[英]Get return value from a function in thread in Python
I have written a Python function that uses multithreading. 我已经编写了一个使用多线程的Python函数。
def image(link_ID):
tid1 = Thread(target=displayImage, args=(link_ID,))
tid2 = Thread(target=publishIAmFree)
tid1.start()
tid2.start()
Function displayImage()
simply puts up the image and the function publishIAmFree()
publishes data to the broker and returns a FLAG
value. 函数
displayImage()
只是放置图像,而函数publishIAmFree()
将数据发布到代理并返回FLAG
值。
How will I get the return value from the publishIAmFree() function, while in the thread? 在线程中时,如何从publishIAmFree()函数获取返回值?
You could try using the ThreadPool class 您可以尝试使用ThreadPool类
from multiprocessing.pool import ThreadPool
threadp = ThreadPool(processes=1)
res = threadp.apply_async(publishIAmFree, ()) # () has the arguments for function
return_val = res.get()
print return_val
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