localstack 線程隔離

# 線程隔離
from werkzeug.local import LocalStack
import threading

# 首先實例化
my_stack = LocalStack()
my_stack.push(1)  # 主線程入棧


def worker():
    print("in worker thread the value is:", my_stack.top)
    my_stack.push(2)  # 在worker thread裏面push一個元素
    print("in worker thread,after push element,the value is:", my_stack.top)


t = threading.Thread(target=worker, name="worker thread")
t.start()  # 開啓線程
print("finally,in the main thread,the value is:", my_stack.top)
'''
in worker thread the value is: None
finally,in the main thread,the value is: 1
in worker thread,after push element,the value is: 2
'''