Python threading.ThreadError() Examples

def _get_my_tid(self):
        """determines this (self's) thread id"""
        if not self.isAlive():
            raise threading.ThreadError("the thread is not active")

        # do we have it cached?
        if hasattr(self, "_thread_id"):
            return self._thread_id

        # no, look for it in the _active dict
        for tid, tobj in threading._active.items():
            if tobj is self:
                self._thread_id = tid
                return tid

        raise AssertionError("could not determine the thread's id") 

def _try_acquire(self, blocking, watch):
        try:
            self.trylock()
        except IOError as e:
            if e.errno in (errno.EACCES, errno.EAGAIN):
                if not blocking or watch.expired():
                    return False
                else:
                    raise _utils.RetryAgain()
            else:
                raise threading.ThreadError("Unable to acquire lock on"
                                            " `%(path)s` due to"
                                            " %(exception)s" %
                                            {
                                                'path': self.path,
                                                'exception': e,
                                            })
        else:
            return True 

def release(self):
        """Release the previously acquired lock."""
        if not self.acquired:
            raise threading.ThreadError("Unable to release an unacquired"
                                        " lock")
        try:
            self.unlock()
        except IOError:
            self.logger.exception("Could not unlock the acquired lock opened"
                                  " on `%s`", self.path)
        else:
            self.acquired = False
            try:
                self._do_close()
            except IOError:
                self.logger.exception("Could not close the file handle"
                                      " opened on `%s`", self.path)
            else:
                self.logger.log(_utils.BLATHER,
                                "Unlocked and closed file lock open on"
                                " `%s`", self.path) 

def kill(self, force_and_wait=False):
        pass
    #     try:
    #         self._raiseExc(KillThreadException)

    #         if force_and_wait:
    #             time.sleep(0.1)
    #             while self.isAlive():
    #                 self._raiseExc(KillThreadException)
    #                 time.sleep(0.1)
    #     except threading.ThreadError:
    #         pass

    # def onKilled(self):
    #     pass

    # def run(self):
    #     try:
    #         self._Thread__target(*self._Thread__args, **self._Thread__kwargs)
    #     except KillThreadException:
    #         self.onKilled() 

def _get_my_tid(self):
		"""determines this (self's) thread id"""
		if not self.isAlive():
			raise threading.ThreadError("the thread is not active")

		# do we have it cached?
		if hasattr(self, "_thread_id"):
			return self._thread_id

		# no, look for it in the _active dict
		for tid, tobj in threading._active.items():
			if tobj is self:
				self._thread_id = tid
				return tid

		raise AssertionError("could not determine the thread's id") 

def active(self):
        """
        重载感知器生效函数，加入自动刷新线程的生效操作。

        :return: 无返回
        :rtype: None
        :raises ThreadError: 创建线程失败
        """
        super(CronSensor, self).active()
        try:
            self._reload_thread = threading.Thread(
                target=self._reload)
            self._reload_thread.daemon = True
            self._reload_thread.start()
        except threading.ThreadError as e:
            log.r(e, "create new thread err") 

def _get_my_tid(self):
		"""determines this (self's) thread id"""
		if not self.isAlive():
			raise threading.ThreadError("the thread is not active")
		
		# do we have it cached?
		if hasattr(self, "_thread_id"):
			return self._thread_id
		
		# no, look for it in the _active dict
		for tid, tobj in threading._active.items():
			if tobj is self:
				self._thread_id = tid
				return tid
		
		raise AssertionError("could not determine the thread's id") 

def _get_my_tid(self):
		"""determines this (self's) thread id"""
		if not self.isAlive():
			raise threading.ThreadError("the thread is not active")
		
		# do we have it cached?
		if hasattr(self, "_thread_id"):
			return self._thread_id
		
		# no, look for it in the _active dict
		for tid, tobj in threading._active.items():
			if tobj is self:
				self._thread_id = tid
				return tid
		
		raise AssertionError("could not determine the thread's id") 

def start(self):
        assert self._job.pending
        # create the listener thread to handle incoming requests
        listener = threading.Thread(
            target=self.listener,
            args=(self._socket, self._job, self._workers),
            kwargs={"shutdown_delay": self.SHUTDOWN_DELAY})
        # launch listener thread and handle thread errors
        for retry in reversed(range(10)):
            try:
                listener.start()
            except threading.ThreadError:
                # thread errors can be due to low system resources while fuzzing
                LOG.warning("ThreadError (listener), threads: %d", threading.active_count())
                if retry < 1:
                    raise
                time.sleep(1)
                continue
            self._listener = listener
            break 

