from socket import *
HOST = 'localhost'
PORT = 9000
s = socket(AF_INET, SOCK_STREAM)
s.bind((HOST, PORT))

(conn, addr) = s.accept()
print( 'Connected by', addr)
cnt = 0

while cnt < 10000000:
    cnt += 1
    tmp_data = conn.recv(1024)
    data = tmp_data.decode()
    exec(data)
    print("exec( ", data, " )")

conn.close()

#-------------【call_serversocket.py】 呼び出し側 ----------------------
#------------- ./blender -P call_serversocket.py と起動時に実行 --------

import threading
import time
from called_serversocket import serverclass

class test(threading.Thread):

    def __init__(self):
        threading.Thread.__init__(self)
        self.setDaemon(True)
        self.i = 0

    def run(self):
        print("Start.")
        serverclass.serversocket()
        print("serverclass.serversocket() start!")

if __name__ == "__main__":
    t = test()
    t.start()
    print("call_serversocket end!")


#-------------【called_serversocket.py】 呼び出される側 ----------------------
from socket import *

class serverclass:
    
    def serversocket():
        print( 'serversocket() ')

        HOST = 'localhost'
        PORT = 9000
        s = socket(AF_INET, SOCK_STREAM)
        s.bind((HOST, PORT))
        s.listen(1)
        
        (conn, addr) = s.accept()
        print( 'Connected by', addr)
        cnt = 0
        while 1:
            cnt += 1
            tmp_data = conn.recv(1024)
            data = tmp_data.decode()
            exec(data)
            print("exec( ", data, " )")
 
       conn.close()