Files
strix/strix/interface/tui/backend/live_view.py
T

137 lines
4.6 KiB
Python

"""Go-TUI event projection layered on the shared base projection."""
from __future__ import annotations
from datetime import UTC, datetime
from typing import Any
from strix.interface.tui.live_view import TuiLiveView as BaseLiveView
_MAX_LIVE_EVENTS = 10_000
class TuiLiveView(BaseLiveView):
"""Add protocol cursors and bounds on top of the shared projection state."""
def __init__(self) -> None:
super().__init__()
self._event_cursor = 0
self._event_change_cursor: dict[str, int] = {}
self._events_by_id: dict[str, dict[str, Any]] = {}
def upsert_agent( # type: ignore[override]
self,
agent_id: str,
*,
name: str | None = None,
parent_id: str | None = None,
status: str | None = None,
error_message: str | None = None,
) -> bool:
now = datetime.now(UTC).isoformat()
current = self.agents.get(agent_id)
if current is None:
current = {
"id": agent_id,
"name": name or agent_id,
"parent_id": parent_id,
"status": status or "running",
"created_at": now,
"updated_at": now,
}
if error_message:
current["error_message"] = error_message
self.agents[agent_id] = current
return True
changed = False
if name is not None and current.get("name") != name:
current["name"] = name
changed = True
if (parent_id is not None or "parent_id" not in current) and current.get(
"parent_id"
) != parent_id:
current["parent_id"] = parent_id
changed = True
if status is not None and current.get("status") != status:
current["status"] = status
changed = True
if error_message and current.get("error_message") != error_message:
current["error_message"] = error_message
changed = True
if changed:
current["updated_at"] = now
return changed
def _append_event(
self,
agent_id: str,
event_type: str,
data: dict[str, Any],
*,
timestamp: str | None = None,
) -> dict[str, Any]:
event = super()._append_event(
agent_id,
event_type,
data,
timestamp=timestamp,
)
self._events_by_id[event["id"]] = event
self._mark_event_changed(event)
if len(self.events) > _MAX_LIVE_EVENTS:
removed = self.events.pop(0)
removed_id = str(removed.get("id", ""))
self._events_by_id.pop(removed_id, None)
self._event_change_cursor.pop(removed_id, None)
self._open_assistant_event_by_agent = {
current_agent_id: current
for current_agent_id, current in self._open_assistant_event_by_agent.items()
if current is not removed
}
self._tool_event_by_agent_and_call_id = {
key: current
for key, current in self._tool_event_by_agent_and_call_id.items()
if current is not removed
}
return event
def _bump_event( # type: ignore[override]
self,
event: dict[str, Any],
*,
timestamp: str | None = None,
) -> None:
event["version"] = int(event.get("version", 0)) + 1
event["timestamp"] = timestamp or datetime.now(UTC).isoformat()
self._mark_event_changed(event)
def _mark_event_changed(self, event: dict[str, Any]) -> None:
event_id = event.get("id")
if not isinstance(event_id, str) or not event_id:
return
self._event_cursor += 1
self._event_change_cursor[event_id] = self._event_cursor
def event_snapshot(self, *, limit: int | None = None) -> tuple[int, list[dict[str, Any]]]:
events = self.events[-limit:] if limit is not None else self.events
return self._event_cursor, list(events)
def event_changes_since(self, cursor: int) -> tuple[int, list[dict[str, Any]]]:
if cursor < 0 or cursor > self._event_cursor:
raise ValueError("event cursor is outside the available history")
changed_ids = sorted(
(
(change_cursor, event_id)
for event_id, change_cursor in self._event_change_cursor.items()
if change_cursor > cursor
)
)
changed = [
self._events_by_id[event_id]
for _change_cursor, event_id in changed_ids
if event_id in self._events_by_id
]
return self._event_cursor, changed