def test_sapphire_worker_03(mocker):
    """test SapphireWorker.launch() fail cases"""
    serv_con = mocker.Mock(spec=socket.socket)
    serv_job = mocker.Mock(spec=SapphireJob)
    fake_thread = mocker.patch("sapphire.sapphire_worker.threading.Thread", autospec=True)
    mocker.patch("sapphire.sapphire_worker.time.sleep", autospec=True)

    serv_con.accept.side_effect = socket.timeout
    assert SapphireWorker.launch(serv_con, serv_job) is None

    serv_con.accept.side_effect = None
    conn = mocker.Mock(spec=socket.socket)
    serv_con.accept.return_value = (conn, None)
    fake_thread.side_effect = threading.ThreadError
    assert SapphireWorker.launch(serv_con, serv_job) is None
    assert conn.close.call_count == 1
    assert serv_job.accepting.clear.call_count == 0
    assert serv_job.accepting.set.call_count == 1 

def launch(cls, listen_sock, job):
        assert job.accepting.is_set()
        conn = None
        try:
            conn, _ = listen_sock.accept()
            conn.settimeout(None)
            # create a worker thread to handle client request
            w_thread = threading.Thread(target=cls.handle_request, args=(conn, job))
            job.accepting.clear()
            w_thread.start()
            return cls(conn, w_thread)
        except (socket.error, socket.timeout):
            if conn is not None:  # pragma: no cover
                conn.close()
        except threading.ThreadError:
            if conn is not None:  # pragma: no cover
                conn.close()
            # reset accepting status
            job.accepting.set()
            LOG.warning("ThreadError (worker), threads: %d", threading.active_count())
            # wait for system resources to free up
            time.sleep(0.1)
        return None 

def abortall():
    for p in Cache.publishers:
        try:
            p.abort()
        except threading.ThreadError as e:
            log(msg=_('Error aborting: %s - Error: %s') % (str(p), str(e)))
    Cache.dispatcher.abort()
    for p in Cache.publishers:
        p.join(0.5)
    Cache.dispatcher.join(0.5)
    if len(threading.enumerate()) > 1:
        main_thread = threading.current_thread()
        log(msg=_('Enumerating threads to kill others than main (%i)') % main_thread.ident)
        for t in threading.enumerate():
            if t is not main_thread and t.is_alive():
                log(msg=_('Attempting to kill thread: %i: %s') % (t.ident, t.name))
                try:
                    t.abort(0.5)
                except (threading.ThreadError, AttributeError):
                    log(msg=_('Error killing thread'))
                else:
                    if not t.is_alive():
                        log(msg=_('Thread killed succesfully'))
                    else:
                        log(msg=_('Error killing thread')) 

def close(self):
        """
        Destructor for this audio interface. Waits the threads to finish their
        streams, if desired.
        """
        with self.halting:  # Avoid simultaneous "close" threads

            if not self.finished:  # Ignore all "close" calls, but the first,
                self.finished = True  # and any call to play would raise ThreadError

                # Closes all playing AudioThread instances
                while True:
                    with self.lock:  # Ensure there's no other thread messing around
                        try:
                            thread = self._threads[0]  # Needless to say: pop = deadlock
                        except IndexError:  # Empty list
                            break  # No more threads

                    thread.stop()
                    thread.join()

                # Finishes
                assert not self._pa._streams  # No stream should survive
                self._pa.terminate() 

def play(self, offset=0.0, duration=None):
        """
        Start another thread playing the given audio sample iterable (e.g. a
        list, a generator, a NumPy np.ndarray with samples), and play it.
        The arguments are used to customize behaviour of the new thread, as
        parameters directly sent to PyAudio's new stream opening method, see
        AudioThread.__init__ for more.
        """
        if self.playing:
            # If playback is on, stop play
            self.stop()

        with self.lock:
            if self.finished:
                raise threading.ThreadError("Trying to play an audio stream while "
                                            "halting the AudioIO manager object")
            self.player_thread = AudioThread(device_manager=self,
                                             audio=self.get_segment(offset, duration),
                                             chunk_size=2048,
                                             sampling_rate=self.sampling_rate,
                                             nchannels=self.channels)

            self.player_thread.start()
            self.playing = True 

def _get_my_tid(self):
		"""determines this (self's) thread id"""
		if not self.isAlive():
			raise threading.ThreadError("the thread is not active")
		
