InvokeAI/invokeai/app/services/events.py
2023-03-03 01:02:00 -05:00

84 lines
2.8 KiB
Python

# Copyright (c) 2022 Kyle Schouviller (https://github.com/kyle0654)
from typing import Any, Dict
class EventServiceBase:
session_event: str = "session_event"
"""Basic event bus, to have an empty stand-in when not needed"""
def dispatch(self, event_name: str, payload: Any) -> None:
pass
def __emit_session_event(self, event_name: str, payload: Dict) -> None:
self.dispatch(
event_name=EventServiceBase.session_event,
payload=dict(event=event_name, data=payload),
)
# Define events here for every event in the system.
# This will make them easier to integrate until we find a schema generator.
def emit_generator_progress(
self,
graph_execution_state_id: str,
invocation_id: str,
step: int,
percent: float,
) -> None:
"""Emitted when there is generation progress"""
self.__emit_session_event(
event_name="generator_progress",
payload=dict(
graph_execution_state_id=graph_execution_state_id,
invocation_id=invocation_id,
step=step,
percent=percent,
),
)
def emit_invocation_complete(
self, graph_execution_state_id: str, invocation_id: str, result: Dict
) -> None:
"""Emitted when an invocation has completed"""
self.__emit_session_event(
event_name="invocation_complete",
payload=dict(
graph_execution_state_id=graph_execution_state_id,
invocation_id=invocation_id,
result=result,
),
)
def emit_invocation_error(
self, graph_execution_state_id: str, invocation_id: str, error: str
) -> None:
"""Emitted when an invocation has completed"""
self.__emit_session_event(
event_name="invocation_error",
payload=dict(
graph_execution_state_id=graph_execution_state_id,
invocation_id=invocation_id,
error=error,
),
)
def emit_invocation_started(
self, graph_execution_state_id: str, invocation_id: str
) -> None:
"""Emitted when an invocation has started"""
self.__emit_session_event(
event_name="invocation_started",
payload=dict(
graph_execution_state_id=graph_execution_state_id,
invocation_id=invocation_id,
),
)
def emit_graph_execution_complete(self, graph_execution_state_id: str) -> None:
"""Emitted when a session has completed all invocations"""
self.__emit_session_event(
event_name="graph_execution_state_complete",
payload=dict(graph_execution_state_id=graph_execution_state_id),
)