Exceptionincallback _ProactorBasePipeTransport._call_connection_lost(None) handle: <Handle _ProactorBasePipeTransport._call_connection_lost(None)> Traceback (most recent call last): File"C:\Users\loser\AppData\
To create a public link,set`share=True`in`launch()`.ERROR:asyncio:Exceptionincallback _ProactorBasePipeTransport._call_connection_lost(None)handle:<Handle _ProactorBasePipeTransport._call_connection_lost(None)>Traceback (most recent call last):File"C:\Program Files\WindowsApps\PythonSoftwareFoundati...
set_exception(exception): 用异常作为 Future 的结果值。这也会将其标记为已完成,但等待时会引发该异常。 add_done_callback(callback): 添加回调函数,在 Future 完成(有结果或有异常)时被调用。 result(): 获取 Future 的结果值。如果未完成,将引发InvalidStateError。如果以异常完成,会重新引发该异常。 done(...
exception calling callback for <Future at [...snip...]> Traceback (most recent call last): RuntimeError: Event loop is closed Fri Jan 24 16:25:09 2020 Hello from a thread! 幕后发生的情况是,run_in_executor()不创建Task实例:它只是返回一个Future。这意味着它不包含在asyncio.run()中...
self.__step(exc)else:self.__step()self=None# Needed to break cycles when an exception occurs...
) File "loop-with-callbacks.py", line 106, in loop callback(event_key, event_mask) File "loop-with-callbacks.py", line 51, in read_response links = self.parse_links() File "loop-with-callbacks.py", line 67, in parse_links raise Exception('parse error')Exception: pars...
Error），其中Error错误一般是指与虚拟机相关的问题，这种错误无法恢复或不可能捕获，而对于Exception异常...
CancelledError During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/Users/zhaofan/vs_python/python_asyncio/ex1.py", line 115, in <module> comments = loop.run_until_complete(main(loop, post_id)) File "/usr/local/Cellar/python/3.7....
函数# 然后在内部调用 future 的 cancel 方法将 future 给取消掉# 一旦取消了,future 里面的 self._make_request() 就不再执行了self._loop.call_soon_threadsafe(self._load_test_future.cancel)asyncdef_get_url(self, session: ClientSession, url:str):try:awaitsession.get(url)exceptExceptionase:print(...
Future可以串联或并联起来，串联的Future使用一个callback自动触发后一个Future，这样这两个Future就会依次...