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"""Error event."""
from dataclasses import dataclass
from typing import Any, Dict, Optional
from .event import Event, Eventable
_ERROR_TYPE = "error"
@dataclass
class Error(Eventable):
"""Error with text and an optional code."""
text: str
"""Human-readable error message."""
code: Optional[str] = None
"""Machine-readable error code."""
@staticmethod
def is_type(event_type: str) -> bool:
return event_type == _ERROR_TYPE
def event(self) -> Event:
data: Dict[str, Any] = {"text": self.text}
if self.code is not None:
data["code"] = self.code
return Event(type=_ERROR_TYPE, data=data)
@staticmethod
def from_event(event: Event) -> "Error":
return Error(text=event.data["text"], code=event.data.get("code"))
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