def on_conn_fail(self) -> None:
"""
If the API failed to connect, the app will be closed.
"""
print("Timed out waiting for the connection")
QCoreApplication.exit(1)
def wait_for_connection(self) -> None:
"""
Function called by start() to check every second if the connection
has been established.
"""
# Saving the starting timestamp for the audiosync feature
start_time = time.time()
# Changing the loading message for the connection one if the first
# connection attempt was unsuccessful.
if self.conn_counter == 1:
self.layout.removeWidget(self.loading_label)
self.loading_label.hide()
self.conn_label.show()
# The APIs should raise `ConnectionNotReady` if the first attempt
# to get metadata from Spotify was unsuccessful.
logging.info("Connection attempt %d", self.conn_counter + 1)
try:
self.conn_fn()
except ConnectionNotReady:
pass
else:
logging.info("Succesfully connected to the API")
# Stopping the timer and changing the label to the loading one.
self.conn_timer.stop()
self.layout.removeWidget(self.conn_label)
del self.conn_timer
self.layout.removeWidget(self.conn_label)
self.conn_label.hide()
del self.conn_label
self.layout.removeWidget(self.loading_label)
del self.loading_label
# Loading the player and more
self.setStyleSheet(f"background-color:{Colors.black};")
self.layout.addWidget(self.player)
self.play_video(self.api.artist, self.api.title, start_time)
# Connecting to the signals generated by the API
self.api.new_song_signal.connect(self.play_video)
self.api.position_signal.connect(self.change_video_position)
self.api.status_signal.connect(self.change_video_status)
# Starting the event loop if it was initially passed as
# a parameter.
if self.event_loop_interval is not None:
self.start_event_loop(self.api.event_loop,
self.event_loop_interval)
self.conn_counter += 1
# If the maximum amount of attempts is reached, the app is closed.
if self.conn_counter >= self.conn_attempts:
print("Timed out waiting for the connection")
self.conn_timer.stop()
QCoreApplication.exit(1)
def test_event_engine2_registerGeneralHandler(self):
def simpletest(event):
print(u'registerGeneralHandler处理每秒触发的计时器事件：{}'.format(
str(datetime.now())))
app = QCoreApplication(sys.argv)
ee = EventEngine2()
ee.registerGeneralHandler(simpletest)
ee.start()
sleep(3)
ee.stop()
app.exit(0)
def test_event_engine2_register(self):
def simpletest(event):
print(u'eventEngine2处理每秒触发的计时器事件：{}'.format(str(datetime.now())))
app = QCoreApplication(sys.argv)
ee = EventEngine2()
# 不触发定时器
# ee.register(1, simpletest)
ee.register(EVENT_TIMER, simpletest)
ee.start()
sleep(3)
ee.stop()
app.exit(0)
