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How to use task_stop method in autotest

Best Python code snippet using autotest_python

task_base.py

Source:task_base.py

...15        """16        Initializer17        Args:18            stop_timeout_secs (int): Number of seconds to wait for process to exit19                upon calling task_stop(). If the process fails to stop before the20                specified timeout, it will attemp to kill the process via brute21                force. If you would like to wait indefinitely, pass in `None`.22        """23        self._stop_timeout_secs = stop_timeout_secs24        self._task_process = None25        self.task_stopping_event = multiprocessing.Event()26    def task_worker(self):27        raise NotImplementedError28    def task_run(self):29        if self.task_stopping_event.is_set():30            return31        self._task_process = multiprocessing.Process(target=self.task_worker)32        self._task_process.start()33    def task_stop(self):34        # Signal the process to stop35        self.task_stopping_event.set()36        # Wait for the process to exit37        self._task_process.join(self._stop_timeout_secs)38        # If the process didn't exit, attempt to kill it39        if self._task_process.is_alive():40            os.kill(self._task_process.pid, signal.SIGKILL)41        if self._task_process.is_alive():42            return False43        return True44#45# ThreadTaskBase =====================================================================46#47class ThreadTaskBase(object):48    """49    Base class for creating an object that gets spawned as a separate thread50    Child class needs to implement the task_worker method, which should be51    designed to return if task_stopping_event is set52    """53    def __init__(self, stop_timeout_secs=None):54        """55        Initializer56        Args:57            stop_timeout_secs (int): Number of seconds to wait for thread to exit58                upon calling task_stop(). If you would like to wait indefinitely,59                pass in None.60        """61        self._stop_timeout_secs = stop_timeout_secs62        self._task_thread = None63        self.task_stopping_event = threading.Event()64    def task_worker(self):65        raise NotImplementedError66    def task_run(self):67        if self.task_stopping_event.is_set():68            return69        self._task_thread = threading.Thread(target=self.task_worker)70        self._task_thread.start()71    def task_stop(self):72        # Signal the thread to stop73        self.task_stopping_event.set()74        # Wait for the thread to exit75        self._task_thread.join(self._stop_timeout_secs)76        if self._task_thread.is_alive():77            return False...

test_task_context.py

Source:test_task_context.py

...7    @hookimpl8    def task_start(self):9        self.events.append("task_start")10    @hookimpl11    def task_stop(self, failed):12        self.events.append(("task_stop", failed))13@pytest.fixture14def spy():15    instance = EventSpy()16    pm.register(instance)17    yield instance18    pm.unregister(instance)19def test_task_ok(spy):20    """task_context emits expected events during successful non-exit case"""21    # Initially no events22    assert not spy.events23    # Simulate a task24    with task_context():25        # task_start should have already been fired...

spider.py

Source:spider.py

1import threading2import time3from queue import Queue4from settings import MAX_PAGE, DL_PSD, FILE_DIR, MAX_QUEUE, MAX_THREAD5from httprequest import UrlHandler, Download6class Producer(threading.Thread):7    def __init__(self, queue, task,):8        threading.Thread.__init__(self)9        self.task_stop = False10        self.task = task11        self.queue = queue12    def run(self):13        tasks = self.task.get_tasks()14        while True:15            try:16                task = next(tasks)17            except StopIteration:18                break19            else:20                self.queue.put(task)21    def stop(self):22        self.task_stop = True23class Consumer(threading.Thread):24    def __init__(self, queue, donwload):25        threading.Thread.__init__(self)26        self.task_stop = False27        self.queue = queue28        self.download = donwload29    def run(self):30        while not self.task_stop:31            try:32                data_ = self.queue.get(timeout=4)33            except Exception as e:34                print(e.args)35                break36            else:37                self.download(data_, dl_dir=FILE_DIR, has_psd=DL_PSD, ).work()38                self.queue.task_done()39    def stop(self):40        self.task_stop = True41def wrapper(func, *args, **kwargs):42    def timer():43        start_time = time.time()44        func(*args, **kwargs)45        end_time = time.time()46        print('æ»ç¨æ¶:-->', int(end_time - start_time))47    return timer48@wrapper49def main():50    q = Queue(MAX_QUEUE)51    t1_thread = []52    t2_thread = []53    for url in ['http://www.uimaker.com/uimakerdown/list_36_{}.html'.format(i) for i in range(1, MAX_PAGE)]:54        t1 = Producer(q, UrlHandler(url))55        t1.start()56        t1_thread.append(t1)57    for i in range(MAX_THREAD):58        t2 = Consumer(q, Download)59        t2.start()60    for t1 in t1_thread:61        t1.join()62    for t2 in t2_thread:63        t2.join()64    q.join()65if __name__ == '__main__':...

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