Basic plugins support #5

Merged
skeh merged 4 commits from plugins into main 2021-04-08 01:55:48 +00:00
4 changed files with 57 additions and 27 deletions
Showing only changes of commit 9e8d05fc90 - Show all commits

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@ -2,15 +2,20 @@ from abc import ABC, abstractmethod
from multiprocessing import Process, Pipe, Queue
from aenum import Enum, auto
from traceback import format_exception
import time
class GracefulShutdownException(Exception):
pass
class LIFECYCLE_MESSAGES(Enum):
SHUTDOWN = auto()
class ChatProcess(Process, ABC):
def __init__(self):
def __init__(self, event_poll_frequency):
super().__init__()
self._event_poll_frequency = event_poll_frequency
self._message_queue = Queue()
self._pipe, self._caller_pipe = Pipe()
@ -83,22 +88,38 @@ class ChatProcess(Process, ABC):
else:
self.state = response
if self._pipe.poll(timeout):
incoming_message = self._pipe.recv()
if incoming_message['type'] == LIFECYCLE_MESSAGES.SHUTDOWN:
break
message_type = incoming_message['type']
args = {k: v for k, v in incoming_message.items() if k != 'type'}
response = self.process_messages(message_type, args, self._next_state)
if response is None:
pass
elif type(response) is tuple:
self.state, self._next_state = response
while timeout is None or timeout > 0:
if timeout is None:
period = self._event_poll_frequency
else:
self.state = response
period = min(self._event_poll_frequency, timeout)
if self._pipe.poll():
incoming_message = self._pipe.recv()
if incoming_message['type'] == LIFECYCLE_MESSAGES.SHUTDOWN:
raise GracefulShutdownException()
message_type = incoming_message['type']
args = {k: v for k, v in incoming_message.items() if k != 'type'}
response = self.process_messages(message_type, args, self._next_state)
if response is None:
continue
elif type(response) is tuple:
self.state, self._next_state = response
else:
self.state = response
if timeout is None:
timeout = 0
time.sleep(period)
if timeout is not None:
timeout -= period
if timeout is not None and timeout > 0:
time.sleep(timeout)
except GracefulShutdownException:
return 0
except Exception as e:
print(f'Failure in {self.__class__.__name__}: {e}')
print(''.join(format_exception(None, e, e.__traceback__)))
return -1
return 0

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@ -12,24 +12,32 @@ class CONTROL_MESSAGES(Enum):
START_STOP = auto()
class STATES(Enum):
PAUSED = auto()
RUNNING = auto()
class FakeChat(ChatProcess):
def __init__(self):
super().__init__()
def __init__(self, *args):
super().__init__(*args)
self._max_messages_per_chunk = 1
self._max_delay = 10
self._running = False
def process_messages(self, message_type, args, next_state):
if message_type == CONTROL_MESSAGES.START_STOP:
self._running = not self._running
text = 'Fake chat activated!' if self._running else 'Disabled fake chat'
running = not self.state == STATES.RUNNING
text = 'Fake chat activated!' if running else 'Disabled fake chat'
self._message_queue.put({
'text': text,
'author_name': 'Fake Chat', 'author_id': self.__class__.__name__, 'author_type': AUTHOR_TYPES.SYSTEM
})
return STATES.RUNNING if running else STATES.PAUSED
def loop(self, next_state):
if not self._running:
if self.state is None:
return STATES.PAUSED
elif self.state == STATES.PAUSED:
return None
while range(int(random.random() * (self._max_messages_per_chunk + 1))):

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@ -27,8 +27,8 @@ class YoutubeLiveProcess(ChatProcess):
GOOGLE_OAUTH_TOKEN_URL = 'https://accounts.google.com/o/oauth2/token'
YOUTUBE_API_URL = 'https://www.googleapis.com/youtube/v3'
def __init__(self, client_secrets):
super().__init__()
def __init__(self, client_secrets, *args):
super().__init__(*args)
self._client_secrets = client_secrets
self._state_machine = self.bind_to_states(STATES)

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@ -1,21 +1,21 @@
import json
import os
import time
from chats import YoutubeLive
from chats.ChatProcess import LIFECYCLE_MESSAGES
from chats.FakeChat import FakeChat
from ui.App import App
EVENT_POLL_FREQ = 0.1
GOOGLE_API_SECRETS_PATH = 'googleapi.secret.json'
if __name__ == '__main__':
chat_processes = [FakeChat()]
chat_processes = [FakeChat(EVENT_POLL_FREQ)]
if os.path.exists(GOOGLE_API_SECRETS_PATH):
with open(GOOGLE_API_SECRETS_PATH, 'r') as f:
client_secrets = json.load(f)['installed']
chat_processes.append(YoutubeLive.YoutubeLiveProcess(client_secrets))
chat_processes.append(YoutubeLive.YoutubeLiveProcess(client_secrets, EVENT_POLL_FREQ))
else:
print('No client secrets - disabling youtube chat client. Hit "f" to enable a testing client')
@ -37,6 +37,7 @@ if __name__ == '__main__':
'type': YoutubeLive.CONTROL_MESSAGES.OAUTH_CONSENT_TOKEN,
'token': code
})
time.sleep(EVENT_POLL_FREQ)
for process in chat_processes:
process.control_pipe.send({'type': LIFECYCLE_MESSAGES.SHUTDOWN})