESET_ALL),
    for rule in summary_license['cannot']:
      print(rule)
    print('')

    # prints musts
    print(Fore.BLUE + 'MUST')
    print(Style.RESET_ALL),
    for rule in summary_license['must']:
      print(rule)
    print('')

  except KeyError:
    print(Fore.RED + 'No such license. Please check again.'),
    print(Style.RESET_ALL),