您建议的解决方案是一个很好的解决方案：手动创建您的进程，这样您就可以显式访问其stdout / stderr文件句柄。然后，您可以创建一个与子流程进行通信的套接字，并在该套接字上使用multiprocessing.connection（multiprocessing.Pipe创建相同类型的连接对象，因此应该为您提供所有相同的IPC功能）。
import multiprocessing.connection
import subprocess
import socket
import sys, os
## Listen for connection from remote process (and find free port number)
port = 10000
while True:
try:
l = multiprocessing.connection.Listener(('localhost', int(port)), authkey="secret")
break
except socket.error as ex:
if ex.errno != 98:
raise
port += 1 ## if errno==98, then port is not available.
proc = subprocess.Popen((sys.executable, "subproc.py", str(port)), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
## open connection for remote process
conn = l.accept()
conn.send([1, "asd", None])
print(proc.stdout.readline())
import multiprocessing.connection
import subprocess
import sys, os, time
port = int(sys.argv[1])
conn = multiprocessing.connection.Client(('localhost', port), authkey="secret")
while True:
try:
obj = conn.recv()
print("received: %s\n" % str(obj))
sys.stdout.flush()
except EOFError: ## connection closed
break
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