diff options
Diffstat (limited to 'examples/async_printing.py')
| -rwxr-xr-x | examples/async_printing.py | 51 |
1 files changed, 39 insertions, 12 deletions
diff --git a/examples/async_printing.py b/examples/async_printing.py index 981d39e3..db2485fe 100755 --- a/examples/async_printing.py +++ b/examples/async_printing.py @@ -16,11 +16,39 @@ ALERTS = ["Mail server is down", "Your next appointment has arrived", "Christmas bonuses are cancelled", "Mandatory overtime this weekend", - "Jimmy quit", - "Jody got married", + "Jimmy quit. Jody got married.", "Is there anyone on board who knows how to fly a plane?", "Gentlemen, you can't fight in here. This is the War Room!", - "Your mom goes to college!"] + "Your mom goes to college!", + "I'm an ugly stinking llama. Llama face!", + "That's some bad hat, Harry", + "I love the smell of napalm in the morning", + "You're gonna need a bigger boat", + "Snakes, why did it have to be snakes?", + "No, I am your father", + "I'm Batman", + "Goonies never say die", + "You're killing me Smalls", + "It's alive!! It's alive!!", + "Houston, we have a problem!", + "These go to 11", + "Soylent Green is people!!", + "You shall not pass!!", + "KHAAN!!", + "Get to tha choppa!", + "I've heard it both ways", + "Yo Adrian, I did it!!", + "Just what do you think you're doing, Dave?", + "Welcome... to the real world", + "See this? This... is my boomstick!", + "Shop smart. Shop S-MART!", + "It's not the years, it's the mileage", + "I am not an elephant! I am not an animal! I am a human being!", + "Great Scott!!", + "This is heavy", + "Do... or do not. There is no try.", + "Game over man, GAME OVER!", + "SHALL WE PLAY A GAME?"] def get_alerts() -> List[str]: @@ -29,16 +57,12 @@ def get_alerts() -> List[str]: :return: the list of alerts """ rand_num = random.randint(1, 20) - if rand_num > 3: + if rand_num > 2: return [] alerts = [] for i in range(0, rand_num): - cur_alert = random.choice(ALERTS) - if cur_alert in alerts: - i -= 1 - else: - alerts.append(cur_alert) + alerts.append(random.choice(ALERTS)) return alerts @@ -92,9 +116,9 @@ class AlerterApp(cmd2.Cmd): def _preloop_hook(self) -> None: """ Start the alerter thread """ - - # This function runs after cmdloop() locks _terminal_lock, which will be locked until the prompt appears. - # Therefore it is safe to start our thread since there is no risk of it alerting before the prompt is displayed. + # This runs after cmdloop() acquires self._terminal_lock, which will be locked until the prompt appears. + # Therefore this is the best place to start the alerter thread since there is no risk of it alerting + # before the prompt is displayed. self._stop_thread = False self._alerter_thread = threading.Thread(name='alerter', target=self._alerter_thread_func) @@ -102,6 +126,9 @@ class AlerterApp(cmd2.Cmd): def _postloop_hook(self) -> None: """ Stops the alerter thread """ + + # After this function returns, cmdloop() releases self._terminal_lock which could make the alerter + # thread think the prompt is on screen. Therefore this is the best place to stop the alerter thread. self._stop_thread = True if self._alerter_thread.is_alive(): self._alerter_thread.join() |