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https://github.com/mealie-recipes/mealie.git
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4d5550ad85
* bump ruff and mypy * mypy fixes * bump and fix openapi * drop debug statement * bump extruct * bump recipes-scrapers
62 lines
2.2 KiB
Python
62 lines
2.2 KiB
Python
from collections.abc import Callable
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from random import getrandbits
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from time import sleep
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from typing import Any
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from fastapi import BackgroundTasks
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from pydantic import UUID4
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from sqlalchemy.orm import Session
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from mealie.repos.all_repositories import get_repositories
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from mealie.repos.repository_factory import AllRepositories
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from mealie.schema.server.tasks import ServerTask, ServerTaskCreate, ServerTaskNames
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class BackgroundExecutor:
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sleep_time = 60
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def __init__(self, group_id: UUID4, repos: AllRepositories, bg: BackgroundTasks) -> None:
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self.group_id = group_id
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self.repos = repos
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self.background_tasks = bg
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def dispatch(self, task_name: ServerTaskNames, func: Callable, *args: Any, **kwargs: Any) -> ServerTask:
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"""The dispatch function is a wrapper around the BackgroundTasks class in Starlett. It directly calls
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the add_task function and your task will be run in the background. This function all passes the id required
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to check on the server tasks in the database and provide updates.
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Tasks that are dispachd by the Background executor should be designed to accept this key word argument
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and update the item in the database accordingly.
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"""
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server_task = ServerTaskCreate(group_id=self.group_id, name=task_name)
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server_task = self.repos.server_tasks.create(server_task)
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self.background_tasks.add_task(func, *args, **kwargs, task_id=server_task.id, session=self.repos.session)
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return server_task
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def test_executor_func(task_id: int, session: Session) -> None:
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database = get_repositories(session)
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task = database.server_tasks.get_one(task_id)
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task.append_log("test task has started")
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task.append_log("test task sleeping for 60 seconds")
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sleep(BackgroundExecutor.sleep_time)
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task.append_log("test task has finished sleep")
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# Randomly Decide to set to failed or not
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is_fail = bool(getrandbits(1))
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if is_fail:
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task.append_log("test task has failed")
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task.set_failed()
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else:
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task.append_log("test task has succeeded")
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task.set_finished()
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database.server_tasks.update(task.id, task)
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