Check with the user that the are happy with terms and conditions for the data set.

def authorize_download(dataset_name=None):
    """Check with the user that the are happy with terms and conditions for the data set."""
    print(('Acquiring resource: ' + dataset_name))
    # TODO, check resource is in dictionary!
    print('')
    dr = data_resources[dataset_name]
    print('Details of data: ')
    print((dr['details']))
    print('')
    if dr['citation']:
        print('Please cite:')
        print((dr['citation']))
        print('')
    if dr['size']:
        print(('After downloading the data will take up ' + str(dr['size']) + ' bytes of space.'))
        print('')
    print(('Data will be stored in ' + os.path.join(data_path, dataset_name) + '.'))
    print('')
    if overide_manual_authorize:
        if dr['license']:
            print('You have agreed to the following license:')
            print((dr['license']))
            print('')
        return True
    else:
        if dr['license']:
            print('You must also agree to the following license:')
            print((dr['license']))
            print('')
        return prompt_user('Do you wish to proceed with the download? [yes/no]')