from threading import local, Thread

class LocalStuff(local):
  def __init__(self, stuff, foo=1):
    local.__init__(self)
    self.stuff = stuff
    self.foo = foo

class TestThread(Thread):
  def __init__(self, stuff, name):
    Thread.__init__(self)
    self.stuff = stuff
    self.name = name

  def run(self):
    self.stuff.stuff = self.name
    print("TestThread.run stuff=%r\n" % self.stuff.stuff)

if __name__ == "__main__":
    stuff = LocalStuff("main stuff")
    TestThread(stuff, name="thread-1").start()
    TestThread(stuff, name="thread-2").start()
    print("main stuff=%r\n" % stuff.stuff)