Python dummy_thread.start_new_thread方法代码示例

# 需要导入模块: import dummy_thread [as 别名]
# 或者: from dummy_thread import start_new_thread [as 别名]
def test_uncond_acquire_blocking(self):
        #Make sure that unconditional acquiring of a locked lock blocks.
        def delay_unlock(to_unlock, delay):
            """Hold on to lock for a set amount of time before unlocking."""
            time.sleep(delay)
            to_unlock.release()

        self.lock.acquire()
        start_time = int(time.time())
        _thread.start_new_thread(delay_unlock,(self.lock, DELAY))
        if test_support.verbose:
            print
            print "*** Waiting for thread to release the lock "\
            "(approx. %s sec.) ***" % DELAY
        self.lock.acquire()
        end_time = int(time.time())
        if test_support.verbose:
            print "done"
        self.assertGreaterEqual(end_time - start_time, DELAY,
                        "Blocking by unconditional acquiring failed.") 

# 需要导入模块: import dummy_thread [as 别名]
# 或者: from dummy_thread import start_new_thread [as 别名]
def test_arg_passing(self):
        #Make sure that parameter passing works.
        def arg_tester(queue, arg1=False, arg2=False):
            """Use to test _thread.start_new_thread() passes args properly."""
            queue.put((arg1, arg2))

        testing_queue = Queue.Queue(1)
        _thread.start_new_thread(arg_tester, (testing_queue, True, True))
        result = testing_queue.get()
        self.assertTrue(result[0] and result[1],
                        "Argument passing for thread creation using tuple failed")
        _thread.start_new_thread(arg_tester, tuple(), {'queue':testing_queue,
                                                       'arg1':True, 'arg2':True})
        result = testing_queue.get()
        self.assertTrue(result[0] and result[1],
                        "Argument passing for thread creation using kwargs failed")
        _thread.start_new_thread(arg_tester, (testing_queue, True), {'arg2':True})
        result = testing_queue.get()
        self.assertTrue(result[0] and result[1],
                        "Argument passing for thread creation using both tuple"
                        " and kwargs failed") 

# 需要导入模块: import dummy_thread [as 别名]
# 或者: from dummy_thread import start_new_thread [as 别名]
def test_uncond_acquire_blocking(self):
        #Make sure that unconditional acquiring of a locked lock blocks.
        def delay_unlock(to_unlock, delay):
            """Hold on to lock for a set amount of time before unlocking."""
            time.sleep(delay)
            to_unlock.release()

        self.lock.acquire()
        start_time = int(time.time())
        _thread.start_new_thread(delay_unlock,(self.lock, DELAY))
        if test_support.verbose:
            print
            print "*** Waiting for thread to release the lock "\
            "(approx. %s sec.) ***" % DELAY
        self.lock.acquire()
        end_time = int(time.time())
        if test_support.verbose:
            print "done"
        self.assertTrue((end_time - start_time) >= DELAY,
                        "Blocking by unconditional acquiring failed.") 

# 需要导入模块: import dummy_thread [as 别名]
# 或者: from dummy_thread import start_new_thread [as 别名]
def test_uncond_acquire_blocking(self):
        #Make sure that unconditional acquiring of a locked lock blocks.
        def delay_unlock(to_unlock, delay):
            """Hold on to lock for a set amount of time before unlocking."""
            time.sleep(delay)
            to_unlock.release()

        self.lock.acquire()
        start_time = int(time.time())
        _thread.start_new_thread(delay_unlock,(self.lock, DELAY))
        if test_support.verbose:
            print
            print "*** Waiting for thread to release the lock "\
            "(approx. %s sec.) ***" % DELAY
        self.lock.acquire()
        end_time = int(time.time())
        if test_support.verbose:
            print "done"
        self.failUnless((end_time - start_time) >= DELAY,
                        "Blocking by unconditional acquiring failed.") 

