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https://github.com/onyx-and-iris/obsws-python.git
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92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
import json
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import logging
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import threading
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from websocket import WebSocketConnectionClosedException, WebSocketTimeoutException
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from .baseclient import ObsClient
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from .callback import Callback
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from .error import OBSSDKError, OBSSDKTimeoutError
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from .subs import Subs
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"""
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A class to interact with obs-websocket events
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defined in official github repo
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https://github.com/obsproject/obs-websocket/blob/master/docs/generated/protocol.md#events
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"""
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logger = logging.getLogger(__name__)
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class EventClient:
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def __init__(self, **kwargs):
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self.logger = logger.getChild(self.__class__.__name__)
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defaultkwargs = {"subs": Subs.LOW_VOLUME}
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kwargs = defaultkwargs | kwargs
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self.base_client = ObsClient(**kwargs)
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try:
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success = self.base_client.authenticate()
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self.logger.info(
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f"Successfully identified {self} with the server using RPC version:{success['negotiatedRpcVersion']}"
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)
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except OBSSDKError as e:
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self.logger.error(f"{type(e).__name__}: {e}")
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raise
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self.callback = Callback()
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self.subscribe()
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc_value, exc_traceback):
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self.disconnect()
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def __repr__(self):
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return type(
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self
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).__name__ + "(host='{host}', port={port}, password='{password}', subs={subs}, timeout={timeout})".format(
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**self.base_client.__dict__,
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)
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def __str__(self):
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return type(self).__name__
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def subscribe(self):
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self.base_client.ws.settimeout(None)
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stop_event = threading.Event()
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self.worker = threading.Thread(
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target=self.trigger, daemon=True, args=(stop_event,)
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)
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self.worker.start()
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def trigger(self, stop_event):
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"""
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Continuously listen for events.
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Triggers a callback on event received.
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"""
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while not stop_event.is_set():
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try:
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if r := self.base_client.ws.recv():
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event = json.loads(r)
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self.logger.debug(f"Event received {event}")
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type_, data = (
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event["d"].get("eventType"),
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event["d"].get("eventData"),
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)
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self.callback.trigger(type_, data if data else {})
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except WebSocketTimeoutException as e:
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self.logger.exception(f"{type(e).__name__}: {e}")
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raise OBSSDKTimeoutError("Timeout while waiting for event") from e
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except WebSocketConnectionClosedException as e:
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self.logger.debug(f"{type(e).__name__} terminating the event thread")
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stop_event.set()
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def disconnect(self):
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"""stop listening for events"""
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self.base_client.ws.close()
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self.worker.join()
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unsubscribe = disconnect
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