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Owlbot/owlbot/api/lifecycle.py
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Enabled all Ruff lint rules and resolved findings with justified inline suppressions.
2026-04-13 15:31:06 -04:00

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Python

# Copyright 2026 Logan Fick
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Lifecycle hook decorators for module setup and teardown.
This module provides the module-facing API for lifecycle hooks:
- @on_setup decorator for marking setup functions
- @on_teardown decorator for marking teardown functions
- LifecycleHandler type alias
"""
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from collections.abc import Awaitable, Callable
from .context import ModuleContext
type LifecycleHandler = "Callable[[ModuleContext], Awaitable[None]]"
def on_setup(func: LifecycleHandler) -> LifecycleHandler:
"""Mark a function as a module setup hook.
The decorated function will be called during module loading with a
``ModuleContext``. Each storage operation within a setup hook
auto-commits independently.
Applied without parentheses::
@on_setup
async def setup(ctx: ModuleContext) -> None:
await ctx.storage.execute("CREATE TABLE IF NOT EXISTS ...")
:param func: The setup function to mark.
:return: The same function, with ``_owlbot_setup`` attribute set.
"""
# Framework decorator marker; private to module authors.
func._owlbot_setup = True # type: ignore[attr-defined] # noqa: SLF001
return func
def on_teardown(func: LifecycleHandler) -> LifecycleHandler:
"""Mark a function as a module teardown hook.
The decorated function will be called during module unload or bot
shutdown with the same ``ModuleContext`` from setup.
Applied without parentheses::
@on_teardown
async def teardown(ctx: ModuleContext) -> None:
ctx.logger.info("Cleaning up...")
:param func: The teardown function to mark.
:return: The same function, with ``_owlbot_teardown`` attribute set.
"""
# Framework decorator marker; private to module authors.
func._owlbot_teardown = True # type: ignore[attr-defined] # noqa: SLF001
return func