我有一个异步函数,我想从它那里获取返回变量,但由于某些原因,我无法让它工作,我尝试了一些不同的东西,从google搜索,但他们都返回一个类似的错误。
我有这个函数。
@bot.command()
async def start(ctx):
"""starts the server"""
try:
status = server.status()
await ctx.channel.send("The server is already online!")
except:
os.chdir(".\\Minecraft")
file = subprocess.Popen("Start.bat")
await ctx.channel.send("starting the server")
starting = True
while starting == True:
time.sleep(int(delay))
with open("outfile.txt") as outfile:
for line in outfile:
if "Done" in line:
await ctx.channel.send("server has loaded")
starting = False
return file
else:
continue
我返回变量文件
但是当我试图在另一个函数中获取变量的时候
@bot.command()
async def kill(ctx):
"""shuts down the server"""
x = start(ctx)
print(x)
x.terminate()
我得到了这个错误。
<coroutine object Command.__call__ at 0x040F7B28>
Ignoring exception in command kill:
Traceback (most recent call last):
File "C:\Users\TheRi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\core.py", line 83, in wrapped
ret = await coro(*args, **kwargs)
File "c:/Users/TheRi/OneDrive/Desktop/Python/MinecraftDiscordBot/minecraftBot.py", line 113, in kill
x.terminate()
AttributeError: 'coroutine' object has no attribute 'terminate'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "C:\Users\TheRi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\bot.py", line 892, in invoke
await ctx.command.invoke(ctx)
File "C:\Users\TheRi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\core.py", line 797, in invoke
await injected(*ctx.args, **ctx.kwargs)
File "C:\Users\TheRi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\core.py", line 92, in wrapped
raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: AttributeError: 'coroutine' object has no attribute 'terminate'
C:\Users\TheRi\AppData\Local\Programs\Python\Python38-32\lib\asyncio\events.py:81: RuntimeWarning: coroutine 'Command.__call__' was never awaited
self._context.run(self._callback, *self._args)
RuntimeWarning: Enable tracemalloc to get the object allocation traceback
第一行似乎是我试图打印x的地方, 看看我是否能看到发生了什么, 剩下的就是错误. 它似乎没有返回任何值,而只是返回co例程本身?
我试过改变函数的引用方式,x = start(ctx),x = start(),x = start等等。
我是不是做错了什么?我怎么才能返回变量。
你需要 await
词组;即 x = await start(ctx)