# 需要导入模块: import dummy_thread [as 别名]
# 或者: from dummy_thread import start_new_thread [as 别名]
def test_arg_passing(self):
        #Make sure that parameter passing works.
        def arg_tester(queue, arg1=False, arg2=False):
            """Use to test _thread.start_new_thread() passes args properly."""
            queue.put((arg1, arg2))

        testing_queue = Queue.Queue(1)
        _thread.start_new_thread(arg_tester, (testing_queue, True, True))
        result = testing_queue.get()
        self.failUnless(result[0] and result[1],
                        "Argument passing for thread creation using tuple failed")
        _thread.start_new_thread(arg_tester, tuple(), {'queue':testing_queue,
                                                       'arg1':True, 'arg2':True})
        result = testing_queue.get()
        self.failUnless(result[0] and result[1],
                        "Argument passing for thread creation using kwargs failed")
        _thread.start_new_thread(arg_tester, (testing_queue, True), {'arg2':True})
        result = testing_queue.get()
        self.failUnless(result[0] and result[1],
                        "Argument passing for thread creation using both tuple"
                        " and kwargs failed") 

# 需要导入模块: import dummy_thread [as 别名]
# 或者: from dummy_thread import start_new_thread [as 别名]
def start_new_thread(function, args, kwargs={}):
    """Dummy implementation of thread.start_new_thread().

    Compatibility is maintained by making sure that ``args`` is a
    tuple and ``kwargs`` is a dictionary.  If an exception is raised
    and it is SystemExit (which can be done by thread.exit()) it is
    caught and nothing is done; all other exceptions are printed out
    by using traceback.print_exc().

    If the executed function calls interrupt_main the KeyboardInterrupt will be
    raised when the function returns.

    """
    if type(args) != type(tuple()):
        raise TypeError("2nd arg must be a tuple")
    if type(kwargs) != type(dict()):
        raise TypeError("3rd arg must be a dict")
    global _main
    _main = False
    try:
        function(*args, **kwargs)
    except SystemExit:
        pass
    except:
        _traceback.print_exc()
    _main = True
    global _interrupt
    if _interrupt:
        _interrupt = False
        raise KeyboardInterrupt 

# 需要导入模块: import dummy_thread [as 别名]
# 或者: from dummy_thread import start_new_thread [as 别名]
def interrupt_main():
    """Set _interrupt flag to True to have start_new_thread raise
    KeyboardInterrupt upon exiting."""
    if _main:
        raise KeyboardInterrupt
    else:
        global _interrupt
        _interrupt = True 

# 需要导入模块: import dummy_thread [as 别名]
# 或者: from dummy_thread import start_new_thread [as 别名]
def test_interrupt_main(self):
        #Calling start_new_thread with a function that executes interrupt_main
        # should raise KeyboardInterrupt upon completion.
        def call_interrupt():
            _thread.interrupt_main()
        self.assertRaises(KeyboardInterrupt, _thread.start_new_thread,
                              call_interrupt, tuple()) 

# 需要导入模块: import dummy_thread [as 别名]
# 或者: from dummy_thread import start_new_thread [as 别名]
def test_multi_creation(self):
        #Make sure multiple threads can be created.
        def queue_mark(queue, delay):
            """Wait for ``delay`` seconds and then put something into ``queue``"""
            time.sleep(delay)
            queue.put(_thread.get_ident())

        thread_count = 5
        testing_queue = Queue.Queue(thread_count)
        if test_support.verbose:
            print
            print "*** Testing multiple thread creation "\
            "(will take approx. %s to %s sec.) ***" % (DELAY, thread_count)
        for count in xrange(thread_count):
            if DELAY:
                local_delay = round(random.random(), 1)
            else:
                local_delay = 0
            _thread.start_new_thread(queue_mark,
                                     (testing_queue, local_delay))
        time.sleep(DELAY)
        if test_support.verbose:
            print 'done'
        self.assertTrue(testing_queue.qsize() == thread_count,
                        "Not all %s threads executed properly after %s sec." %
                        (thread_count, DELAY))