chore: remove super-state-machine dependency

pyproject.toml

@@ -26,7 +26,6 @@ dependencies = [
     "fastapi>=0.112.0",
     "uvicorn",
     "requests",
-    "super-state-machine",                           # https://github.com/DiamondLightSource/blueapi/issues/553
     "GitPython",
     "event-model==1.23.1",                           # https://github.com/DiamondLightSource/blueapi/issues/684
     "bluesky-stomp>=0.1.6",

src/blueapi/service/main.py

@@ -5,6 +5,7 @@
 from typing import Annotated
 
 import jwt
+from bluesky._vendor.super_state_machine.errors import TransitionError
 from fastapi import (
     APIRouter,
     BackgroundTasks,
@@ -28,7 +29,6 @@
 from opentelemetry.trace import get_tracer_provider
 from pydantic import ValidationError
 from starlette.responses import JSONResponse
-from super_state_machine.errors import TransitionError
 
 from blueapi.config import ApplicationConfig, OIDCConfig, Tag
 from blueapi.service import interface

src/blueapi/worker/event.py

@@ -2,10 +2,10 @@
 from enum import StrEnum
 from typing import Any, Literal, Self
 
+from bluesky._vendor.super_state_machine.extras import PropertyMachine, ProxyString
 from bluesky.run_engine import RunEngineStateMachine
 from pydantic import Field, PydanticSchemaGenerationError, TypeAdapter
 from pydantic_core import PydanticSerializationError
-from super_state_machine.extras import PropertyMachine, ProxyString
 
 from blueapi.utils import BlueapiBaseModel
 

src/blueapi/worker/task_worker.py

@@ -8,6 +8,7 @@
 from threading import Event, RLock
 from typing import Any, TypeVar
 
+from bluesky._vendor.super_state_machine.errors import TransitionError
 from bluesky.protocols import Status
 from observability_utils.tracing import (
     add_span_attributes,
@@ -20,7 +21,6 @@
 from opentelemetry.trace import SpanKind
 from pydantic import Field
 from pydantic.json_schema import SkipJsonSchema
-from super_state_machine.errors import TransitionError
 
 from blueapi.core import (
     OTLP_EXPORT_ENABLED,

tests/unit_tests/service/test_rest_api.py

@@ -6,13 +6,13 @@
 
 import jwt
 import pytest
+from bluesky._vendor.super_state_machine.errors import TransitionError
 from bluesky.protocols import Stoppable
 from fastapi import HTTPException, status
 from fastapi.testclient import TestClient
 from httpx2 import Headers
 from pydantic import BaseModel, ValidationError
 from pydantic_core import InitErrorDetails
-from super_state_machine.errors import TransitionError
 
 from blueapi.config import (
     ApplicationConfig,