56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
"""Websocket constants."""
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from __future__ import annotations
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import asyncio
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from concurrent import futures
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from functools import partial
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import json
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from typing import TYPE_CHECKING, Any, Awaitable, Callable, Dict, Final
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.json import JSONEncoder
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if TYPE_CHECKING:
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from .connection import ActiveConnection
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WebSocketCommandHandler = Callable[
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[HomeAssistant, "ActiveConnection", Dict[str, Any]], None
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]
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AsyncWebSocketCommandHandler = Callable[
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[HomeAssistant, "ActiveConnection", Dict[str, Any]], Awaitable[None]
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]
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DOMAIN: Final = "websocket_api"
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URL: Final = "/api/websocket"
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PENDING_MSG_PEAK: Final = 512
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PENDING_MSG_PEAK_TIME: Final = 5
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MAX_PENDING_MSG: Final = 2048
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ERR_ID_REUSE: Final = "id_reuse"
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ERR_INVALID_FORMAT: Final = "invalid_format"
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ERR_NOT_FOUND: Final = "not_found"
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ERR_NOT_SUPPORTED: Final = "not_supported"
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ERR_HOME_ASSISTANT_ERROR: Final = "home_assistant_error"
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ERR_UNKNOWN_COMMAND: Final = "unknown_command"
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ERR_UNKNOWN_ERROR: Final = "unknown_error"
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ERR_UNAUTHORIZED: Final = "unauthorized"
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ERR_TIMEOUT: Final = "timeout"
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ERR_TEMPLATE_ERROR: Final = "template_error"
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TYPE_RESULT: Final = "result"
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# Define the possible errors that occur when connections are cancelled.
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# Originally, this was just asyncio.CancelledError, but issue #9546 showed
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# that futures.CancelledErrors can also occur in some situations.
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CANCELLATION_ERRORS: Final = (asyncio.CancelledError, futures.CancelledError)
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# Event types
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SIGNAL_WEBSOCKET_CONNECTED: Final = "websocket_connected"
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SIGNAL_WEBSOCKET_DISCONNECTED: Final = "websocket_disconnected"
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# Data used to store the current connection list
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DATA_CONNECTIONS: Final = f"{DOMAIN}.connections"
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JSON_DUMP: Final = partial(json.dumps, cls=JSONEncoder, allow_nan=False)
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