utils.py 文件源码

def install_uvevent_loop():  # pragma: no cover
    """Install uvloop as default event loop when available.

    See: http://magic.io/blog/uvloop-blazing-fast-python-networking/

    """
    try:
        import uvloop
    except ImportError:
        pass
    else:
        asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())