Celery get result. py", line 150, in wait_for raise meta['result'] celery.

Celery get result 5). For information about worker lifecycle management, see page 5. class celery. The pool type determines how tasks are executed concurrently and which workloads are best suited for each approach. - I think this is how it was actually supposed to be used. id attribute, which is the unique identifier for this specific execution of the task. To get access to the result object for a particular id you’ll have to generate an index first: index = {r. result ¶ Task results/state and groups of results. Backend Apr 10, 2025 · The maintainer of django-celery-results and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source packages you use to build your applications. (Run a worker in another terminal first: celery -A celery_app worker --loglevel=info). This document describes the current stable version of Celery (5. AsyncResult(task_id) That will get you the result of a previous task. values()} Or you can create new result objects on the fly: result = app. results. Mar 1, 2025 · celery. AsyncResult(id, backend=None, task_name=None, app=None, parent=None) [source] ¶ Query task state. exceptions. Oct 19, 2025 · Result objects (AsyncResult, GroupResult, ResultSet) for accessing stored results Task state tracking with lifecycle states and metadata Chord synchronization mechanisms for parallel workflow coordination Sources: celery/backends/base. Jun 8, 2024 · In the previous section, we set up Celery with Django using Redis and configured basic tasks. Jun 10, 2015 · Retrieve task result by id in Celery Asked 10 years, 4 months ago Modified 5 years, 5 months ago Viewed 79k times 1 day ago · A common scenario in Celery workflows is **task chaining**, where one task (let’s call it the "parent task") needs to execute another task (the "subtask") and use its result to proceed. get ()` on the subtask’s `AsyncResult` object to retrieve the result. With this, you can retrieve all task identifiers that relate to a but you cannot use the raw class celery. AsyncResult(task_id) (both will take advantage of the backend cache anyway). Each task has a unique ID. Now, we will explore the use of task results with Django Celery Results and delve into the various beat… Apr 24, 2022 · Typically I send an asynchronous task with . They contain the . result. base. backends. Return the task I'd instead of attempting to immediately get the result, and create another endpoint that returns either a pending response or the result given a task Id. py", line 120, in get interval=interval) File "*/celery/backends/amqp. For development docs, go here. If you already know the identifier of your desired task object, how to get it by id? Example: Say, you store a task identifier from celery. py", line 150, in wait_for raise meta['result'] celery. Every task class has a unique name, and this name is referenced in messages so the worker can find the right function Jun 1, 2024 · Explore celery result backends with our in-depth blog post. task(). For consumer behavior and message prefetch, see This document describes the current stable version of Celery (5. py 1-27 Backend Architecture Core Backend Interface Backend celery. In such cases, developers often call `async_result. Feb 18, 2022 · Hi, What is the generally accepted way of getting the results for all tasks in a chain? I was thinking of getting the root (first) task in the chain as follows: last_async_result = chain_() # As lo To get access to the result object for a particular id you’ll have to generate an index first: index = {r. Tasks ¶ Tasks are the building blocks of Celery applications. A task is a class that can be created out of any callable. ChordError: Dependency 97de6f3f-ea67-4517-a21c-d867c61fcb47 raised ValueError('something something',) Explanation: result_add and result_fail are AsyncResult objects. It performs dual roles in that it defines both what happens when a task is called (sends a message), and what happens when a worker receives that message. Nov 7, 2025 · Concurrency Models Relevant source files This page documents the different concurrency models (pool implementations) available in Celery workers for executing tasks. Mar 17, 2021 · How to Get a Task Result Object by ID? You may have multiple task result objects in a task queue. AsyncResult, you need to get the class from the function wrapped by app. id: r for r in gres. AsyncResult in a database along with the related task item. We will talk about the available celery backend options, their configuration and best practises to use. apply_async method of the Promise defined, and then I use the taskid on the AsyncResult method of the same object to get task status, and eventually, res File "*/celery/result. Learn more. py 1-823 celery/result. Check the Status and Get the Result Now, you can use the AsyncResult object to interact with the result backend. ResultBase [source] ¶ Base class for all results parent = None ¶ Parent result (if part of a chain) class celery. result = celery. 1. Save time, reduce risk, and improve code health, while paying the maintainer of the exact packages you use. 3. uusogy peibv hyjmyi nkejoyl lyahsqw rlrf fipwm fwkcp uqcp lqtt ttzmdfid bnf agaarc avli hkvsuc