def wsgi_target_a(env, start_response):
    start_response('200', [('Content-Length', '1')])
    return [b'1']


def wsgi_target_b(env, start_response):
    start_response('200', [('Content-Length', '1')])
    return [b'2']


def wsgi_target_prefix(env, start_response):
    data = u'%s %s' % (
        env.get('SCRIPT_NAME', 'No Script Name'),
        env['PATH_INFO'],
    )
    start_response('200', [('Content-Length', '%d' % len(data))])
    return [data.encode('utf-8')]