test_threaded_import.py 文件源码

def test_main():        # magic name!  see above
    global N, done

    import imp
    if imp.lock_held():
        # This triggers on, e.g., from test import autotest.
        raise unittest.SkipTest("can't run when import lock is held")

    done.acquire()
    for N in (20, 50) * 3:
        if verbose:
            print "Trying", N, "threads ...",
        for i in range(N):
            thread.start_new_thread(task, ())
        done.acquire()
        if verbose:
            print "OK."
    done.release()

    test_import_hangers()