59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
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import json
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from dataclasses import dataclass, field
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from queue import Queue
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from threading import Event
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from typing import Any, Optional, Union
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from websocket import WebSocketApp
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from ._common import DEFAULT_TIMEOUT
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@dataclass
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class MopidyTask:
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"""
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A task to be executed by the Mopidy client.
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"""
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id: int
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method: str
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args: dict = field(default_factory=dict)
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response: Optional[Any] = None
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response_ready: Event = field(default_factory=Event)
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response_queue: Queue = field(default_factory=Queue)
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def to_dict(self):
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return {
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"jsonrpc": "2.0",
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"id": self.id,
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"method": self.method,
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'params': self.args,
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}
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def __str__(self):
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return json.dumps(self.to_dict())
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def send(self, ws: WebSocketApp):
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assert ws, "Websocket connection not established"
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self.response_ready.clear()
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ws.send(str(self))
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def get_response(self, timeout: Optional[float] = DEFAULT_TIMEOUT) -> Any:
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ret = self.response_queue.get(timeout=timeout)
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if isinstance(ret, dict):
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ret = ret.get('result')
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return ret
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def put_response(self, response: Union[dict, Exception]):
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self.response = response
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self.response_ready.set()
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self.response_queue.put_nowait(response)
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def wait(self, timeout: Optional[float] = DEFAULT_TIMEOUT) -> bool:
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return self.response_ready.wait(timeout=timeout)
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def run(self, ws: WebSocketApp, timeout: Optional[float] = DEFAULT_TIMEOUT):
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self.send(ws)
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return self.get_response(timeout=timeout)
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