在windows asyncio上与python并行运行进程
我有一个只在Linux和asyncio上运行的代码,但我需要它在Windows上运行,我对多处理知之甚少,在Windows上运行的方法是什么?我发现在windows上运行asyncio有一个限制: 我的代码:在windows asyncio上与python并行运行进程,python,python-3.x,multithreading,python-asyncio,Python,Python 3.x,Multithreading,Python Asyncio,我有一个只在Linux和asyncio上运行的代码,但我需要它在Windows上运行,我对多处理知之甚少,在Windows上运行的方法是什么?我发现在windows上运行asyncio有一个限制: 我的代码: import sys import asyncio scriptspy = [ 'scrp1.py', 'scrp2.py', 'scrp3.py', 'scrp4.py', 'scrp5.py', 'scrp6.py', 'sc
import sys
import asyncio
scriptspy = [
'scrp1.py',
'scrp2.py',
'scrp3.py',
'scrp4.py',
'scrp5.py',
'scrp6.py',
'scrp7.py',
'scrp8.py',
'scrp9.py',
'scrp10.py',
'scrp11.py',
'scrp12.py',
]
async def main():
tarefas_rodando = set()
while scriptspy:
# start up to 6 scripts
while len(tarefas_rodando) < 6 and scriptspy:
script = scriptspy.pop()
p = await asyncio.create_subprocess_exec(sys.executable, script)
tarefa = asyncio.create_task(p.wait())
tarefas_rodando.add(tarefa)
# wait for one of the scripts to end
tarefas_rodando, finalizadas = await asyncio.wait(tarefas_rodando, return_when=asyncio.FIRST_COMPLETED)
# finished, wait for the rest to finish
await asyncio.wait(tarefas_rodando, return_when=asyncio.ALL_COMPLETED)
asyncio.run(main())
导入系统
导入异步
scriptspy=[
“scrp1.py”,
“scrp2.py”,
“scrp3.py”,
“scrp4.py”,
“scrp5.py”,
“scrp6.py”,
“scrp7.py”,
“scrp8.py”,
“scrp9.py”,
“scrp10.py”,
“scrp11.py”,
“scrp12.py”,
]
异步def main():
tarefas_rodando=set()
而scriptspy:
#最多启动6个脚本
而len(tarefas_rodando)<6和scriptspy:
script=scriptspy.pop()
p=wait asyncio.create_subprocess_exec(sys.executable,script)
tarefa=asyncio.create_任务(p.wait())
tarefas_rodando.add(tarefa)
#等待其中一个脚本结束
tarefas\u rodando,finalizadas=wait asyncio.wait(tarefas\u rodando,在=asyncio.FIRST\u完成时返回)
#完成,等待其余的完成
wait asyncio.wait(tarefas\u rodando,当=asyncio.ALL\u完成时返回)
asyncio.run(main())
此代码在linux上运行良好,但在windows上运行不好。我需要在windows上运行它
在Windows中运行异常:
Traceback (most recent call last):
File "scripts.py", line 53, in <module>
asyncio.run(main())
File "C:\Python\Python37\lib\asyncio\runners.py", line 43, in run
return loop.run_until_complete(main)
File "C:\Python\Python37\lib\asyncio\base_events.py", line 584, in run_until_complete
return future.result()
File "scripts.py", line 44, in main
p = await asyncio.create_subprocess_exec(sys.executable, script)
File "C:\Python\Python37\lib\asyncio\subprocess.py", line 217, in create_subprocess_exec
stderr=stderr, **kwds)
File "C:\Python\Python37\lib\asyncio\base_events.py", line 1533, in subprocess_exec
bufsize, **kwargs)
File "C:\Python\Python37\lib\asyncio\base_events.py", line 463, in
_make_subprocess_transport
raise NotImplementedError NotImplementedError
回溯(最近一次呼叫最后一次):
文件“scripts.py”,第53行,在
asyncio.run(main())
文件“C:\Python\Python37\lib\asyncio\runners.py”,第43行,正在运行
返回循环。运行直到完成(主)
文件“C:\Python\Python37\lib\asyncio\base\u events.py”,第584行,在运行中直到完成
返回future.result()
文件“scripts.py”,第44行,主
p=wait asyncio.create_subprocess_exec(sys.executable,script)
文件“C:\Python\Python37\lib\asyncio\subprocess.py”,第217行,在create\u subprocess\u exec中
标准差=标准差,**千瓦时)
文件“C:\Python\Python37\lib\asyncio\base\u events.py”,第1533行,在subprocess\u exec中
bufsize,**夸克)
文件“C:\Python\Python37\lib\asyncio\base\u events.py”,第463行,在
_使_子流程_传输
引发NotImplementedError NotImplementedError
根据,要在Windows上运行子流程,需要切换到proactor事件循环:
asyncio.set_event_loop_policy(asyncio.WindowsProactorEventLoopPolicy())
在Windows上运行时会发生什么?你有例外吗?如果是,哪一个?是的,添加有问题的例外@user4815162342@JB_为什么不呢?你能说得更具体点吗?我的英语不好。我的意思是我不能实现我的文档中包含的这段代码。@JB\u您只需要将这段代码粘贴到程序的开头。如果这对您不起作用,请提供详细信息。