		# do we have it cached?
		if hasattr(self, "_thread_id"):
			return self._thread_id
		
		# no, look for it in the _active dict
		for tid, tobj in threading._active.items():
			if tobj is self:
				self._thread_id = tid
				return tid
		
		raise AssertionError("could not determine the thread's id") 

def __enter__(self):
        self._succ = self._lock.acquire(False)
        if not self._succ:
            raise threading.ThreadError("This DataFlow is not reentrant!") 

def _get_my_tid(self):
        if not self.isAlive():
            raise threading.ThreadError("the thread is not active")

        if hasattr(self, "_thread_id"):
            return self._thread_id

        for tid, tobj in threading._active.items():
            if tobj is self:
                self._thread_id = tid
                return tid

        raise AssertionError("could not determine the thread's id") 

def release(self):
        try:
            self._lock.release()
        except (RuntimeError, threading.ThreadError):
            pass
        except:
            _logger.debug("Got error when attempting to release connection lock.")
            try:
                self._lock.release()
            except (RuntimeError, threading.ThreadError):
                pass
            raise 

def test_lock(self):
        lock = self.Lock()
        self.assertEqual(lock.acquire(), True)
        self.assertEqual(lock.acquire(False), False)
        self.assertEqual(lock.release(), None)
        self.assertRaises((ValueError, threading.ThreadError), lock.release) 

def __enter__(self):
        gotten = self.acquire()
        if not gotten:
            # This shouldn't happen, but just incase...
            raise threading.ThreadError("Unable to acquire a file lock"
                                        " on `%s` (when used as a"
                                        " context manager)" % self.path)
        return self 

def test_bad_acquire(self):
        lock_file = os.path.join(self.lock_dir, 'lock')
        lock = BrokenLock(lock_file, errno.EBUSY)
        self.assertRaises(threading.ThreadError, lock.acquire) 

def test_lock(self):
        lock = self.Lock()
        self.assertEqual(lock.acquire(), True)
        self.assertEqual(lock.acquire(False), False)
        self.assertEqual(lock.release(), None)
        self.assertRaises((ValueError, threading.ThreadError), lock.release) 

def test_lock(self):
        lock = self.Lock()
        self.assertEqual(lock.acquire(), True)
        self.assertEqual(lock.acquire(False), False)
        self.assertEqual(lock.release(), None)
        self.assertRaises((ValueError, threading.ThreadError), lock.release) 

def release(self):
        """
        Release the lock.  Raise an exception if the lock is not presently
        acquired.
        """
        if not self.acquired:
            raise ThreadError()
        self.acquired = False 

def test_fakeDoubleRelease(self):
        """
        The L{FakeLock} test fixture will alert us if there's a potential
        double-release.
        """
        lock = FakeLock()
        self.assertRaises(ThreadError, lock.release)
        lock.acquire()
        self.assertEqual(None, lock.release())
        self.assertRaises(ThreadError, lock.release) 

def call_release(self, arborted=False):
        """DEV: Must be call when the object becomes ready to read.
           Relesases the lock of _wait_non_ressources"""
        self.was_ended = arborted
        try:
            self.trigger.release()
        except (threading.ThreadError, AttributeError):
            pass
        # Trigger hooks
        for hook in self.hooks:
            hook() 

def __enter__(self):
        self._succ = self._lock.acquire(False)
        if not self._succ:
            raise threading.ThreadError("This DataFlow is not reentrant!") 

def test_limbo_cleanup(self):
        # Issue 7481: Failure to start thread should cleanup the limbo map.
        def fail_new_thread(*args):
            raise threading.ThreadError()
        _start_new_thread = threading._start_new_thread
        threading._start_new_thread = fail_new_thread
        try:
            t = threading.Thread(target=lambda: None)
            self.assertRaises(threading.ThreadError, t.start)
            self.assertFalse(
                t in threading._limbo,
                "Failed to cleanup _limbo map on failure of Thread.start().")
        finally:
            threading._start_new_thread = _start_new_thread 

def test_lock(self):
        lock = self.Lock()
        self.assertEqual(lock.acquire(), True)
        self.assertEqual(lock.acquire(False), False)
        self.assertEqual(lock.release(), None)
        self.assertRaises((ValueError, threading.ThreadError), lock.release) 

def active(self):
        """
        感知器生效函数。该函数创建新线程，定期进行外部事件拉取操作

        :return: 无返回
        :rtype: None
        :raises ThreadError: 创建线程失败
        """
        try:
            self._pull_thread = threading.Thread(
                target=self.event_dealer)
            self._pull_thread.daemon = True
            self._pull_thread.start()
        except threading.ThreadError as e:
            log.r(e, "create new thread err")