import json
from typing import Any, Optional
class ServerSentEvent:
def __init__(
self,
event: Optional[str] = None,
data: Optional[str] = None,
id: Optional[str] = None,
retry: Optional[int] = None,
) -> None:
if not event:
event = "message"
if data is None:
data = ""
if id is None:
id = ""
self._event = event
self._data = data
self._id = id
self._retry = retry
@property
def event(self) -> str:
return self._event
@property
def data(self) -> str:
return self._data
@property
def id(self) -> str:
return self._id
@property
def retry(self) -> Optional[int]:
return self._retry
def json(self) -> Any:
return json.loads(self.data)
def __repr__(self) -> str:
pieces = [f"event={self.event!r}"]
if self.data != "":
pieces.append(f"data={self.data!r}")
if self.id != "":
pieces.append(f"id={self.id!r}")
if self.retry is not None:
pieces.append(f"retry={self.retry!r}")
return f"ServerSentEvent({', '.join(pieces)})"