thread_example.py

import threading

def accept_connections:
    while(True):
        connection = server_socket.accept()[0].makefile('wb')
        camera.start_recording(connection, format='h264', splitter_port=2, 
        resize=(640,360))
        try:
            camera.wait_recording(7*60*60) #assuming this records for 7 hours?
        except:
            pass

        
# create and start the connection thread
conn_thread = threading.Thread(target=accept_connections)
conn_thread.run()

# start recording video in the main thread
camera.start_recording(completed_video + '{}.h264'.format(dt.datetime.now().strftime('%Y%m%d%H%M%S') ), bitrate=4500000)