threading - how to get parent id/name?

I looking for the way to get parent ID or name from child thread. In example, I have main thread as MainThread. In this thread i create a few new threads. Then I 开发者_JS百科use threading.enumerate() to get references to all running thread, pick one of child threads and somehow get ID or name of MainThread. Is any way to do that?

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Make a Thread subclass that sets a parent attribute on init:

from threading import current_thread

class MyThread(threading.Thread):
    def __init__(self, *args, **kwargs):
        self.parent = current_thread()
        Thread.__init__(self, *args, **kwargs)

Then, while doing work inside a thread started with this class, we can access current_thread().parent to get the spawning Thread object.

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You can have a reference to parent thread on child thread.. and then get it's ID

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You might want to pass the name of MainThread to the child threads on creation.

Another option, if you're working with a class, is to have the target of the child threads point to a method from the class of MainThread:

class MainThread:
    name = "MainThreadName"

    def child_thread_run(self):
        print self.name # Will print "MainThreadName", even from a child thread

    def run(self):
        child = threading.Thread(target=self.child_thread_run)
        child.start()