eventletutils.py 文件源码

def fetch_current_thread_functor():
    """Get the current thread.

    If eventlet is used to monkey-patch the threading module, return the
    current eventlet greenthread. Otherwise, return the current Python thread.

    .. versionadded:: 1.5
    """
    # Until https://github.com/eventlet/eventlet/issues/172 is resolved
    # or addressed we have to use complicated workaround to get a object
    # that will not be recycled; the usage of threading.current_thread()
    # doesn't appear to currently be monkey patched and therefore isn't
    # reliable to use (and breaks badly when used as all threads share
    # the same current_thread() object)...
    if not EVENTLET_AVAILABLE:
        return threading.current_thread
    else:
        green_threaded = _patcher.is_monkey_patched('thread')
        if green_threaded:
            return _eventlet.getcurrent
        else:
            return threading.current_thread