InvokeAI/invokeai/app/services/invoker.py

38 lines
1.2 KiB
Python

# Copyright (c) 2022 Kyle Schouviller (https://github.com/kyle0654)
from invokeai.app.services.invocation_services import InvocationServices
class Invoker:
"""The invoker, used to execute invocations"""
services: InvocationServices
def __init__(self, services: InvocationServices):
self.services = services
self._start()
def __start_service(self, service) -> None:
# Call start() method on any services that have it
start_op = getattr(service, "start", None)
if callable(start_op):
start_op(self)
def __stop_service(self, service) -> None:
# Call stop() method on any services that have it
stop_op = getattr(service, "stop", None)
if callable(stop_op):
stop_op(self)
def _start(self) -> None:
"""Starts the invoker. This is called automatically when the invoker is created."""
for service in vars(self.services):
self.__start_service(getattr(self.services, service))
def stop(self) -> None:
"""Stops the invoker. A new invoker will have to be created to execute further."""
# First stop all services
for service in vars(self.services):
self.__stop_service(getattr(self.services, service))