wsgi_test.py 文件源码

def chunked_fail_app(environ, start_response):
    """http://rhodesmill.org/brandon/2013/chunked-wsgi/
    """
    headers = [('Content-Type', 'text/plain')]
    start_response('200 OK', headers)

    # We start streaming data just fine.
    yield b"The dwarves of yore made mighty spells,"
    yield b"While hammers fell like ringing bells"

    # Then the back-end fails!
    try:
        1 / 0
    except Exception:
        start_response('500 Error', headers, sys.exc_info())
        return

    # So rest of the response data is not available.
    yield b"In places deep, where dark things sleep,"
    yield b"In hollow halls beneath the fells."